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 20% or multiply by 0.8.

 

Item #22307 Smithsonite 12.4x9.9x7.6 cm Largest Crystal Size: 3mm $150.00 Tsumeb Namibia A great looking specimen of one of the most famous minerals from this well known base metal and specimen producing mine! The crystals are stubby scalenohedra with a light off-green colour. Displays well.	Item #22306 Fluorite, Quartz, Muscovite 15.5x11.1x7.9 cm Largest Crystal Size: Fl 34mm $85.00 Yaogangxian Mine Ghizou, Hunan China A larger specimen showing light bluish fluorite crystals on a matrix covered with bladed muscovite crystals and some gemmy, prismatic, quartz crystals. What a mine!	Item #22302 Calcite 10.1x8.9x7.4 cm Largest Crystal Size: 25mm $65.00 Ruck's Pit Okee Chobee Co. Florida, USA This specimen is actually part of a void caused by a fossilized shell cast. The cast has soe excellent calcite crystals lining one side of it. These specimens came out 10 years or so ago but we don't seem to see any newer ones, anymore. Very interesting and beautiful	Item #22301 Celestine 8.6x6.9x4.5 cm Largest Crystal Size: 22mm $85.00 South Rockwood Michigan, USA This specimen is a block of limestone with a wide, calcite crystal-lined vug across the front of it. There is a textbook, light blue, blocky, celestine crystal(actually, two intergrown crystals) on one side of the calcite vug. Looks great! Michigan/USA classic!
Item #22300 Baryte 10.3x7.4x5.9 cm Largest Crystal Size: 8mm $85.00 Northumberland Mine Nye Co. Nevada, USA Nice specimen from this worked out locality. The main cavity is on top and contains many sharp, gemmy, baryte crystals. There are other openings as well. Looks great!	Item #22299 Strontianite, Calcite, Celestine 12.0x9.0x9.0 cm Largest Crystal Size: 8mm sphere $75.00 Danville Kentucky, USA A very interesting specimen showing a block of limestone that has a large, mineralized vug in it. The vug is lined with calcite crystals associated with white balls of strontianite and frosted, prismatic crystals of celestine. Looks great!	Item #22298 Fluorite, Baryte 13.2x4.9x4.0 cm Largest Crystal Size: 8mm $140.00 Caldwell Quarry Danville Kentucky, USA Very nice, elongated plate of fluorite crystals on white, "crested" baryte. The fluorite crystals show a lighter purple interior with darker outer zone. Displays very well.	Item #22297 Borax 12.0x8.1x5.9 cm Largest Crystal Size: 23mm $160.00 Boron California, USA Pretty cool plate of borax crystals from, perhaps, the most famous borax producing locality in the world(?). The crystals are chalky-white and very sharp. Classic!
Item #22296 Copper, Silver 9.6x9.2x7.3 cm Largest Crystal Size: n/a $225.00 Houghton Co. Michigan, USA This is a very large specimen of native copper, studded with globs of native silver. The copper is partially embedded in basalt andhas some good crystal faces. You have to look carefully at the pictures to see the large grey areas of silver different than the copper and basalt. Looks like it went through a crusher! Rich!	Item #22290 Bournonite, Pyrite, Quartz 9.6x8.2x3.3 cm Largest Crystal Size: Bo 5mm, Py 10mm, Qu 1mm $120.00 Quiruvilca Mine Santiago de Chuco, La Libertad Lima Lots of small bournonite crystals are present on this specimen along with pyrite and quartz crystals. Displays well. Too bad this great mine is now closed.	Item #22289 Sphalerite, Quartz 17.4x10.0x5.1 cm Largest Crystal Size: 20mm $95.00 Huaron Mine Pasco Peru A large, showy specimen of sphalerite and quartz crystals from this famous mine. Rich!	Item #22285 Smithsonite, Hemimorphite 8.4x8.5x8.6 cm Largest Crystal Size: He 7mm, Sm 10mm (spheres) $75.00 San Antonio El Grande San Antonio Chihuahua, Mexico Aggregates of colourless hemimorphite crystals associated with light blue, botryoidal smithsonite. Great looking specimen!
