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 21% or multiply by 0.79.

 

Item #24690 Sturmanite 5.6x3.9x4.9 cm Largest Crystal Size: 18mm $140.00 Wessels Mine Kurman, Cape Province South Africa Several nice, sharp, dull-yellow crystals of sturmanite are present on this piece and one stands out as excellent. The crystals are flattened dypyramids with very small pinacoid faces. Excellent example!	Item #24689 Rosasite, ps Cuprite 6.5x5.2x3.6 cm Largest Crystal Size: 3mm $75.00 Tsumeb Canada Sharp pseudomorphs of of this hydrous copper-zinc carbonate that has replaced cuprite the an oxide of copper are liberally sprinkled around the top of this matrix. One of the less-seen minerals from Tsumeb, expecially in pseudomorphs like this.	Item #24688 Fluorite 7.5x4.54.9 cm Largest Crystal Size: 11mm $65.00 Monarch Mine Wickenberg Arizona, USA Fairly sharp fluorite crystal octahedra cover much of this vein matrix. The Wickenberg area was famous for gold mining. Of course, there were interesting minerals in the veins, in addition to the gold and here is a good example!	Item #24687 Mimetite 4.4x3.0x1.5 cm Largest Crystal Size: 7mm $140.00 Tsumeb Otjikoto Namibia Lots of beautiful, well terminated yellow-green crystals of mimetite cover much of this specimen. This IS a very good one!
Item #24685 Dioptase 7.6x4.9x3.0 cm Largest Crystal Size: 2mm $55.00 Mindouli Congo This specimen is practically covered with small,beautiful, sharp crystals of this unusual copper silicate mineral. Looks great!	Item #24683 Hinsdalite 7.5x3.5x2.9 cm Largest Crystal Size: 3mm $75.00 Sylvester Mine Zeehan, Tasmania Australia Elongated, hexagonal laths of pure white hinsdalite, very similar to specimens illustrated on mindat.org. Nice specimen of a relatively rare mineral!	Item #24682 Wulfenite 5.0x3.3x1.5 cm Largest Crystal Size: 12mm $75.00 Los Lamentos Chihuahua Mexico A very nice cluster of wulfenite crystals of a different style than we normally see at Los Lamentos.	Item #24681 Colemanite 5.1x5.4x3.5 cm Largest Crystal Size: 11mm $40.00 Boron Kern Co. California, USA Very sharply terminated bladed crystals of this borax mineral cover the top of this specimen. I think the rounded, brownish crystals are calcite or dolomite. From the famous borax mines of California, near Boron!
Item #24680 Fluorite 7.7x7.4x3.3 cm Largest Crystal Size: 17mm $65.00 RosiClare Mine Hardin County Illinois, USA Sharp, purple fluorite crystals with smaller crystals scattered on the fluorite. Some sphalerite poking through the fluorites, as well.	Item #24679 Ramsdellite 5.4x4.4x4.5 cm Largest Crystal Size: n/a $55.00 Mistake Mine Yavapai Co. Arizona, USA A plate of excellent, black, lustrous crystals of this manganese oxide mineral. Central to the piece is a "ball" of crystals in the lower central part of the crystallized area. The Mistake Mine is famous for ramsdellite crystals!	Item #24677 Vanadinite 4.7x3.8x2.9 cm Largest Crystal Size: 3mm $65.00 Apache Mine Gila County Arizona, USA Sharp, deep red, hexagonal crystals of vanadinite are scattered about the top and side of this matrix. Nice specimen from a classic AZ locality. s	Item #24676 Cinnabar 6.8x4.1x3.2 cm Largest Crystal Size: n/a $65.00 Alaska, USA A rich specimen of cinnabar the sulphide mineral of mercury. This is an ore-grade specimen from one of the deposits in Northeast Alaska, according to an affixed label. Sorry, don't know which one! Can't be the Red Devil Mine which is in southwest Alaska. Rich! s
Item #24672 Celestine 12.1x9.3x6.3 cm Largest Crystal Size: 25mm $40.00 Forks of Credit Ontario, Canada Have you seen orange celestine before? This celestine from the famous area of southern Ontario is REALLY orange! Different and unusual! s	Item #24671 Schorl 11.1x6.9x7.1 cm Largest Crystal Size: 60mm $45.00 Villeneuve Mine Val-Des-Bois Quebec, Canada Nice example of a schorl crystal in feldspar matrix from this large pegmatite. The schorl crystal is pitch black and well formed, although not complete on one side. It is terminated.	Item #24669 Andradite, Grossular 13.0x5.9x5.5 cm Largest Crystal Size: 9mm $45.00 Marmoraton Mine Marmora Ontario, Canada Nice example of the garnets from the gigantic skarn zone that is/was the Marmoraton Iron Mine. The mine was a very large open pit that has now been closed for decades. Some feldspar crystals associated. Nice!	Item #24668 Titanite, Magnetite 13.3x10.4x6.6 cm Largest Crystal Size: 17mm $75.00 New York MIne Glamorgan Township, Haliburton Ontario, Canada This is a very nice specimen of titanite on octahedral crystals of magnetite. Hard to see the magnetite crystals in the pictures. Much of the titanite appears to be oriented on the magnetite. Very good!
