David K. Joyce

Latest Additions

Below are the most recent additions to my specimens database. Click on any of the thumbnails to view a larger image of the specimen.

All prices in Canadian dollars. For payment in US$, deduct 24% or multiply by 0.76.

 

Item #26525 Dumortierite 4.0x2.2x1..1 cm Largest Crystal Size: 16mm $65.00 Dehasa San Diego Co. California, USA This specimen reveals a seam of radiating, lavender dumortierite crystals in quartz and mica matrix. Just like in mindat.org!	Item #26516 Bournonite, Quartz, Chalcopyrite 2.9x2.6x2.1 cm Largest Crystal Size: 18mm $375.00 Herodsfoot Mine Lanreath, Cornwall England Here is something we don't see very often! A very nice, mosaic-ly twinned bournonite crystal from one of the most famous localities in the world. As they do, this lustrous twin sits on drusy quartz crystals and the back of the crystal is coated with tiny quartz crystals. There is a single chalcopyrite crystal on the bournonite. A little abrasion on the top of the bournonite crystal but it is very nice! Classic British!	Item #26515 Dumortierite 5.7x5.4x3.4 cm Largest Crystal Size: 2mm $40.00 Alpine California, USA Much of this specimen is composed of tiny, radiating sprays of lavender, acicular crystals of dumortierite in a white matrix, that appears to be quartz.	Item #26514 Gypsum 9.8x5.8x4.4 cm Largest Crystal Size: 24mm $55.00 Grand Rapids Michigan, USA Orange, fibrous gypsum is totally covered by prismatic, colourless, crystals of gypsum. Classic old USA locality!
Item #26513 Pyrargyrite, Siderite 8.1x6.1x3.1 cm Largest Crystal Size: 2mm $160.00 Colquechaca Potosi Bolivia An extremely rich specimen of the silver sulphosalt pyrargyrite from a famous silver-producing area of the world! Most of the dark mineral that you can see is pyrargyrite with red internal reflections. The brownish mineral is siderite and there are numerous cavities lined by bladed siderite crystals and studded with dark, well formed pyrargyrite crystals. This is an "old" specimen in human terms and has an old Foote Mineral Company label affixed to it. Rich!	Item #26512 Brookite, Adularia 4.5x3.6x2.0 cm Largest Crystal Size: 2.5mm $45.00 Greisserental Uri Switzerland A number of small, thin-bladed brookite crystals scattered amongst colourless adularia crystals. A number of the brookite crystals are broken but some are very nice!	Item #26511 Willemite, Cerussite, Mimetite, Calcite 4.5x2.4x1.7 cm Largest Crystal Size: w-1mm, mim-4mm, cer-8mm $65.00 Tsumeb Otjikoto Namibia A very nice combimation specimen. The willemite is present as many, many 1mm, hexagonal, colourless prisms (fluoresce green) scattered all over the specimen. The mimetite is light yellowish bundles of slightly divergent crystals. There is one cerussite crystal, a doubly terminated, colourless, perfect, elongated, doubly terminated crystal. Interesting specimen!	Item #26510 Cassiterite 5.4x4.1x1.6 cm Largest Crystal Size: 15mm $75.00 Panasqeira Mine Panasqueira Portugal A solid plate of lustrous cassiterite crystals. The crystals are not perfect but classic, twinend, brown cassiterite from a famous locality. Very dense!
Item #26509 Rutile 3.1x2.5x2.4 cm Largest Crystal Size: as above $75.00 Graves Mountain Lincoln County Georgia, USA A well formed (on several sides), rutile crystal from one of the most famous localities. The crystal is characteristically twinned with re-entrant facial angles on on termination. Back and part of sides contacted or point of attachment. Still pretty nice rutile crystal!	Item #26508 Dolomite, Gypsum 7.0x4.6x1.5 cm Largest Crystal Size: 6mm $45.00 Teruel Aragon Spain Interesting, sharp, dark-grey to black dolomite crystals embedded in fine grained gypsum. These crystals were originally referred to as teruelite because of their distinctive nature and their locality. A famous Spanish dolomite locality.	Item #26506 Calcite, Fluorite 6.6x3.5x3.7 cm Largest Crystal Size: as above $65.00 Denton Mine Cave-In-Rock, Hardin Co. Illinois, USA A beautifully lustrous, orangey calcite scalenohedron from this famous fluorite mine. In fact, the calcite crystal has a fluorite cleavage embedded in the side of the termination as if to make the point. Very nice termination. Sweet!	Item #26505 Anatase 7.4x5.7x2.3 cm Largest Crystal Size: 3mm $40.00 Piz Prevot Switzerland A portion of an alpine cleft vug that is lined with feldspar crystals ans speckled with anatase, mica and hematatite crystals .The hematite crystals are all snapped off but there are a number of good, stepped, black anatase crystals on the piece.