Item #22281 Dravite, Tremolite 5.5x5.5x2.4 cm Largest Crystal Size: Dr 40mm, Tr 8mm $65.00 Bancroft Ontario, Canada I obtained this specimen years ago from an old collection. It shows a large crystal of tremolite associated with pitch-black crystals of dravite. It is not from Tait Farm but one of the smaller, obscure locations just south of Bancroft. Old label accompanies it.	Item #22280 Corundum 5.4x2.4x1.8 cm Largest Crystal Size: as above $75.00 Highland Grove Ontario, Canada This relatively sharp, terminated crystal is actually blue but partially covered by a black mica. It was collected in the deposit just north of Highland Grove , years ago. Someone built a home next to it and collecting ended. Nice!	Item #22279 Quartz, Microcline Amphibole 8.9x5.5x4.9 cm Largest Crystal Size: Qu 16mm, Mi 15mm $65.00 Bear Lake Diggings nr. Gooderham Ontario, Canada An old specimen from this now-closed location. It is not from the big vein-dykes but one of the associated small weathered calcite vein-dykes. The feldspars are very sharp and the quartz crystals well above average for this area. Great looking piece!	Item #22278 Aegirine 6.6x5.5x3.2 cm Largest Crystal Size: 13mm $65.00 French River Bigwood Township Ontario, Canada Dark green, acicular ps of crystals in/on cavities in altered feldspar. Striking, nice example from this unusual occurrence.
Item #22277 Fluorapatite 8.7x6.0x6.4 cm Largest Crystal Size: as above $75.00 Fortin & Gravelle Mine Gatineau Park Quebec, Canada A very large, well-formed termination of fluorapatite from this unusual location. Shows well!	Item #22276 Seybold Mine 5.6x5.3x2.8 cm Largest Crystal Size: 37mm $35.00 Cantley Outaouais Quebec, Canada A well formed crystal of fluorapatite with a peculiar greenish colouration embedded in pinkish calcite. The crystals from this area of the Grenville are often seen with this colour. Unusual!	Item #22275 Cyrtolite 10.0x7.0x6.7 cm Largest Crystal Size: 50mm $70.00 McDonald Mine Hybla Ontario, Canada This is one ugly specimen! but it IS interesting! It consists ofa main portion of dark, smokey quartz which has crystals of a number of minerals attached to it but most interestingly, zircon, variety cyrtolite. There are quite a few well formed, tetragonal zircon crystals scattered about. This old mine has now been "reclaimed" and collecting opportunities there will be minimal in future. TS	Item #22274 Tremolite 5.63.5x2.8 cm Largest Crystal Size: 27mm $35.00 Norland Ontario, Canada There is a tremolite occurrence just east of Norland and this is a very good example of the kinds of crystals found there. Weathered out of calcite. Very good luster and terminations.
Item #22272 Fluorapatite 9.0x7.5x3.6 cm Largest Crystal Size: 51mm $75.00 Smart Mine (Miller Property) Renfrew Co. Ontario, Canada Very nice example of a doubly terminated fluorapatite embedded in pink-orange calcite with other partial crystals. Part of a "swarm" of fluorapatite crystals. The fluorapatite crystals from this mine have this characteristic red-brown colour when collected close to surface. Shows well.	Item #22270 Vesuvianite 7.9x5.9x3.4 cm Largest Crystal Size: 15mm $55.00 Wentworth Township Quebec, Canada Here is a different locality. This specimen shows dark-brown vesuvianite crystals embedded in calcite matrix. The crystals in the upper portion of the specimen are complete while the lower portion contains crystal sections. Nice example of this tetragonal mineral.	Item #22269 Tremolite 4.4x3.3x3.4 cm Largest Crystal Size: 22mmcrystals $40.00 Minden Ontario, Canada A very nice cluster of dark green tremolite crystals showing very good luster and terminations for this mineral. Nice!	Item #22265 Neptunite 4.7x2.2x1.2 cm Largest Crystal Size: 15mm $45.00 Benitoite Gem Mine San Benito Co. California, USA What a great combination this is! Black, sharp neptunite partially etched out of pure white natrolite. Nice terminations. Great contrast.
