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 23% or multiply by 0.77.

 

Item #22834 Uvarovite, Shuiskite 13.7x7.3x3.7 cm Largest Crystal Size: u-2mm, sh-10mm $120.00 Saranovskii Mine Saranovskaya, Ural Russia The top of this specimen is an exposed fracture revealing a full coating of sparkling, deep-green, dodecahedral uvarovite crystals. Between, on and in the uvarovite here and there are acicular, greyish crystals of shuiskite, a rare member of the pumpellyite group. Add some colour to your cabinet! A gorgeous specimen!	Item #22832 Spinel 4.0x3.4x3.1 cm Largest Crystal Size: 10mm $110.00 Pein-Pyit Mogok, Mandalay Malaysia A deep red-purple semi-gemmy spinel crystal is exposed in the top of this pure-white marble. What a contrast!! Very nice example.	Item #22831 Silver, Arsenides 13.8x7.2x4.1 cm Largest Crystal Size: 14mm $225.00 Coniagas Mine Cobalt Ontario, Canada Here is an extremely rich specimen of native silver showing both crystallized, first generation silver and thick clots of re-mobilized silver. The crystallized silver shows the "herringbone" style of crystallization in dolomite matrix. Cut and polished on one side and rough on the other. Excellent piece from one of the original mines of the Cobalt silver mining camp!	Item #22830 Silver, Calcite 23.0x16.5x6.2 cm Largest Crystal Size: n/a $950.00 Coniagas Mine Cobalt Ontario, Canada Here is an unusual one! This specimen is extremely large, high-grade silver ore from Cobalt. It is composed of coars white calcite with silver laced throughout it, protruding here and there as leaves and plates. Most of the silver is tarnished pitch-black but here and there the true colour of the silver is exposed. There are some arsenides present on one side but it is mostly just silver and calcite. The piece is not weathered, at all and came from active mining operations many years ago.
Item #22828 Spinel, Amphibole 12.5x3.8x3.1 cm Largest Crystal Size: 5mm $65.00 Gilgit Pakistan Lots of reddish-purple, octahedral spinel crystals are exposed in this white marble matrix, along with a green amphibole group mineral. The spinel crystals are all complete with some very sharp and others a little rounded. Nice example!	Item #22824 Mercury, Cinnabar 3.6x3.0x2.6 cm Largest Crystal Size: small $35.00 Almaden Ciudad Real, Castile-La Mancha Spain Nice crystals of cinnabar and droplets of native mercury are present in the fractures exposed in this piece.	Item #22823 Cinnabar, Mercury 6.0x5.0x3.5 cm Largest Crystal Size: small $35.00 Almaden Ciudad Real, Castile-La Mancha Spain Lots of mercury in this specimen, present as smeared blobs and droplets on calcite and quartz crystals. A couple of nice cinnabar crystals, too!	Item #22822 Cinnabar, Quartz 5.4x2.7x1.6 cm Largest Crystal Size: 5mm $35.00 Almaden Ciudad Real, Castile-La Mancha Spain This specimen shows two exposed fractures, one side with lustrous cinnabar crystals and the other showing imprints of tiny quartz crystals in the ruby-red cinnabar. Nice!
Item #22821 Mercury, Cinnabar, Baryte, Dolomite 5.8x3.3x2.9 cm Largest Crystal Size: 2mm $40.00 Almaden Ciudad Real, Castile-La Mancha Spain Droplets of liquid native mercury are scattered here and there between and on other crystals. One is adhering to a colourless baryte crystal, as you can see in the photo.	Item #22820 Mercury, Cinnabar 6.8x3.8x2.5 cm Largest Crystal Size: 1mm $40.00 Almaden Ciudad Real, Castile-La Mancha Spain A vug on one end of this specimen shows a single sharp, beautiful cinnabar crystal and lots of globules of liquid, metallic mercury. Excellent example!	Item #22819 Mercury, Cinnabar 5.5x5.0x3.5 cm Largest Crystal Size: small $40.00 Almaden Ciudad Real, Castile-La Mancha Spain Lots of droplets of mercury in openings in cinnabar and calcite. Excellent!	Item #22817 Cinnabar, Mercury 4.8x4.3x3.1 cm Largest Crystal Size: c-1-2mm $40.00 Almaden Ciudad Real, Castile-La Mancha Spain Some cavities in this piece expose sharp, cherry-red, cinnabar crystals and spherical droplets of silvery, native mercury.