Item #26500 Tinzenite 8.0x7.2x6.5 cm Largest Crystal Size: 2mm $65.00 Molinello Mine Genoa Italy This specimen is almost totally composed of bladed, radiating aggregates of yellow-orange tinzenite! In the massive tinzenite are several openings lined with bladed tinzenite crystals. Nice specimen of this unusual borosilicate mineral.	Item #26499 Adamite 5.5x3.8x2.2 cm Largest Crystal Size: micro $40.00 Kamariza Mine Lavrion, Atika Greece Cavities in this gossan matrix have rounded clusters of very blue adamite. As well, there are small crystals of a greenish mineral, as well. Ancient, interesting locality!	Item #26498 Mercury, Cinnabar, Quartz 7.5x4.5x4.5 cm Largest Crystal Size: n/a $110.00 Almaden Spain This specimen is a piece of very cinnabar-rich quartz, vein material with a large opening on the top. There are lots of mercury droplets here and there in the quartz lined opening, plus some sharp, red cinnabar crystals. Excellent native mercury specimen.	Item #26495 Adamite, var. cuprian 4.7x4.4x3.8 cm Largest Crystal Size: 1.5mm $55.00 Lavrion Greece Lots of vugs in this gossan matrix are lined with very bright green copper-rich adamite crystals and small balls of crystals of a mineral that I'll assume is austinite, although I don't really know. Beautiful!
Item #26494 Strengite 8.5x7.0x4.6 cm Largest Crystal Size: micro $45.00 Indian Mountain Cherokee County Alabama, USA This matrix has clusters of strengite exposed in iron-oxide rich seams on a large portion of its surface. An od label that accompanies the specimens says there is also laubmannite, dufresnite and Rockbridgite on the specimen. I'm not all that familiar with these phosphates, so I'll leave those up to you! :) There IS nice strengite!!	Item #26492 Chalcopyrite, Quartz, Calcite, Tennantite 7.7x6.7x6.0 cm Largest Crystal Size: ch-16mm $40.00 El Cobre Zacatecas Mexico A kind of floater aggregate of quartz crystals that is studded with black-coated chalcopyrite crystals, some of which have a tennantite overgrowth. As well, there are calcite scalenohedra on and in amongst the quartz crystals. Classic Mexican locality.	Item #26491 Marcasite, ps pyrrhotite, Sphalerite 10.3x8.0x4.1 cm Largest Crystal Size: 40mm $75.00 Trepca Kosovska, Mitrovika Kosovo A very handsome specimen showing two hexagonal-looking aggregates of oriented marcasite crystals. I interpret them as pseudos after pyrrhotite but could just be some sort of aggregate of marcasite crystals! Associated with nice crystals of sphalerite and galena. Very good specimen from a classic European locality!	Item #26488 Wulfenite 6.7x6.5x6.3 cm Largest Crystal Size: 4mm $55.00 Los Lamentos Chihuahua Mexico This specimen is a solid piece of wulfenite, totally composed of wulfenite crystals! The crystals are blocky and range in colour from brownish to a nice orangey colour. All are lustrous! Classic Mexican locality!
Item #26487 Galena, Sphalerite, Calcite 11.0x8.3x4.3 cm Largest Crystal Size: 30mm $65.00 Black Jack Mine Galena Illinois, USA This specimen shows two lustrous but partly corroded galena cubes at the back of a plate of solid sphalerite. As wel, there are a few calcite crystals scattered about. Displays well!	Item #26485 Vivianite 5.0x4.1x1.8 cm Largest Crystal Size: 6mm $50.00 Formey Lemhi County Idaho, USA This specimen is a plate of very sharp, elongated vivianite crystals from a locality famous for vivianite.	Item #26484 Polybasite, Proustite, etc. 4.7x4.0x3.1 cm Largest Crystal Size: micro $40.00 Imiter Mine Djebel Saghro, Ouarzazate Morocco A cavity in the front of this specimen has lots of prostite crystals plus some well formed hexagonal proustite crystals. Lots to look at!	Item #26480 Scorodite, Carminite, Quartz 4.7x3.1x3.8 cm Largest Crystal Size: 0.5mm $40.00 Tooele County Utah, USA A very nice vug of sparkling, peculiar-green scorodite crystals on quartz crystals. Elsewhere on the specimnen there is a coating of tiny red-brown crystals on or with the scorodite that is the carminite. Clusters of crystals of a beige unknown mineral, as well! Old type-written label accompanies it that simply states, "Old Gold Mine, Tooele Co., Utah".