Item #22264 Fluorite, Celestine 5.0x4.3x3.8 cm Largest Crystal Size: 25mm $45.00 White Rock Quarry Clay Center Ohio, USA Great combination that we only see at this location (in my recollection). Sharp, white, bladed celestine crystals cutting through and on crisp cubes of fluorite. Nice association that looks great.	Item #22263 Calcite 4.9x5.0x3.1 cm Largest Crystal Size: 23mm $35.00 Picher Mining Field Ottawa Co. Oklahoma, USA Nice calcite scalenohedral crystals on matrix. The crystals are white with darker zones in the middle. Different!	Item #22262 Vanadinite 6.4x3.8x3.2 cm Largest Crystal Size: 4mm $65.00 Old Yuma Mine Pinal Co. Arizona, USA Lots of deep red, hexagonal prisms of vanadinite on this specimen. Displays very well!	Item #22261 Goethite 4.2x2.7x1.8 cm Largest Crystal Size: 15mm $65.00 Lake George Colorado, USA This area is famous for good goethite crystals and here is a good example. Lustrous, dark brown goethite crystals in radiating or divergent groups.
Item #22260 Baryte 4.8x3.2x2.6 cm Largest Crystal Size: 5mm $75.00 Black Cloud Mine Leadville Colorado, USA This cluster of light coloured baryte crystals displays well. Nice Colorado baryte specimen!	Item #22259 Baryte 5.9x5.2x3.6 cm Largest Crystal Size: 13mm $65.00 Black Cloud Mine Leadville Colorado, USA This cluster of baryte crystals is composed of the sharp thin-bladed crystals that we are used to seeing from the Black Cloud Mine. Some bruising but lots of good crystals.	Item #22258 Dumortierite 7.7x5.7x3.5 cm Largest Crystal Size: 70mm $65.00 Dehessa California, USA An above average specimen of dumortierite, an aluminum boro-silicate that usually has a purple colour. This specimen also shows above average crystallization with the dumortierite forming compact divergent crystal aggregates. Nice example!	Item #22257 Baryte 10.2x7.0x3.0 cm Largest Crystal Size: as above $75.00 Hartsel Park co. Colorado, USA A nice cluster of light coloured baryte crystals from this well known locality. Good viewing from "front" only.
Item #22256 Staurolite 7.7x6.5x3.1 cm Largest Crystal Size: 45mm $75.00 Keywy Kola Peninsula Russia A great looking specimen of dark-brown, prismatic staurolite crystals in mica schist. It includes twinned and un-twinned crystals in the same specimen. The "x" in the centre of one side is two twinned crystals. Very nice!	Item #22255 Celestine 10.5x9.4x4.2 cm Largest Crystal Size: 10mm $65.00 Lime City Ohio, USA The top of this fossiliferous limestone is a calcite-lined vug, sprinkled with glassy, very light blue celestine crystals.	Item #22254 Hematite 4.0x5.0x4.3 cm Largest Crystal Size: as above $75.00 Goose Green Mine Frizington Cumbria, England Here is another of the botryoidal hematite specimens that Cumbria is famous for. It is a mound of reddish-brown botryoids with excellent lustre. British Classic!	Item #22252 Galena 8.3x4.5x5.0 cm Largest Crystal Size: 12mm $75.00 Black Cloud Mine Leadville Colorado, USA A very nice cluster of galena crystals from this famous mining camp. The galena crystals are largely cubes with octahedral modifications. Becoming harder to obtain nice specimens from this mining area presently.