Item #22816 Mercury, Cinnabar 5.0x3.1x2.0 cm Largest Crystal Size: c-2mm $35.00 Almaden Ciudad Real, Castile-La Mancha Spain A couple of seams are exposed in this cinnabar-rich matrix, exposing sharp cinnabar crystals and spherical droplets of native mercury.	Item #22815 Mercury, Cinnabar 3.9x2.4x1.1 cm Largest Crystal Size: c-3mm, m-0.5mm $40.00 Almaden Ciudad Real, Castile-La Mancha Spain This matrix of calcite and cinnabar has several openings with excellent droplets of native mercury in them. Excellent specimen of this unusual native element.	Item #22812 Cinnabar, Mercury 10.4x7.8x4.3 cm Largest Crystal Size: c-6mm, m-droplets $120.00 Almaden Ciudad Real Spain This specimen is a rich ore specimen of red cinnabar intermixed with carbonate to form a matrix. There are openings around the matrix showing gemmy cinnabar crystals and droplets of native mercury. Nice specimen from the most famous mercury location on earth!	Item #22808 Crocoite 7.4x4.8x4.7 cm Largest Crystal Size: 12mm $65.00 Red Lead Mine Dundas, Tasmania Australia There are small areas of crocoite crystals through this limonite matrix but one vug at the top of the specimen grabs your attention with lots of bright orange crocoite crystals criss-crossing across the opening. The crystals are nicely protected in the vug. Looks great!
Item #22807 Sphalerite, Galena, Quartz, Calcite 17.2x11.5x4.5 cm Largest Crystal Size: s-34mm, g-4mm $75.00 Shuikoushan Mine Hunan China This plate of sparkling, tiny, drusy quartz crystals has lustrous, orangey sphalerite crystals scattered on it. As well there are small galena crystals and some honey-coloured calcite crystals near the top. Very displayable piece of this great association!	Item #22801 Calcite, Quartz 18.0x10.5x7.5 cm Largest Crystal Size: 78mm $85.00 Droujba Mine Bulgaria A very handsome specimen showing a large scalenohedal crystal, accompanies by a number of smaller crystals on sparkling quartz crystals. The calcite may, in fact be a hollow "pseudo" or epimorph of calcite after calcite but there is no sign of it. A couple of the smaller crystal appear to be hollow at the edge of the matrix. It sure displays well!	Item #22799 Tennantite ps Enargite, Pyrite 13.8x11.1x4.0 cm Largest Crystal Size: 16mm $140.00 Julcani Mine Angarres, Huancavelica Peru A large plate of 4mm or so pyrite crystals with a central area of sharp pseudos of tennantite pseudomorphs after enargite. Some small tennatite crystals are on the pseudos. Very nice piece that displays well.	Item #22798 Magnetite 11.5x7.5x4.5 cm Largest Crystal Size: 7mm $120.00 Cerro Huanaquino Potosi Bolivia The top of this matrix is largely covered with extremely sharp lustrous, black octahedra of magnetite. One of the primo localities of the world! Displays extremely well!
Item #22797 Dawsonite, Calcite 16.0x6.0x3.6 cm Largest Crystal Size: 7mm $65.00 St. Bruno Quebec, Canada Masses of dawsonite fibers are present in fracture in this apparent limestone matrix. openings in the rock are lined with calcite rhombs. Unusual!	Item #22796 Copper, Cuprite 10.4x6.8x3.6 cm Largest Crystal Size: cop-2mm, cup-micro $110.00 Bisbee Arizona, USA Clusters of copper crystals are present between breccia fragments in this specimen. The copper is largely coated with cuprite crystals including acicular cuprite, also known as chalcotrichite. Looks great!	Item #22787 Copper 9.5x6.8x3.8 cm Largest Crystal Size: n/a $140.00 Tsumeb Namibia Wow! Richest specimen of native copper that I have seen from Tsumeb! One side of the piece is sawn to reveal the cross-sectional texture of the mineralogy. The other side is rough, exhibiting copper crystals surrounded by calcite cleavages. soem of the calcite is tinted red by cuprite or hematite. As well, some of the copper crystals are encrusted with cuprite. Extremely rich and excellent specimen!	Item #22785 Barite, Siderite, Galena 8.5x6.0x5.7 cm Largest Crystal Size: 26mm $75.00 Black Cloud Mine Leadville Colorado, USA A matrix of pyrite and galena that is largely covered by crystals of baryte, galena and siderite. A little bruising but still a nice old-time Leadville specimen!