Item #26479 Adamite, Conichalcite 3.8x3.8x2.8 cm Largest Crystal Size: 3mm $75.00 Tsumeb Mine Otjikoto Namibia A beautiful vug of green adamite crystals, very well formed, associated with small tufts of conichalcite or, possibly, austinite. Very photogenic! You can do better than me! :)	Item #26478 Diopside, Calcite 7.8x6.5x6.5 cm Largest Crystal Size: 54mm $75.00 Dog Lake Battersea Ontario, Canada A rather large, for the locality, diopside crystal is nicely exposed in creamy-white calcite, along with some much smaller crystals. The diopside crystals are a very pale greenish colour and associated with a few phlogopite crystals. Displays well.	Item #26477 Analcime, Fluorapatite, Spodumene 6.1x4.8x3.1 cm Largest Crystal Size: an-6mm, sp-13mm $50.00 Tanco Mine Bernic Lake Manitoba, Canada An interesting piece! This is altered pegmatite showing a cavity with sharp, white analcime crystals and run through with clear, colourless, lath-like spodumene crystals, some terminated. The red is apatite and on a couple of faces of the specimen the apatite is present as small crystals. Interesting!.	Item #26474 Spinel, Corundum 3.5x3.2x2.1 cm Largest Crystal Size: as above $45.00 Dewitt's Corners Bathurst Township Ontario, Canada Here is another interesting alteration combination. This is a warped, mis-shapen spinel crystal with each face composed of a mosaic of small, sharp, triangular spinel crystal faces. Much of the white that you can see it corundum and the spinel crystal has been partially altered to corundum in many places. Also some calcite and chlorite attached. Interesting piece!
Item #26473 Aragonite 4.1x1.0x0.8 cm Largest Crystal Size: as above $45.00 Horschenz Bilin, Bohemia Czech Republic An apparent gemmy crystal of aragonite with an odd shape. Apparently the crystal shape is due to a particular contact twin law. Classic!	Item #26472 Linarite, Quartz, Malachite 4.1x3.3x2.4 cm Largest Crystal Size: 2mm $40.00 Blanchard Mine Bingham, Socorro County New Mexico, USA This vuggy quartz matrix has open areas lined with quartz crystals that have deep-blue, gemmy, linarite crystals on them there and there. As well, there are tufts of green malachite scattered about. Nice specimen of these copper minerals!	Item #26471 Titanite 4.0x3.3x1.4 cm Largest Crystal Size: as above $40.00 Miller Property Eganville Ontario, Canada A fairly sharp, wedge-shaped dark brown titanite crystal from this modern-day classic locality. Better in person than in the photo! Looks good!	Item #26470 Baryte 7.0x5.0x3.8 cm Largest Crystal Size: 27mm $75.00 Rock Candy Mine Grand Forks British Columbia, USA A number of fairly good yellow-golden, thick, tabular baryte crystals are present on a matrix of gren fluorite, none of which is present from the display side of the specimen. The crystals are in good shape with only a little bruising.
Item #26468 Schorl, muscovite 5.9x1.9x1.6 cm Largest Crystal Size: as above $35.00 Villeneuve Mine Val des Bois Quebec, Canada As much a geological as mineralogical specimen! This former tourmaline crystal is largely altered to muscovite, although some of the schorl pokes out here and there. It is triangular in cross section. This sort of alteration is often seen in pegmatite deposits.	Item #26467 Diopside 3.8x3.3x1.7 cm Largest Crystal Size: 24mm $35.00 Matilda Lake Quebec, Canada Several, almmost parallel, long prismatic, diopside crystals with diopside matrix. Unusual location.	Item #26466 Fluoro-richterite 4.8x5.0x3.4 cm Largest Crystal Size: 34mm $40.00 Earl Farm Wilberforce, Haliburton County Canada A well formed, doubly terminated fluoro-richterite crystal is perfectly exposed on this matrix of calcite and lesser fluoro-richterite crystals. Very nice specimen of this amphibole mineral!	Item #26465 Forsterite, Spinel, Phlogopite 7.2x4.3x3.0 cm Largest Crystal Size: 25mm $85.00 Parker Mine Notre Dame du Laus Quebec, Canada A large forsterite crystals is precariously suspended above a matrix of smaller tabular forsterite crystals, plus some small spinel and phlogopite crystals. The forsterite is the star of the specimen! Looks great!