Item #22248 Wulfenite 5.3x4.5x2.4 cm Largest Crystal Size: 9mm $65.00 Amado Mine Group Pima Co. Arizona, USA Sharp, disc-like wulfenite crystals cover the front of this gossanous specimen. Kind of resembles the habit from the Glove Mine.	Item #22247 Azurite, Malachite 3.9x3.0x2.5 cm Largest Crystal Size: 4mm $65.00 Morenci Mine Green Lee Co. Arizona, USA Excellent, larger, deep blue, bladed crystals of azurite are present in protected vugs in this brecciated matrix. Some fuzzy, acicular malachite is present between some of the azurite crystals, as well.	Item #22246 Wulfenite, Mimetite 6.1x6.9x3.5 cm Largest Crystal Size: Wu 6mm, Mi 0.5mm $45.00 Rowley Mine Theba, Maricopa Co. Arizona, USA Sharp, bevelled, wulfenite crystals and tiny mimetite crystals cover much of the front of this specimen. It stands nicely for display and s a very good example of this lead molybdate mineral.	Item #22245 Azurite, Cuprite 4.9x3.6x3.2 cm Largest Crystal Size: Az 1mm, Cu 1mm $40.00 Ray Mine Pinal co. Arizona, USA A very nice example of azurite crystals and cuprite from one of the most famous copper mines in the USA. The crystals line openings in a brecciated matrix. Looks great!
Item #22244 Hematite 5.2x2.1x1.5 cm Largest Crystal Size: n/a $35.00 Goose Green Mine Frizington Cumbria, England A British equivalent of the iron, "needle ore" found in Michigan and Wisconsin in the USA. It is crystallized hematite and a segment of a botryoidal formation. Nice!	Item #22243 Brookite 6.9x5.2x3.8 cm Largest Crystal Size: 5mm $45.00 Magnet Cove Arkansas, USA A number of sharp, black brookite crystals are exposed in/on this quartz crystal vug. The brookite crystals are dypyramids and some more sharp than others. Very nice example of this titanium mineral!	Item #22242 Inderite 4.9x1.9x1.4 cm Largest Crystal Size: as above $35.00 Boron California, USA A significant crystal of this evaporite mineral from the famous evaporite deposit at boron. Smaller crystals of the same mineral attached.	Item #22240 Probertite 7.5x3.8x2.0 cm Largest Crystal Size: as above $35.00 Boron California, USA A mass of compact, curbed, elongated and acicular probertite crystals from the famous borax deposit at Boron. Unusual!
Item #22239 Kurnakovite 3.7x3.5x0.8 cm Largest Crystal Size: as above $35.00 Boron California, USA Nice cleavage of this relatively rare borate mineral from Boron, California, one of the greatest borax deposits in the world.	Item #22238 Howlite 4.1x3.8x3.5 cm Largest Crystal Size: as above $40.00 Lang California, USA A nice nodule of "cauliflower" howlite from one of the most famous localities for this form of howlite. Classic!	Item #22237 Smithsonite 8.9x3.9x2.0 cm Largest Crystal Size: n/a $55.00 Rush Marion County Arkansas, USA A specimen of botryoidal smithsonite from an unusual locality. The smithsonite is tinted yellowish and it is botryoids composed of curved smithsonite crystals.	Item #22234 Microcline 5.2x5.0x3.0 cm Largest Crystal Size: as above $65.00 Cameron's Cone El Paso Co. Colorado, USA Nice example of this blue-green variety of microcline called amazonite. What a great colour! American Classic.