Item #22784 Fluorite, Baryte 8.0x6.5x6.1 cm Largest Crystal Size: 7mm $85.00 Berbes Mining Area Asterias Spain A beautiful cluster of purple fluorite cubes and creamy-white blades of baryte. Amazing fluorite mining area! Amazing specimens!	Item #22782 Hematite 12.0x11.2x6.7 cm Largest Crystal Size: n/a $75.00 Egremont Cumbria England A large mass of botryoidal hematite, Just like in the old textbooks! both sides of this piece are undulating exposures of red hematite in "mammilary" habit. Extra postage, pls! :) Excellent example!	Item #22776 Fluorite 17.6x13.1x4.5 cm Largest Crystal Size: 14mm $140.00 Chenzhou Hunan China Quite a stunning fluorite specimen! It shows a wonderful middle zone of light green, gemmy fluorite crystals exhibiting, primarily, cubic faces with some small beveled edges in some of the crystals. Displays perfectly!	Item #22774 Danburite, Quartz 8.4x7.7x5.5 cm Largest Crystal Size: 50mm $110.00 Charcas San Luis Potosi Mexico A cluster of elongated, tabular danburite crystals totally covered with tiny, sparkling quartz crystals. A real display specimen and excellent for this mineral! AND from the classic locality!
Item #22773 Agerine, Microcline 10.1x5.2x5.1 cm Largest Crystal Size: Ag 21mm, Mi 30mm $40.00 Mount Malosa Zomba District, Southern Dist. Malawi This cluster of crystals features creamy-white microcline crystals, associated with aegirine crystals. Part of the back is plastered with many tiny zircon crystals. Interesting piece!	Item #22772 Albite 13.7x6.6x5.0 cm Largest Crystal Size: 18mm $75.00 Gamsberg Namibia A superb specimen of albite crystals. It is an elongated mound of creamy, very sharp crystals. Displays perfectly!	Item #22771 Corundum 13.7x9.7x3.5 cm Largest Crystal Size: 25mm $85.00 Zazafotsy Madagascar A matrix of a schisty rock loaded with pinkish corundum crystals. I guess that makes them rubies? The crystals are all short, prismatic, almost tabular with pinacoidal terminations. Looks great!	Item #22766 Mimetite 9.3x5.2x2.6 cm Largest Crystal Size: n/a $55.00 Ojuela Mine Mapimi Mexico Nice plate of radiating, sort of botryoidal groups of yellow mimetite. Classic!
Item #22764 Tetrahedrite, Quartz 14.7x7.0x5.2 cm Largest Crystal Size: 50mm $85.00 Casapalca Mine Casapalca, Huarochiri, Lima Peru A super plate of large tetrahedrite crystals encrusted with sparkling quartz crystals. The tetrahedrite crystals show tetrahedral form, modified by bevels on the corners. Great looking specimen of this mineral!	Item #22762 Malachite, ps Azurite, Calcite 3.2x1.8x2.8 cm Largest Crystal Size: 10mm $40.00 Tsumeb Namibia A sharp pseudomorph of malachite after azurite on calcite crystal matrix. The pseudomorph has a couple of areas of azurite overgrowth or residual azurite but by looking at the other crystals, the azurite is largely replaced by the malachite.	Item #22759 Scholzite, Chalcophanite 7.9x4.9x4.3 cm Largest Crystal Size: 12mm $150.00 Reaphook Hill South Australia Australia A beautiful specimen of scholzite! A long cavity across the front of the specimen reveals a lining of sparkling, colourless, acicular scholzite crystals. There are also tiny balls of what I think are chalcophanite on many of the needles. Displays very well!	Item #22758 Grossular 8.9x6.5x1.5 cm Largest Crystal Size: 7mm $120.00 Jeffrey Mine Asbestos Quebec, Canada A very nice plate of grossular crystals from this world famous locality. The crystals are sharp, gemmy, orangey coloured and show the dodecahedral crystal form. Looks great!