Item #26463 Titanite, Adularia 3.5x3.3x1.1 cm Largest Crystal Size: ti-10mm, ad-12mm $45.00 St. Gotthard Switzerland The matrix for this specimen is a cluster of white adulari crystals with a little light green chlorite on them. There is a beautiful, twinned, light brown, crystal of titanite on one side of the piece. There are other titanite crystals but some are fractured or broken. The star crystal, however is superb! It is not greenish like in the close-up photo but brownish.	Item #26460 Anorthoclase 4.8x1.8x1.6 cm Largest Crystal Size: as above $45.00 Mount Kilimanjaro Tanzania Here is an interesting one! Apparently, these feldspar crystals are found in beds of volcanic ash from Mt. Kilimanjaro. I don't know much about the genesis but it sounds like they were ejected out of the volcano! Very interesting.	Item #26459 Sulphur 3.0x2.5x2.0 cm Largest Crystal Size: as above $55.00 Scofield Quarry Maybee Michigan, USA Here is a sharp, complex crystal of sulphur from a USA locality. Very sharp faces!	Item #26458 Rhodochrosite 5.7x5.3x3.0 cm Largest Crystal Size: 3mm $55.00 Uchucchacua Mine Oyon, Lima Peru A number of pink, sharp rhodochrosite crystals are sprinkled, mostly, on the front of this manganese oxides matrix.
Item #26457 Azurite, Dioptase, malachite 6.3x3.7x3.0 cm Largest Crystal Size: az-10mm, diop-1mm, $140.00 Tsumeb Mine Otjikoto Namibia This specimen has a number of elongated azurite crystals, all terminated and very dark blue. A couple ore partially altered to malachite. As well, the top of the piece is largely covered with tiny, emerald-green dioptase crystals and tiny needle-like malachite crystals. Nice!	Item #26456 Pyromorphite, Quartz 3.7x3.0x3.6 cm Largest Crystal Size: 1mm $40.00 Susanna Mine Leadhills Scotland Corroded quartz matrix with many cavities containing pyromorphite crystals. The crystals are fairly acicular and range in colour from yellow to bright green. from an old classic locality.	Item #26454 Spodumene 8.4x4.9x2.2 cm Largest Crystal Size: as above $55.00 Emmons Quarry Greenwood Maine, USA A crystal section of a pinkish spodumene crystal. Famous old locality!!	Item #26453 Molybdite, Quartz, Molybdenite 3.9x3.8x3.0 cm Largest Crystal Size: micro $65.00 Ferero Auro Mine Bolivia Lots of tiny, acicular, yellow crystals of this molybdenum oxide mineral between much bigger iron tinted quartz crystals. A clump of molybdenite at the base of the crystals.
Item #26452 Millerite 3.7x2.7x2.5 cm Largest Crystal Size: 23mm $65.00 Mubilikwe Hill Pafuri Dist., Transvaal South Africa A wonderful spray of millerite crystals embedded in a creamy-white carbonate, probably calcite or dolomite. The millerite crystals are tightly packed and have some annabergite tinting on them and in the carbonate. Classic!	Item #26451 Rhodochrosite, Fluorite 4.5x3.7x3.3 cm Largest Crystal Size: 6mm $75.00 Uchucchacua Mine Lima Peru A vug in manganese oxides matrix has lots of gemmy pink-red rhodocrosite crystals in is. As well, there are complex, rounded colourless, gemmy fluorite crystals, as well!	Item #26446 Millerite, Quartz 2.8x3.1x1.2 cm Largest Crystal Size: 10mm $40.00 Hall's Gap Kentucky, USA A wonderful quartz-lined geode that contains a wonderful swirling, curling array of acicular millerite crystals. How DO they form like that!?	Item #26445 Fluor-buergerite 3.6x3.0x2.1 cm Largest Crystal Size: 9mm $65.00 San Luis Potosi Mexico Very sharp crystals of this relatively rare tourmaline group member seem to be embedded in red, common opal on volcanic matrix. The crystals are dark brown and have very sharp faces. Excellent example!