Item #22233 Baryte 8.0x5.9x3.3 cm Largest Crystal Size: 18mm $75.00 Palos Verdes California, USA Here is a cluster of baryte crystals from an unusual locality. The crystals are a creamy white colour with excellent terminations. Unusual crystal growth on the underside, as you can see in the photo. Unique!	Item #22231 Microcline, Quartz 5.5x4.3x3.8 cm Largest Crystal Size: Mi 15mm, Qu 25mm $55.00 Crystal Peak Park Co. Colorado, USA A great-looking cluster of light coloured "amazonite" microcline and dark, smoky quartz crystals, some complete, some not.	Item #22224 Baryte 9.9x5.8x3.0 cm Largest Crystal Size: 20mm $75.00 Cavnic Romania A very handsome plate of thin, platy, baryte crystals. The crystals are well formed with a light gold colouration. Sharp! AND looks great! r	Item #22223 Celestine 8.1x9.2x6.5 cm Largest Crystal Size: 13mm $65.00 Bristol , England A mass of mostly celestine with iron/clay tinting. The crystals in the cavities are sharp, bladed, colourless, celestine crystals. Unusual locality! r
Item #22220 Pyromorphite, Baryte 6.5x4.2x2.5 cm Largest Crystal Size: 7mm $85.00 Les Farges Correze France The pyromorphite specimens from Les Farges have been featured in textbooks for many many decades.Not perfect but lots of great crystals. A French Classic and very good example of this mineral. r	Item #22216 Cassiterite 11.6x7.5x4.6 cm Largest Crystal Size: Ca 3mm, Qu 8mm $160.00 Wheal Pendarves Camborne, Cornwall England This piece is composed mostly of massive cassiterite and quartz with a prominent cavity of sharp cassiterite and quartz crystals on the front of it. Sawn on the back. Classic British specimen from a Classic locality!	Item #22215 Tetrahedrite 13.8x6.8x4.7 cm Largest Crystal Size: 6mm $110.00 Cavnic Romania This elongated plate has many sharp tetrahedrite crystals, associated with pinkish dolomite or very light pink rhodochrosite (not sure), loads of colourless, prismatic quartz crystals and some small pyrite crystals. Looks great! r	Item #22214 Sodalite 6.3X4.0X2.6 cm Largest Crystal Size: n/a $45.00 Princess Sodalite Mine Bancroft Ontario, Canada A classic specimen from one of the alkaline intrusions near Bancroft. An extra nice one since there are usually more white and pinkish veins cutting the sodalite from the Princess Quarry.
Item #22213 Stilbite 7.5x5.54.1 cm Largest Crystal Size: 5mm $35.00 Vulcan Quarry Manassas Virginia, USA An unusual specimen from an unusual locality! This vug is totally lined with light brown stilbite crystals. Nice! Shows well. r	Item #22211 Vivianite 5.4x3.9x2.6 cm Largest Crystal Size: 19mm $85.00 Kerch Deposit Crimea Russia This vug, in in a hollow clam fossil cast, is loaded with dark blue, terminated vivianite crystals. The crystals are well formed, tapered long crystals and an excellent example of this mineral. Above average quality. r	Item #22210 Celestine 4.4x3.1x2.8 cm Largest Crystal Size: 19mm $55.00 Machow Mine Tarnobrzeg Subcarpathia, Poland A beautiful cluster of colourless, well terminated, gemmy celestine crystals from this famous mine. Looks great! r	Item #22203 Rhodoshrosite 6.7x5.2x1.1 cm Largest Crystal Size: n/a $120.00 Capillitas Andalgala Catamarca, Argentina Pretty cool "ore" specimen! This is a slice of beautiful, banded, rhodochrosite in various shades of red, pink and white. The rhodochrosite is attached to massive sulphide matrix. Looks great and from a classic locality! r
Item #22200 Descloizite 9.3x7.2x6.0 cm Largest Crystal Size: 9mm $110.00 Berg Aukas Grootfontein Namibia Wow! A heavy cluster of descloizite crystals from the place that arguably produces the best. This cluster of terminated, deep brown crystals its very nicely for display.	Item #22199 Epidote 10.1x2.1x2.0 cm Largest Crystal Size: 101mm $85.00 Cappelinha Minas Gerais Brazil Just an exceptional, elongated crystal of dark-green, epidote from a modern Classic location. As you can see, the specimen consists of one larger, terminated crystal with a couple of smaller crystals attached. Very nice! r	Item #22193 Kermesite, Valentinite, Antimony 1.9x2.2x2.2 cm Largest Crystal Size: k-11mm $65.00 Lac Nicolet SB Mine Ham Sud Quebec, Canada A cluster of very elongated, acicular kermesite crystals protrudes up out of a matrix of native antimony. The top of the matrix was part of an opening lined with bright, complex, antimony crystals, small clusters of stibnite and excellent valentinite crystals.	Item #22191 Grossular See description cm Largest Crystal Size: 7mm $75.00 Black Lake Thetford Mines Quebec, Canada There are two specimens nicely mounted in this perky box, a cluster of light green grossular crystals and a plate of smaller light green grossular crystals. Black Lake is one of the other asbestos mines in Southern Quebec, besides Jeffrey Mine, that produced interesting accessory minerals.