Item #22744 Schorl 5.2x6.2x3.0 cm Largest Crystal Size: 49mm $55.00 Kunar Province Afghanistan A cluster of pitch-black crystals of the schorl variety of tourmaline. The main crystal is extra interesting with a sort of hollow termination with some feldspar in it. Sharp-looking!	Item #22742 Lazurite 6.0x5.9x4.8 cm Largest Crystal Size: 14mm $80.00 Badkshne Afghanistan A dark blue, dodecahedral lazurite crystal is prominently exposed on the front of this pure white marble matrix. There are a number of other smaller lazurite crystals in the matrix, along with small graphite crystals. Looks great! Nice specimen of this beautiful sulphur-bearing alumino-silicate.	Item #22739 Dundasite 4.7x3.4x1.5 cm Largest Crystal Size: 0.5mm $35.00 Dundas Tasmania Australia Lots of spherules of white dundasite on this gossanous matrix. From the famous crocoite area!!	Item #22737 Crocoite 5.8x4.1x2.8 cm Largest Crystal Size: 11mm $35.00 Dundas Tasmania Australia Bright orange crystals of this unusual lead mineral from the area that produces the best! The crystals project into cavities in gossan matrix, many well terminated! Nice example!
Item #22736 Anglesite, Galena 4.4x2.3x2.2 cm Largest Crystal Size: 6mm $45.00 Freiberg Saxony Germany This specimen is mostly composed of clear, colourless anglesite crystals in numerous vugs and openings with a little relict galena here and there. Sharp crystals from a famous, old locality!	Item #22730 Siderite 6.2x4.5x3.0 cm Largest Crystal Size: 18mm $35.00 Morro Velho Mine Nova Lima, M.G. Brazil Sharp, discoidal siderite crystals and smaller similarly shaped dolomite crystals speckled with small pyrrhotite crystals make up this specimen. This old gold mine is long-closed!	Item #22726 Celestine 6.8x5.5x3.3 cm Largest Crystal Size: 32mm $75.00 Holloway Quarry Newport Michigan, USA This cluster is composed of light-blue-grey celestine crystals piled up in a pleasing manner. The crystals are fairly thin-bladed with sharp faces. Wonderful cluster!	Item #22724 Clinochlore ps Garnet 4.2x4.5x3.5 cm Largest Crystal Size: 30mm $75.00 Michigamme mine Marquette Co. Michigan, USA Here is an excellent example of this type of pseudomorph: clinochlore after garnet. The crystal form of the garnet is faithfully preserved but the crystal is now all clinochlore! Excellent!
Item #22722 Brazilianite 6.8x2.9x2.8 cm Largest Crystal Size: as above $65.00 Conselheiro Pena Minas Gerais Brazil A large brazilianite crystal from one of the most famous brazilianite localities. The crystal has very good faces on three sides but more frosted faces on the other sides where it grew in contact with other minerals. Nice termination!	Item #22721 Eosphorite, Rischerite 4.9x2.0x1.5 cm Largest Crystal Size: 3mm $40.00 Taquaral Minas Gerais Brazil One side of this quartz shard is encrusted with many sharp eosphorite crystals which have a crust of small roscherite crystals, particularly on the right side of the childrenite group. Not a common phosphate mineral!	Item #22714 Diopside 11.4x6.0x3.4 cm Largest Crystal Size: 26mm $40.00 Dog Lake Frontenac Co. Ontario, Canada A sharp crystal of light green diopside sits at one end of a piece of naturally weathered calcite. That is, the diopside was exposed by solution of the calcite by natural weak acids in the soil. Great looking piece!	Item #22713 Diopside 5.4x4.0x2.5 cm Largest Crystal Size: 25mm $35.00 Dog Lake Frontenac Co. Ontario, Canada Very nice diopside crystal well exposed, naturally, in white calcite.