Item #26439 Uranophane 3.4x2.7x1.6 cm Largest Crystal Size: 6mm $55.00 Faraday Mine, (Madawaska Mine) Hastings Co. Ontario, Canada A divergent group of very fine, acicular uranophane crystals formed in a thin seam in this matrix and is now nicely exposed. Nice locality piece.	Item #26437 Uraninite 0.75x0.6x0.6 cm Largest Crystal Size: 7.5mm $75.00 Cardiff Uranium Mine Wilberforce, Haliburton County Ontario, Canada A very sharp cube of uraninite with octahedral modifications on some corners. Some of the faces have purple fluorite smeared on them.	Item #26434 Uranophane 3.8x3.6x3.6 cm Largest Crystal Size: 6mm $65.00 Faraday Mine, (Madawaska Mine) Hastings Co. Ontario, Canada Two beautiful sprays of acicular uranophane crystals are well protected in a vug in this matrix. A couple of other nice sprays in adjacent vugs. Very good specimen!	Item #26433 Uranophane 4.3x3.5x2.2 cm Largest Crystal Size: 2mm $35.00 Faraday Mine, (Madawaska Mine) Hastings Co. Ontario, Canada A nice 2mm spray of yellow, acicular uranophane crystals in this quartz-goethite vug. Nice locality piece.
Item #26432 Thorite 3.1x2.2x1.8 cm Largest Crystal Size: 1.8 $65.00 Kemp Prospect Haliburton County Ontario, Canada A fairly sharp, incomplete thorite crystal in a cluster with some other more rounded crystals. The big, well formed crystal has a large contact area on one side. Radioactive.	Item #26431 Uranophane 3.6x2.8x2.0 cm Largest Crystal Size: 3mm $35.00 Faraday Mine, (Madawaska Mine) Hastings Co. Ontario, Canada A small vug in this altered pegmatite matrix contains a spray of acicular, yellow uranophane crystals. Nice!	Item #26428 Uranophane 3.6x3.3x2.2 cm Largest Crystal Size: 7mm $65.00 Faraday Uranium Mine Hastings Co. Ontario, Canada This specimen has two vugs. One has a larger spray of very fine, almost fibrous uranophane crystals matted together. The other vug has thicker needles of very yellow uranophane in individual needles. Interesting!	Item #26427 Uranophane 2.7x2.1x1.7 cm Largest Crystal Size: 3mm $40.00 Faraday Mine Hastings Co. Ontario, Canada This specimen has a small vug with a radiating spray of yellow uranophane crystals in it. Nice locality piece from this long-closed uranium mine.
Item #26426 Uranophane 3.4x3.0x2.1 cm Largest Crystal Size: 3mm $35.00 Faraday Mine, (Madawaska Mine) Hastings Co. Ontario, Canada A spray of bright yellow uranophane crystals it present in a vug in altered pegmatite matrix.	Item #26425 Uranophane 4.2x2.8x3.1 cm Largest Crystal Size: 3mm $35.00 Faraday Mine, (Madawaska Mine) Hastings Co. Ontario, Canada Sprays of yellow uranophane are present in quartz and goethite lined vugs. A good locality piece.	Item #26422 Corundum 3.3x2.4x1.9 cm Largest Crystal Size: 33mm $45.00 Burgess Cuts Hastings Co. Ontario, Canada A 33mm singly terminated corundum crystal is well exposed in feldspar and muscovite matrix. Sawn on back and bottom. Often, crystals from the Burgess cuts are not as well formed as this one. Nice!	Item #26421 Fluorite 10.6x6.7x6.0 cm Largest Crystal Size: as above $140.00 Rogers Mine Madoc Ontario, Canada A large, very gemmy half of a cube octahedral crystal of fluorite from this old fluorite mining area. The crystal is a light green with small areas of more intensive green apparent. Good looking specimen! The Madoc Fluorite mines stopped operating about 70 years ago. Hard to believe!
Item #26419 Fluorite 5.5x3.5x3.9 cm Largest Crystal Size: as above $55.00 Rogers Mine Madoc Ontario, Canada A very gemmy, light green, cube of fluorite with octahedral modifications. Old timer!	Item #26412 Manganite 8.0x5.7x6.0 cm Largest Crystal Size: 8mm $85.00 Caland Mine Atikokan Ontario, Canada A vug lined with brilliant, black, bladed manganite crystals cut through the middle of this matrix of manganite and siliceous iron oxides. Very nice looking piece!	Item #26411 Fluorite, Baryte 3.8x2.9x2.9 cm Largest Crystal Size: 12mm $35.00 Rogers Mine Madoc Ontario, Canada A 12 mm colourless, gemmy fluorite crystals site well exposed in the middle of this opening in baryte, with a number of smaller similar crystals behind and around it.	Item #26409 Manganite, Quartz 4.4x3.0x2.8 cm Largest Crystal Size: 7mm $45.00 Caland Mine Atikokan Ontario, Canada A very nice vug of lustrous manganite and quartz crystals in silicified hematite and manganite matrix. The manganite crystals are pitch-black, highly lustrous, well terminated crystals. Looks good!