Item #24666 Katophorite 7.0x9.5x6.5 cm Largest Crystal Size: 28mm $35.00 Wilberforce Haliburton Ontario, Canada A plate of well formed crystals of this amphibole-group mineral. The crystals are pitch-black, short prisms with very good terminations. A little of the original calcite that once enclosed the entire plate is still present. Nice example!	Item #24658 Cerussite 8.5x8.5x5.6 cm Largest Crystal Size: 11mm $65.00 Flux mine Patagonia Arizona, USA The flux mine is a classic, old Arizona Locality thatis famous for its "jackstraw" habit white cerussite crystals. Here is a very good example that I think we can send safely.	Item #24656 Millerite 4.9x4.0x3.0 cm Largest Crystal Size: 8mm $55.00 Halls Gap Lincoln County Kentucky, USA Nests of golden millerite needles are present on the chalcedony lining of this geode from the Famous Hall's Gap area. There are also some spiky crystals that may be millerite but I'm not sure. Interesting piece!	Item #24655 Millerite 3.6x2.6x3.5 cm Largest Crystal Size: 5mm $45.00 Halls Gap Lincoln County Kentucky, USA Lots of golden, hairlike, prismatice crystals of this nickel sulphide mineral stick out of the silica lining of this geode from the famous Hall's Gap area of Kentucky. Classic!
Item #24654 Millerite 4.8x3.8x2.2 cm Largest Crystal Size: 6mm $45.00 Halls Gap Lincoln County Kentucky, USA This silica geode has many fine, hairlike millerite crystals in it. The crystals are very fine, golden hairs that criss-cross across the open space. Nice!	Item #24653 Cerussite, Duftite 15.5x10.1x6.5 cm Largest Crystal Size: 5mm $75.00 Tsumeb Namibia A rather large example of green duftite on matrix hosting many colourless, sharp, cerussite crystals. Extra postage may apply! s	Item #24652 Arsenopyrite 12.0x7.1x2.9 cm Largest Crystal Size: 15mm $45.00 Port Dufferin Gold Mine Port Dufferin Nova Scotia, Canada A very nice example, rarely seen, from this old Nova Scotian Gold Mine. It shows sharp, silvery, wedge-shaped arsenopyrite crystals embedded in shaley rock. Unusual locality!	Item #24646 Andradite 4.6x3.3x2.2 cm Largest Crystal Size: 23mm $45.00 Bond Zone, Oka. Deux-Montagnes Co. Quebec, Canada Dark, highly corroded garnets from this famous carbonatite that was developed for niobium in the 1960's.
Item #24642 Sphalerite 5.5x4.5x4.5 cm Largest Crystal Size: 4mm $55.00 Hyatt mine, St. Lawrence Zinc St. Lawrence New York, USA Gemmy, yellow sphalerite crystals are exposed here and there in calcite crystal cavities in this specimen from the famous zinc mine in the Grenville Geological province that extends into New York state. Beautiful crystals!	Item #24640 Pyrite 2.9x2.6x3.1 cm Largest Crystal Size: as above $35.00 Spruce Claim King co. Washington, USA Very nice pyrite crystal specimen from this famous quartz-pyrite locality.	Item #24639 Pyrite, ps Marcasite 5.6x3.7x2.6 cm Largest Crystal Size: 15mm $45.00 Nanisivik Mine Baffin Island Nunavut, Canada The Nanisivik Mine was a zinc mine that operated in the Arctic for many years. At one time it was the second most northern base metal mine in the world. Way up there! It was famous for the peculiar pseudomorphs of pyrite after marcasite, extra peculiar because of oriented overgrowths of pyrite ON the pseudomorphs. Here is a very good example!	Item #24636 Pyrite 5.8x4.3x2.2 cm Largest Crystal Size: 5mm $40.00 Duff Quarry Huntsville Ohio, USA Sharp crystals of pyrite are present in the calcite-lined cavity on the top of this specimen. The crystals appear complex but are merely nice combinations of various isometric crystal forms. Classic Ohio!