Item #22709 Libethenite 4.2x4.3x2.3 cm Largest Crystal Size: 7mm $40.00 Mindola Open Pit Nkana Mine, Kitwe Zambia The top of this specimen is part of a cavity that contains two very sharp, well formed libethenite crystals. A classic locality for this mineral.	Item #22708 Casssiterite 6.9x3.6x4.4 cm Largest Crystal Size: 4mm $45.00 N. Transvaal South Africa I don't know if this is an "ore" in the sense that it came from a tin mine, since I do not have exact details of its origin. It is a very rich specimen of cassiterite mineralization!	Item #22707 Boltwoodite 3.5x2.3x1.8 cm Largest Crystal Size: 2mm $65.00 Skapkopmund Namibia A vein of boltwoodite crystals cuts through the middle of this matrix. The vein is actually composed of radiating, compact clusters of boltwoodite. Nice example!	Item #22705 Hausmannite 3.2x2.2x1.7 cm Largest Crystal Size: 8mm $35.00 Kuruman N. Cape Province South Africa Very sharp, pseudo-octahdral crystals of this tetragonal manganese oxide are perched nicely on this matrix. Very good example!
Item #22703 Aragonite 5.5x4.2x3.2 cm Largest Crystal Size: 21mm $40.00 Tazaouta Morocco Excellent cluster of twinned, pseudohexagonal aragonite crystals from this famous place.	Item #22702 Anglesite, Galena 5.1x4.0x3.9 cm Largest Crystal Size: 3mm $75.00 Touissit Morocco Really nice specimen of clear, colourless, anglesite crystals on massive galena from this famous locality. The crystals mostly cover the top of the specimen but there is another cavity in the bottom with smaller, nice crystals.	Item #22700 Aragonite, Cerussite 5.2x3.8x4.0 cm Largest Crystal Size: Ar 8mm, Ce 8mm $65.00 Touissit Morocco An interesting, different specimen from Touissit. The top of the galena matrix is covered with white, almost dipyramidal, hexagonal crystals of aragonate, probably twinned. In a couple of places on the specimen, there are sharp, twinned, colourless, gemmy crystals of cerussite. Beautiful!	Item #22698 Chalcostibite 3.9x2.9x2.2 cm Largest Crystal Size: 26mm $45.00 Rar el Anz Casablanca Morocco A number of chalcostibite crystals, some partially altered to azurite cut through calcite matrix. The crystals are solid chalcostibite inside with a rind of azurite and a little malachite.
Item #22697 Kyanite 9.5x4.9x3.1 cm Largest Crystal Size: 85mm $75.00 Barra do Salinas Minas Gerais Brazil Pretty cool sopecimen of deep blue kyanite prisms with colour variation across the width. Nicely striated with a little quartz between the crystals. Looks great!	Item #22693 Monazite-(Ce) 2.1x1.8x1.2 cm Largest Crystal Size: as above $60.00 Buenopolis Minas Gerais Brazil An interesting penetration twin of Monazite-(Ce).	Item #22690 Jacobsite 8.4x5.0x2.2 cm Largest Crystal Size: 2mm $75.00 Jacobsberg Mine Varmland Sweden One end of this piece is a zone showing many black crystals of jacobsite embedded in calcite. Many of the crystals are sharp, whole crystals, exactly what you would expect of this mineral. Type locality! R	Item #22689 Chlorargyrite 6.2x5.0x2.7 cm Largest Crystal Size: 2mm $85.00 BHP Mine Broken Hill, NSW Australia Lots of crystals of this silver chloride mineral on gossan matrix. There is one larger area at one end consisting of a network of distorted crystals of chlorargyrite with sharp crystal faces. Other cloragyrite crystals here and there. A few sharp, twined micro crystals of cerussite, as well. Classic BHP! R
Item #22685 Siegenite, Dolomite, Pyrite, Galena 7.2x5.7x3.6 cm Largest Crystal Size: s-3mm $45.00 Sweetwater Mine Ellington Missouri, USA This matrix of massive galena sports a number of crystals on the top part including sharp siegenite, dolomite and galena crystals. Also some small pyrite crystals.	Item #22684 Monazite-(Ce) 2.2x1.8x1.3 cm Largest Crystal Size: as above $60.00 Buenopolis Minas Gerais Brazil A thick, blocky twin member with a thinner member in this penetration twin of monazite. Some other smaller crystals attached. Rock Currier Label accompanies.	Item #22683 Monazite-(Ce) 1.9x1.3x1.3 cm Largest Crystal Size: as above $60.00 Buenopolis Minas Gerais Brazil Excellent, interpenetration twin composed of two sharp, bladed monazite crystals. Rock Currier Label Accompanies	Item #22682 Monazite-(Ce) 1.5x1.4x0.9 cm Largest Crystal Size: as $60.00 Buenopolis Minas Gerais Brazil A blocky, interpenetration twin of this Cerium-Rich rare earth mineral. Rock Currier Label Accompanies.