Item #26404 Aegirine 5.0x1.4x0.7 cm Largest Crystal Size: as above $35.00 Mont Saint-Hilaire Quebec, Canada A simple, well terminated, striated, pitch-black aegirine crystal from this famous alkaline intrusive.	Item #26403 Cerussite 3.3x2.2x1.2 cm Largest Crystal Size: as above $55.00 Tsumeb Mine Otjikoto Namibia A beautiful twinned crystal with one prominent, very sharp member. Very nice example from this world famous locality!	Item #26401 Cerussite 6.1x3.9x2.9 cm Largest Crystal Size: 13mm $140.00 Tsumeb Otjikoto Namibia This specimen is mostly cerussite and the front of the matrix is part of an open cavity. The front of the specimen is covered with twinned, colourless, gemmy cerussite crystals. They are all nice but one in particular stands out as a classic, "trilling" of beautiful cerussite crystals. If there was more room, where it formed it would be a sixling! Anyway it is a treat for the eyes!	Item #26398 Safflorite, Dyscrasite 9.7x4.8x4.5 cm Largest Crystal Size: s-1mm $260.00 Hartenstein Erzgebirge, Saxony Germany This is an interesting piece. The base is some sort of sericite schist(looks like), with a thick, 1cm+ layer of porous, black, sectile dyscrasite on the base. The top of the dyscrasite is largely covered with individual crystals, balls or blankets of silvery safflorite in different areas of the dyscrasite. A rich piece with interesting mineralogy. Has a hand written label stating "Safflorit xl mit Dyskrasit, Hartenstein". Nice one from a classic old locality!!
Item #26396 Chalcocite, Pyrite 4.7x3.2x2.8 cm Largest Crystal Size: 4mm $85.00 Tsumeb Otjikoto Namibia This specimen is mostly sulphides with a matrix that is massive tennantite or chaococite. There are openings over much of the front and side of the specimen that are lined with very sharp, excellent chalcoicite crystals with are slightly encrusted with pyrite around their bases. Excellent chalcocite crystals!	Item #26394 Klebelsbergite, Sulphure, Stibnite 6.9x4.7x2.6 cm Largest Crystal Size: micro $65.00 Pereta Mine Grosetto, Tuscany Italy This specimen is predominately stibnitre crystal sections with openings between the stibnite crystals and, also, the matrix. In these openings are lots of yellow, gemmy crystals of native sulphure. As well, often there are whitish sprays of acicular klebelsbergite crystals. Excellent!	Item #26393 Catapleiite, Ancylite 4.6x3.9x4.0 cm Largest Crystal Size: 12mm $65.00 Mont Saint-Hilaire Quebec, Canada A sharp, composite crystal of catapleiite lays against calcite and aegirine crystals on a matrix of analciome and microcline. There is also a cluster of greenish ancylite crystals. The catapleiite is about 2/3 of a crystal. Rare mineral!!	Item #26391 Smithsonite, Willemite 7.5x6.8x3,4 cm Largest Crystal Size: sm-8mm, w-3mm $260.00 Tsumeb Mine Otjikoto Namibia THIS is a really nice specimen!! Two in one really. One side is a concave plate of well formed rhombohedral smithsonite crystals with perhaps a slight yellow tint. The other side of the piece which is mostly smithsonite shows a convex mound of smithsonite crystals harly noticeable under a covering of sharp, colourless willemite crystals and tiny brown pyritohedra. I am assuming the brown pyritohedra are pseudos of goethite after pyrite. The willemite crystals are fluorescent. I have a close-up of the willemite crystals if you would like to see it. Just ask! Great looking specimen from top and bottom!
Item #26390 Cuprite, Calcite 3.4x3.0x2.7 cm Largest Crystal Size: 5mm $65.00 Tsumeb Mine Otjikoto Namibia There are a number of very nice, deep-red, octahedra of cuprite on this matrix, associated with calcite crystals, the bigger ones tinted red by hematite. Nice!	Item #26386 Fluorite 8.7x6.8x4.8 cm Largest Crystal Size: 39mm $85.00 X'lang Hua Ling Mine Hunan China A cluster of octahedral crystals of fluorite that have a slightly bulging, habit. The crystals are predominately green with light purple zones. Nice cluster!!	Item #26385 Rutile, Quartz 8.8x8.8x2.7 cm Largest Crystal Size: as above $95.00 Minas Gerais Brazil This is an odd mineral specimen. It is a portion of a large, smoky quartz crystal that has been sawn off, roughly parallel to the large face in the photo. The specimen is interesting since it is laced through with hair-like, golden rutile crystals, some up to several cm long. Beautiful as a mineral specimen or as lapidary material!	Item #26384 Beryl 12.5x7.3x6.3 cm Largest Crystal Size: 50mm $120.00 Maine, USA A cluster of three, light bluish beryl crystals are well exposed in glassy, slightly iron-stained matrix. Sorry don't know what the exact locality is! :( Maine is famous for such beryl specimens, however. Impressive!