Item #22190 Grossular, Biotite 3.0x2.4x1.6 cm Largest Crystal Size: 10mm $75.00 Jeffrey Mine Asbestos Quebec, Canada There are a number of sharp, dodecahedral grossular crystals nicely arranged on this plate of small biotite and, I think, small diopside crystals. Very There are a couple of tiny chips out of a couple of the crystals but still a very good example!	Item #22189 Carletonite, Aegirine 2.5x1.4x2.0 cm Largest Crystal Size: 2mm $65.00 Mont Saint-Hilaire Quebec, Canada A vug in one side of this matrix of enmeshed pectolite crystals is fully lined with light blue, sharp, excellent carletonite crystals. One of the less-common minerals from the MSH alkaline intrusive.	Item #22188 Zircon 3.0x2.4x2.4 cm Largest Crystal Size: 16mm $65.00 Kipawa Complex Temiscamingue Co. Quebec, Canada A sharp, stout, doubly terminated zircon crystal is exposed on a matrix of amphibole, zircon and calcite in this specimen. A nice example from this unusual alkaline rock complex.	Item #22187 Rutile 3.0x1.7x1.9 cm Largest Crystal Size: 20mm $65.00 MacGregor Lake Perkins Quebec, Canada A sharp, highly striated, reticulated "elbow twin" from this location well known for rutile crystals. It is highly lustrous and has a deep-red colouration. Hard to come by these, these days!
Item #22186 Ramsdellite 2.2x2.2xx0.9 cm Largest Crystal Size: 5mm $35.00 Mistake Mine Yavapai County Arizona, USA A nice, small plate of sharp, curved crystals of this unusual manganese oxide mineral from one of the best known localities for this mineral. Pitch black and lustrous. Nice!	Item #22185 Cinnabar,Calcite 2.7x2.5x1.7 cm Largest Crystal Size: 3mm $35.00 Gila Co Arizona, USA Rich cinnabar crystal sections and rough crystals embedded in pure-white calcite. Locality piece from this mineral-rich area.	Item #22180 Benitoite, Joaquinite 2.3x2.0x1.7 cm Largest Crystal Size: 11mm $85.00 Benitoite Gem Mine San Benito County California, usa This specimen shows a well formed, complete, light blue benitoite crystal exposed on matrix with a couple of small , orange joaquinite crystals and very small neptunite crystals. The bigger benitoite crystal faces have a frosted luster while the bevels and pinacoid are shiny and lustrous. Such a nice mineral!	Item #22177 Siegenite, Marcasite, Dolomite 2.8x2.3x1.2 cm Largest Crystal Size: 3mm $40.00 Buick Missouri, USA A classic viburnum trend specimen showing both twinned and un-twinned octahedra of siegenite on marcasite and dolomite crystal matrix. Nice crystals!
Item #22175 Rutile 2.1x1.9x1.5 cm Largest Crystal Size: as above $75.00 Constitution Pennsylvania, USA A prismatic-looking, twinned crystal of rutile from this famous old area where rutile crystals erode out of the country rock and are found loose in the soil. Classic!	Item #22174 Pyromorphite 2.6x1.9x1.4 cm Largest Crystal Size: 4mm $35.00 Phoenixville Pennsylvania, USA A small plate of pyromorphite crystals from this famous old mine. Some bruising but good locality specimen. One of the first pyromorphite crystal producers in the USA!	Item #22173 Spinel 1.6x1.7x1.3 cm Largest Crystal Size: 14mm $55.00 Amity New York, USA A very sharp, light bluish-grey spinel octahedron on, what I believe is a humite group mineral or possibly iron-tinted diopside. The crystal is largely complete except for one corner. Classic!	Item #22171 Microlite 0.9x0.7x0.6 cm Largest Crystal Size: as above $65.00 Rutherford, #2 Mine Amelia Virginia, USA A small specimen but a very nice crystal of microlite from an old Virginia location. Sharp faces all around. The crystal was attached on the bottom. Nice example!