Item #22681 Monazite-(Ce) 1.6x1.1x0.6 cm Largest Crystal Size: as above $60.00 Buenopolis Minas Gerais Brazil A very nice, penetration twin of this rare-earth mineral. Rock Currier Label accompanies. Nice example!	Item #22679 Hemimorphite 3.5x3.7x2.5 cm Largest Crystal Size: 3mm $40.00 Wolftone Mine Leadville Colorado, USA Here is something we don't see very often! This piece has an open vug at the top that contains very sharp, thin-bladed, colourless, gemmy hemimorphite crystals. Nice and unusual!	Item #22678 Siegenite, Dolomite, Pyrite 6.6x6.2x3.6 cm Largest Crystal Size: 3mm $40.00 Fletcher Mine Viburnam Missouri, USA The top of this specimen is largely covered with siegenite and dolomite crystals on pyrite, which is in turn on massive dolomite/limestone matrix. The siegenite crystals are very sharp, some spinel-law twinned crystals and some untwinned.	Item #22676 Jamborite, Siderite 11.8x7.8x3.8 cm Largest Crystal Size: 3mm $75.00 Sterling Mine Antwerp New York, USA Sharp, acicular pseudomorphs of jamborite after millerite are tucked away here and there in interstices of this wide, shallow siderite crystal pocket. Classic Sterling Mine! R
Item #22664 Boleite 1.3x0.8x0.8 cm Largest Crystal Size: 2.5mm $35.00 Amelia Mine Baja Mexico A 2.5mm boleite crystal attached to a small amount of matrix, which, in turn, is affixed to, ostensibly, the original matrix by a piece of putty. The matrix is very friable! Sharp, deep-blue boleite crystal!	Item #22661 Herderite 1.7x0.8x0.7 cm Largest Crystal Size: 11mm $35.00 Xamba Mine Minas Gerais Brazil A fairly complete, white herderite crystal is perched on some mica and tourmaline crystals.	Item #22658 Cubanite, Siderite, Dolomite, Albite, Pyrrhotite 9.5x6.3x8.0 cm Largest Crystal Size: cub-5mm $325.00 Morro Velho Mine Minas Gerais Brazil An excellent specimen from this old, long closed mine. It is a cluster of siderite and dolomite crystals that is speckled with many pyrrhotite crystals and a number, at least eight or more sharp, beautiful cubanite crystals. There is also one large quartz crystal and a nice bladed white albite crystal. Excellent!	Item #22656 Mendipite 3.7x2.2x1.2 cm Largest Crystal Size: n/a $45.00 Merehead Quarry Mendip, Somerset England A solid zone of mendipite, the rare lead oxy-chloride mineral from the type locality.
Item #22655 Euxenite 1.9x1.3x0.5 cm Largest Crystal Size: as above $55.00 Ankazobe Madagascar A flattened cluster of slightly radioactive euxenite crystals. The crystals have a thin creamy alteration coating and an interior of resinous dark brown.	Item #22652 Gaudefroyite 1.9x0.7x0.5 cm Largest Crystal Size: as above $40.00 Wessels Mine Cape Province South Africa A sharp, well terminated crystal of this Ca-Mn boro-carbonate. Very nicely mounted in this perky box.	Item #22648 Arsenic 1.3x1.0x0.9 cm Largest Crystal Size: 3mm $65.00 Akadani Mine Shimo-Ajimi, Fukui-ken Japan This is a classic for native arsenic! A rounded aggregate of arsenic showing protruding fairly sharp arsenic crystals. Excellent!	Item #22647 Monazite 1.9x1.4x0.9 cm Largest Crystal Size: as above $40.00 Ambatofoksikile Madagascar A fairly sharp, red-brown monazite crystal from a different location. This location is not in mindat, perhaps because it is not a well-known location.