Item #26383 Fluorite 11.0x8.4x7.5 cm Largest Crystal Size: 99mm !! $325.00 Weardale England THAT's not a fluorite crystal, THIS is a fluorite crystal!! A monster fluorite crystal from one of the most famous fluorite crystal producing areas of the world. This specimen is, actually just one big light purple fluorite crystal. it is more purple towards the edges and lighter with iron staining in the larger, middle portions of the crystal. The lustre is dullish. It IS big, though!! Very impressive display piece.	Item #26382 Quartz, var. Chalcedony 14.5x10.0x10.0 cm Largest Crystal Size: n/a $140.00 Pune India THIS is a handsome specimen! It is a complex ,mound of bluish chalcedony on silicified basalt matrix. The chalcdony has a nice lustre and an opalescent sort of look. Displays very well!	Item #26381 Calcite 11.7x7.6x5.5 cm Largest Crystal Size: 9mm $45.00 Flemingsburg Quarry Flemmingsburg Kentucky, USA The vig in this limestone matrix is lined with highly lustrous, modified rhombohedra of white calcite. Looks great!	Item #26378 Titanite, Microcline, Amphibole 7.1x6.5x4.5 cm Largest Crystal Size: titan-30mm, mic-45m $140.00 Miller Property Eganville Ontario, Canada This specimen is a termination of a microcline crystal that has a "cockscomb" of titanite crystals across the top of it. as well, there is a very nice amphibole crystal on the left side of the piece just below the titanite crystals. The base of the specimen is actually a perfectly flat cleavage plane of the microcline that enables the specimen to sit perfectly.
Item #26377 Almandine, Chlorite 8.0x6.2x5.0 cm Largest Crystal Size: 54mm $65.00 Stall Lake Mine Snow Lake Manitoba, Canada A couple of dodecahedral almandine crystals are well exposed in chlorite schist. The crystal on the lft is largely complete while the one on the left is missing a little on the right side. Still, an impressive and interesting piece from this famous old base metals mining camp.	Item #26375 Titanite 5.4x4.8x3.8 cm Largest Crystal Size: 44mm $55.00 Drury Farm Highland Grove, Hastings County Ontario, Canada This may noit be the most beautiful specimen but it is a well formed titanite on rusty, kaolinized matrix from an unusual locality.	Item #26374 Katophorite 5.8x2.2x1.8 cm Largest Crystal Size: as above $55.00 Bear Lake Diggings Haliburton Co. Ontario, Canada This is a very nice twinned crystal of this unusual amphibole group mineral. It shows notches on the termination which are re-entrant angles. As well, there are lines on two opposite sides of the crystal which delineate the twin plane and boundary between the two twin members. Nice example!	Item #26372 Almandine, Chlorite 7.6x6.0x3.7 cm Largest Crystal Size: 45mm $65.00 Stall Lake Mine Snow Lake Ontario, Canada A couple of incomplete, deep-red almandine crystals squished together. These crystals were found in a chlorite schist and chlorite is present in a number of places around and between the crystals. Displays very well!
Item #26371 Katophorite 9.0x4.7x3.0 cm Largest Crystal Size: as above $85.00 Bear Lake Diggings Haliburton Co. Ontario, Canada A very nice twinned crystal of this unusual amphibole mineral. When you look at the photos, you can see notching ont he termination which are re-entrant angles of the twinned crystal. As well, you can see a line down the length of opposite sides which designated the twin plane in this crystal. Excellent!	Item #26370 Corundum, Phlogopite 5.1x5.0x3.3 cm Largest Crystal Size: 40mm $65.00 Craigmont Mine Renfrew County Ontario, Canada This specimen shows two corundum crystals at almost 90 degrees to each other, with a phlogopite crystal between them. Behind the phlogopite are to smaller corundum crystals that enable the specimen to sit perfectly for display! Hard to believe that this was "high grade" ore for what was once the larges corundum mine in the British Commonwealth many years ago!	Item #26368 Hemimorphite 5.0x4.0x2.7 cm Largest Crystal Size: micro $40.00 Paglio Pignolino Mine Bergamo, Lombardy Italy Here is an interesting and unusual specimen(for me!). A vug lined with colourless, sharp, hemimorphite crystals. I see no other minerals other than the hemimorphite. Nice!	Item #26367 Spinel 4.6x2.5x2.0 cm Largest Crystal Size: 6mm $40.00 Myan Gyi Mine Mogok Myanmar This plate of malformed, colourless diopside crystals is speckled with deep red-pink spinel crystals showing sharp, octahedral outline. Also some pyrite crystals embedded in the diopside. Nice example from this gem=producing area of the world.