Item #22169 Chabazite 3.0x1.9x1.3 cm Largest Crystal Size: 23mm $35.00 Wasson's Bluff Parrsboro Nova Scotia, Canada A gorgeous, twinned crystal of chabazite on a couple of smaller ones. This thumbnail-sized specimen has a combination of reddish and colourless colouration. Very nice!	Item #22168 Levyne 3.4x3.0x1.9 cm Largest Crystal Size: 3mm $45.00 Beech Creek Oregon, USA Sharp, hexagonal-platy crystals of this unusual zeolite are present in a contrasting black vug in basalt. There are crystal sections that are 9mm across but the largest complete crystal is 3 or 4mm across. Beautiful!	Item #22167 Clinoptilite-Ca 3.7x3.7x2.3 cm Largest Crystal Size: 2mm $45.00 Succor Creek Oregon, USA This geode-like, quartz nodule is hollow and completely lined with tabular, sharp, gemmy clinoptilite crystals. Excellent!	Item #22165 Sphalerite, Dolomite 10.2x5.7x2.8 cm Largest Crystal Size: 18mm $35.00 Lacoyer Mine Picher, Ottawa County Oklahoma, USA A good representative sample of sphalerite crystals from this famous Tri-State mine. Lustrous, twinned, dark-brown sphalerite crystals, associated with dolomite crystals on massive dolostone. Partially sawn base. A little bruising. Looks great!
Item #22162 Galena 6.0x4.4x3.4 cm Largest Crystal Size: as above $40.00 Lacoyer Mine Picher, Ottawa County Oklahoma, USA A single, parallel growth cube of lustrous galena showing octahedral modifications. Classic "Tri-State" specimen.	Item #22161 Galena 4.6x3.7x3.2 cm Largest Crystal Size: 3mm $40.00 Double Rainbow Mine Keystone South Dakota, USA The top/front of this pyritized matrix is covered by fairly sharp crystals of galena. The crystals are mostly single crystals that show cube-octahedral crystal habit. Nice specimen from an unusual, old locality.	Item #22160 Spessartine 5.7x3.7x4.0 cm Largest Crystal Size: 4.5mm $35.00 Crum Creek Media Pennsylvania, USA A nice, orangey-red, sharp spessartine crystal embedded in a whitish-silvery mica, likely muscovite. Good old locality piece!	Item #22159 Almandine 4.2x3.4x2.7 cm Largest Crystal Size: 18mm $35.00 Custer South Dakota, USA A number of almandine crystals are embedded in this silvery-micaceous matrix. Most are just crystal sections but one is a well formed crystal showing dodecahedral and trapezohedral faces. From the Black Hills!
Item #22156 Lollingite 4.0x3.4x2.9 cm Largest Crystal Size: 10mm $35.00 Pennington County South Dakota, USA This very interesting fragment of mineralization has a number of elongated, silvery lollingite crystal sections embedded in it. The matrix is also interesting, although I'm not sure exactly what it is. It seems to be composed largely of a purple mineral that looks a lot like cordierite. Unusual locality piece!	Item #22155 Pyromorphite 8.6x3.7x5.0 cm Largest Crystal Size: 1mm $65.00 Phoenixville Pennsylvania, USA The top of this silica-rich rock is covered with pyromorphite crystals, the classic colour of pyromorphite from this old mine. Very old, classic American mining location!	Item #22154 Schorl 4.7x5.5x3.9 cm Largest Crystal Size: 45mm $65.00 Green Mine Custer Co. South Dakota, USA A single, stout schorl crystal with some parts of other crystals attached, shows an excellent trigonal termination. Nice example of a schorl from the famous pegmatites of the Black Hills!	Item #22153 Calcite, Quartz 5.6x4.3x2.6 cm Largest Crystal Size: as above $35.00 Snake Butte South Dakota, USA Here is an interesting crystallization phenomenon! At Snake Butte, water enriched with calcium carbonate, percolates through silica sand and crystalizes out as scalenohedral calcite crystals. Interestingly, though, the calcite crystals enclose sand. These odd crystals, although are crystallized as calcite crystals, incorporate 80% or so sand by volume! Paradoxically, they are the shape of calcite crystals but appear to be made of sand! Looks great!