Item #22646 Annabergite 2.7x1.9x1.7 cm Largest Crystal Size: micro $45.00 Laurium East Attica Greece A vug in the top of this calcite matrix is lined with sharp, pointy, green annabergite crystals. Excellent example from this ancient locality!	Item #22642 Corundum, var Ruby 2.7x2.0x1.7 cm Largest Crystal Size: 9mm $40.00 Hita Island Karelia Russia A sharp, flat-terminated ruby-corundum crystal embedded in white nepheline/mica matrix. Nice example from an unusual location! Some smaller, rounded crystals also in the matrix. Nice!	Item #22632 Brewsterite 6.6x3.8x0.8 cm Largest Crystal Size: 5mm $110.00 Yellow Lake Olalla British Columbia, Canada A beautiful plate of sharp brewsterite crystals with a pinkish tinge. The re are a myriad of tiny hemispheres of a chlorite group or oxide mineral on and between the brewsterite crystals.	Item #22629 Brewsterite 5.9x4.0x4.0 cm Largest Crystal Size: 5mm $85.00 Yellow Lake Olalla British Columbia, Canada Lots of excellent crystals of this unusual barium-rich zeolite mineral. Displays well.
Item #22627 Brewsterite 6.0x4.2x3.8 cm Largest Crystal Size: 3mm $75.00 Yellow Lake Olalla British Columbia, Canada A larger plate of excellent brewsterite crystals. A really nice example of this relatively rare barium-zeolite mineral.	Item #22625 Brewsterite 8.0x5.0x5.1 cm Largest Crystal Size: 8mm $85.00 Yellow Lake Olalla British Columbia, Canada Lots of sharp crystals of this unusual barium zeolite on this matrix. The crystals are well separated on the side of the matrix making an excellent example for photography.	Item #22624 Brewsterite 4.1x3.9x1.5 cm Largest Crystal Size: 7mm $75.00 Yellow Lake Olalla British Columbia, Canada Superb. larger crystals of this relatively rare barium zeolite. This plate is an excellent example of this mineral!	Item #22621 Brewsterite 3,8x3,4x1.8 cm Largest Crystal Size: 3mm $65.00 Yellow Lake Olalla British Columbia, Canada Nice looking plate of brewsterite crystals with an elongated fold in the middle giving the piece a nice three dimensional look. Displays well.
Item #22620 Brewsterite 5.5x5.5x2.2 cm Largest Crystal Size: 4mm $65.00 Yellow Lake Olalla British Columbia, Canada A very nice plate of sharp brewsterite crystals. Excellent quality!	Item #22618 Brewsterite 6.1x4.1x1.8 cm Largest Crystal Size: 3mm $85.00 Yellow Lake Olalla British Columbia, Canada ndwell terminated. The dark material between crystals are small hemispheres of chlorite group mineral or oxide mineral. Don't know. Looks great!	Item #22617 Brewsterite 5.9x5.4x4.2 cm Largest Crystal Size: 6mm $65.00 Yellow Lake Olalla British Columbia, Canada A mound of sharp brewsterite crystals on a plate of the same. The crystals are sharp and have that characteristic slightly divergent habit, characteristic of this locality.	Item #22615 Brewsterite 5.0c3.5x1.4 cm Largest Crystal Size: 6mm $65.00 Yellow Lake Olalla British Columbia, Canada A beautiful plate of white-colourless brewsterite crystals. This is one of the two places in the world that produces excellent specimens (that I know of!). Looks great.