Item #26366 Titanite 4.3x3.1x2.1 cm Largest Crystal Size: 2mm $40.00 Valle Aurina Trentino-Alto Italy This specimen is a plate of sharp, gemmy, beigy titanite crystals, on chlorite from and "alpine cleft". Nice example!	Item #26364 Hematite 3.3x2.7x1.7 cm Largest Crystal Size: as above $110.00 St. Gottard Switzerland A beautiful, well formed cluster of hematite crystals from this famous hematite crystal producing region. The crystals are formed into a flattened "Eisenrosen" or "Iron Rose". Classic Alpine mineral specimen.	Item #26363 Calcite 6.6x5.4x2.7 cm Largest Crystal Size: 24mm $75.00 Minerva #1 Mine Cave-In-Rock, Hardin Co. Illinois, USA A great looking cluster of calcite crystals, mostly radiating from a central point. The crystals have a white coating which makes the crystals stand out well. Nice specimen from this long-closed fluorite mine.	Item #26361 Aragonite 3.6x3.3x2.4 cm Largest Crystal Size: 34mm $65.00 Lake Asbestos Mine Thetford Mines Quebec, Canada A nice spray of white, elongated aragonite crystals on a yellowish-beige matrix. One of the less common minerals from the Asbestos producing region, of which all mines are now closed.
Item #26360 Epidote, Quartz 3.7x3.7x2.3 cm Largest Crystal Size: qu-16mm, ep-7mm $40.00 Marmoraton Iron Mine Marmora Ontario, Canada A fairly well-formed quartz crystal is perched ever so nicely on this vertical plate of sharp, dark-green epidote crystals. The Marmoraton Mine was an iron mine on a giant skarn zone and epidote was a common mineral, although not often well crystallized! This specimen looks great too!	Item #26359 Galena, Fluorite 5.5x4.8x cm Largest Crystal Size: 32mm $45.00 Ladywash Mine Eyam, Derbyshire England This matrix of mostly, colourless fluorite has two rough but good octahedral outline galena crystals embedded in it. The galena is coated by a white alteration, possibly anglesite or cerussite which fluoresces a yellow colour.	Item #26356 Titanite 3.7x3.0x1.8 cm Largest Crystal Size: 30mm $40.00 Tory Hill Haliburton County Ontario, Canada A razor-sharp, dark brown, wedge-shaped crystal of titanium silicate-titanite. Nice example of this mineral from the Grenville Geological Province.	Item #26354 Brochantite 6.8x3.0x2.5 cm Largest Crystal Size: 4mm $75.00 Tsumeb Otjikoto Namibia Sprays of emerald-green brochantite are present in drusy quartz-lined cavities in massive quartz, in this specimen. Beautiful contrast! As well, there are smaller balls of acicular crystals that look sort of olivenite-ish. Sorry, I don't know what they are. The old label says malachite but I don't think so.
Item #26351 Tremolite 7.5x5.2x3.7 cm Largest Crystal Size: 40mm $55.00 Jeffrey Mine Asbestos Quebec, Canada White fibrous tremolite from a location better known for fibrous chrysotile. Excellent example of how fibrous tremolite can get!	Item #26346 Copper 11.0x9.7x1.3 cm Largest Crystal Size: n/a $40.00 White Pine Mine Ontonagan County Michigan, USA A thick plate of native copper with some zeolite and/ore calcite attached to the back. A little on the front, too!	Item #26345 Copper 9.8x8.5x1.4 cm Largest Crystal Size: n/a $55.00 White Pine Mine Ontonagan County Michigan, USA This specimen is a large sheet of native copper attached to pitch black shale host rock. As well there is a second sheet of copper passig through the middle of the shale. Nice geological as well as mineralogical specimen!	Item #26344 Copper 13.6x9.5x0.6 cm Largest Crystal Size: n/a $40.00 White Pine Mine Ontonagan County Michigan, USA This specimen is a 2mm thick sheet of native copper with little bits of shale rock matrix attached to it. A nice example of this form of native copper!