Item #22152 Prehnite, Copper 5.3x4.6x4.8 cm Largest Crystal Size: co-2mm, $85.00 Iroquois Lode Keweenaw County Michigan, USA A very good looking vug of botryoidal, light green prehnite that is peppered with small copper crystals, some, fairly sharp others very distorted. Displays very well!	Item #22151 Pollucite, Apatite 6.0x5.3x3.0 cm Largest Crystal Size: as above $160.00 Gilgit-Skardu Northern Areas Pakistan A rather large well-formed, half crystal of pollucite with a thin coating of apatite. The pollucite is composed of gemmy sections, some larger, some smaller. Excellent example of this fairly rare mineral!	Item #22147 Zircon, Albite 7.3x3.8x4.2 cm Largest Crystal Size: 4mm $55.00 Mont Saint-Hilaire Quebec, Canada Several very sharp, dipyramidal zircon crystals on this cluster of bladed, white albite and pointy calcite crystals. The zircon crystals are sharp, lustrous and deep brown. Nice example!	Item #22146 Prehnite, Chlorite, Grossular 4.2x3.7x2.8 cm Largest Crystal Size: p-9mm $40.00 Jeffrey Mine Asbestos Quebec, Canada Classic association from the Jeffrey Mine. Very sharp, elongated, white prehnite crystals with flat terminations, associated with rounded aggregates of a chlorite mineral and gemmy grossular crystals.
Item #22144 Grossular, Chrysotile 4.4x3.8x1.4 cm Largest Crystal Size: 4mm $65.00 Jeffrey Mine Asbestos Quebec, Canada Pretty cool! Sharp, deep-green grossular dodecahedra embedded in asbestos. Sharp and interesting!	Item #22143 Grossular, Chrysotile 5.1x3.3x2.3 cm Largest Crystal Size: 5mm $75.00 Jeffrey Mine Asbestos Quebec, Canada Lots of sharp, deep-green, dodecahedral crystals of grossular embedded in fibrous chrysotile. A little different grossular specimens from this famous asbestos producing area. Now all mines are closed.	Item #22140 Forsterite 5.2x4.8x2.7 cm Largest Crystal Size: 36mm $45.00 Parker Mine Notre Dame du Laus Quebec, Canada This specimen is mostly composed of tabular, bevelled, forsterite crystals and crystal sections, some very well formed. There is one, almost complete large crystal and many smaller crystals. Some of the calcite has been etched away to reveal the crystals. Nice!	Item #22139 Pyrite 10.0x2.4x1.4 cm Largest Crystal Size: 9mm $35.00 Stanstead Quebec, Canada A sweet, almost perfect pyrite crystal partially embedded (repaired) in dark grey metasediments. The crystal is a slightly elongated cube with just a tiny chip out of one corner, a miracle considering it was totally embedded in the rock, at one time! Nice light matte patina. Easy to look at!
Item #22136 Baryte 4.2x1.8x1.4 cm Largest Crystal Size: as above $45.00 Ray and Ross Mine St. Fabien Quebec, Canada A group of three parallel, terminated crystal clear baryte crystals or one multiply terminated crystal. The crystals are totally colourless and gemmy. Actually is better or at least as good on the other side. Nice!	Item #22134 Goyazite, Siderite 4.0x4.0x1.8 cm Largest Crystal Size: 3mm $35.00 Rapid Creek Yukon, Canada Lots of pseudo-cubic crystals of whitish goyazite speckled about on a plate of brown scalenohedral siderite crystals. The steep rhomb of the goyazite makes it look sort of like a cube! One of the less common minerals at Rapid Creek.	Item #22132 Quartz 3.9x2.7x2.2 cm Largest Crystal Size: 23mm $35.00 Sceptre Claims Emerald Lake Yukon, Canada A nice little cluster of smokey quartz crystals, the largest of which is doubly terminated. Nice specimen from a rare, remote locality.	Item #22131 Apophyllite 7.8x5.8x2.7 cm Largest Crystal Size: 8mm $40.00 Gaspe Copper Mine Murcochville Quebec, Canada A plate of grey, pseudo-cubic apophyllite crystals. some of the crystals tend toward a black tint. Some of the crystals have a smoky black colouration, possibly due to very fine disseminated sulphides intergrown with the crystal.