Item #22612 Pyrite, Sphalerite, Bournonite 10.1x6.6x3.4 cm Largest Crystal Size: p=22m, b-3mm $75.00 Huanzala Mine Huallanca, Ancash Peru A lovely cluster of very sharp, lustrous (mirror-like) pyrite crystals that is partially covered with black sphalerite crystals and sprinkled with sharp, twinned, striated bournonite crystals. Looks great!	Item #22611 Pyrite, Bournonite, Sphalerite 8.1x4.9x3.3 cm Largest Crystal Size: p-27mm, b-3mm $75.00 Huanzala Mine Huallanca, Ancash Peru A matrix of very sharp, lustrous, octahedral pyrite crystals is largely shrouded with black sphalerite crystals ad sprinkled with a few small bournonite crystals. Beautiful pyrites!	Item #22609 Bournonite, Pyrite, Sphalerite 5.4x4.7x4.4 cm Largest Crystal Size: b-9mm, p-8mm, $55.00 Huanzala Mine Huallanca, Ancash Peru This pyrite matrix is mostly covered with black sphalerite crystals with a few sharp, ultra-lustrous octahedral pyrite crystals poking through the sphalerite. Quite a few sharp, striated, twinned bournonite crystals are scattered about the sphalerite crystals.	Item #22607 Bournonite, Pyrite, Sphalerite 7.1x6.5x3.8 cm Largest Crystal Size: b-5mm $65.00 Huanzala Mine Huallanca, Ancash Peru Lots of lustrous, striated, twinned crystals of bournonite are sprinkled over this matrix of brilliantly lustrous octahedral pyrite crystals and dark brown sphalerite. Corroded galena in the matrix which no doubt is the parent mineral of the bournonite. Looks great!
Item #22605 Galena, Pyrite 4.3x4.0x2.3 cm Largest Crystal Size: g-12mm $35.00 Huanzala Mine Huallanca, Ancash Peru This part pyrite crystal has a mirror-like luster and is sprinkled with sharp galena crystals many of them twinned on the spinel law. Very good looking and instructive.	Item #22604 Bournonite, Pyrite, Sphalerite 5.9x6.0x4.0 cm Largest Crystal Size: p-8mm, b4mm $65.00 Huanzala Mine Huallanca, Ancash Peru A number of twinned, striated bournonite crystals are scattered about this cluster of VERY lustrous pyrite octahedra and associated with black sphalerite crystals. Nice!	Item #22603 Pyrite, Galena 7.2x5.0x5.4 cm Largest Crystal Size: p-44mm $75.00 Huanzala Mine Huallanca, Ancash Peru A great looking cluster of pyrite crystals with a peppering of small galena crystals in oriented overgrowth. The pyrite crystals are predominately cubs with pyritohedral stria and bevels between the cube faces. As well, there are trisoctahedral faces modifying each corner of the cube. Really displays perfectly.	Item #22601 Bournonite, Pyrite, Sphalerite 6.0x4.1x3.3 cm Largest Crystal Size: p-9mm, b4mm $65.00 Huanzala Mine Huallanca, Ancash Peru Lots of nice, striated, twinned bournonite crystals, associated with black sphalerite crystals, thickly encrust brilliantly lustered pyrite octahedra. Brilliant!
Item #22600 Pyrite, Galena, Sphalerite 6.8x5.2x4.2 cm Largest Crystal Size: p-33mm $75.00 Huanzala Mine Huallanca, Ancash Peru This cluster of pyrite crystals is mostly a cluster of two crystals showing predominately striated cube faces and tri-octahedral forms on each corner. The pyrite cube faces are partially coated with tiny octahedral galena crystals in epitactic overgrowth. There are also some sphalerite crystals to 5mm and lots of small calcite crystals on the bottom. Handsome!	Item #22594 Silver, Arsenides 12.7x10.5x4.1 cm Largest Crystal Size: n/a $340.00 Cobalt Ontario, Canada A very dens, large specimen of high-grade silver in carbonate matrix. The silver is thickly traversing the dolomite as fine dendritic silver and fine veinlets of native silver. Also arsenide mineralization between the silver veins and dendrites. Super high-grade and beautiful! Sorry, I don't know the exact mine name.	Item #22588 Silver, Arsenides 19.0x19.5x1.4 cm Largest Crystal Size: n/a $260.00 Beaver-Temiskaming Mine Cobalt Ontario, Canada Now THIS is an impressive piece! It is a thick slice that shows a high grade native silver vein section with wall-rock attached to one side. The silver in the vein is very rich dendritic and veinlet silver distributed in carbonate matrix with nickel arsenides. Extra postage required for this very heavy and large piece!	Item #22586 Silver, Arsenides 10.8x4.7x1.1 cm Largest Crystal Size: n/a $45.00 Beaver-Temiskaming Mine Cobalt Ontario, Canada Rich silver and arsenide mineralization in a vein section from this very old Cobalt area mine. The native silver is present as veinlets, dendrites and thick clots throughout the carbonate matrix. Nice!