Item #24630 Wulfenite 7.4x5.2x3.2 cm Largest Crystal Size: 5mm $45.00 Ojuela Mine Durango Mexico Lots of thin, platy crystals of yellow wulfenite on this limonite matrix. Older specimen from this famous locality.	Item #24629 Fluorite 9.0x7.1x2.5 cm Largest Crystal Size: 8mm $125.00 Berbes Ribadesseca, Asturias Spain Very nice cluster of clear, colourless fluorite crystals from this famous locality. The simple cubic crystals have a slight pinkish undertone. Looks great!	Item #24627 Cerussite, Malachite 5.2x4.1x2.7 cm Largest Crystal Size: 4mm $120.00 Tsumeb Namibia A beautiful specimen of cerussite crystals, twinned, of course, on matrix.	Item #24626 Vanadinite, var. Endlichite 7.5x6.1x7.4 cm Largest Crystal Size: 5mm $40.00 Mapimi Chihuahua, Mexico Lots of bright, hexagonal crystals of vanadinite are scattered on a cluster of calcite crystals-matrix. Excellent example of this arsenic-rich variety of vanadinite.
Item #24624 Hematite 5.0x3.7x2.5 cm Largest Crystal Size: n/a $40.00 Errington Pit, Steep Rock Iron Mine Atikokan Ontario, Canada Lustrous, botryoidal, hematite from the long closed Errington Pit of Steep Rock Iron Mines. A large lake had to be drained to accomplish this mine. It was respected as an engineering feat in the 50's but would be condemned in the present environmentally sensitive times!	Item #24622 Hematite 4.5x4.1x4.1 cm Largest Crystal Size: n/a $40.00 Errington Pit, Steep Rock Iron Mine Atikokan Ontario, Canada Lustrous, botryoidal, hematite from the long closed Errington Pit of Steep Rock Iron Mines. A large lake had to be drained to accomplish this mine. It was respected as an engineering feat in the 50's but would be condemned in the present environmentally sensitive times!	Item #24620 Azurite, Malachite ps Cuprite 6.2x.7x3.4 cm Largest Crystal Size: Az 2mm, MaCu 2mm $75.00 Tsumeb Namibia A great-looking specimen showing a drusy azurite-lined vug. As well there are fairly sharp pseudomorphs of malachite after cuprite. A less common combination from Tsumeb.	Item #24619 Vanadinite 8.0X4.9X5.4 cm Largest Crystal Size: 2mm $45.00 Chihuahua Mexico Lots of elongated crystals of well-terminated, hexagonal vanadinite crystals scattered about this piece. The matrix is largely a cluster of rhombohedral, white calcite crystals. Nice example!
Item #24618 Cerussite 2.8x2.3x1.4 cm Largest Crystal Size: 18 mm $75.00 Tsumeb Namibia An excellent sixling of cerussite featuring gemmy, colourless twinned crystals. A couple of bruises but still really nice!	Item #24616 Plattnerite 7.0x4.9x3.8 cm Largest Crystal Size: 3mm $35.00 Ojuela Mine Mapimi, Durango Mexico This specimen of hemimorphite crystals is coloured black by a sprinkling of tiny, black, plattnerite crystals. Good example!	Item #24615 Fluorapatite 8.9x5.9x5.4 cm Largest Crystal Size: 10mm cleavage $65.00 Panasqueira Mine Panasqueira Portugal The top of this specimen is largely covered with light greenish fluorapatite crystals and tan siderite crystals. A little bruising but still very nice specimen from this famous Portuguese locality! s	Item #24592 Neptunite 6.7x3.8x3.0 cm Largest Crystal Size: 12.5mm $55.00 Benitoite Gem Mine San Benito County California, Canada A couple of pitch-black, prismatic crystals of this relatively rare silicate mineral are exposed in natrolite on the front of this matrix. This is THE locality for this mineral! s
Item #24589 Apatite 7.2x5.0x7.4 cm Largest Crystal Size: 11mm $55.00 Palermo No. One Mine North Groton, Grafton Co. New Hampshire, USA A sharp, primatic, pinacoid-terminated apatite crystal is nicely exposed in a cavity in this feldspar-mica pegmatite matrix. Nice locality specimen!	Item #24587 Hematite, Andradite 6.8x6.7x4,5 cm Largest Crystal Size: 32mm $120.00 Wessels Mine Hotazel, Northern Cape South Africa This specimen is a cluster of thick-tabular hematite crystals that are partially encrusted with tiny, sparkling andradite crystals. I suspect the hematites were largely encrusted with andradite, at one time, but much of the andradite has been removed to reveal these excellent hematite crystals. Looks great! s	Item #24585 Pyrrhotite, Sphalerite 6.0x4.0x2.0 cm Largest Crystal Size: p-35mm, sp-15mm $55.00 Potosi Mine Chihuahua Mexico A very handsome-looking specimen composed of a sharp pyrrhotite crystal encrusted by black sphalerite crystals on most sides. Nice! s	Item #24584 Cassiterite 2.8x2.7x2.3 cm Largest Crystal Size: n/a $65.00 Fresnillo Zacatecas Mexico Stream tin! This is the type of cassiterite found in stream beds and alluvial deposits in some places in the world. Mexico is particularly famous for it. This specimen shows water-worn, botryoidal cassiterite with the characteristic patina. Excellent! s
Item #24583 Grossular 3.2x3.0x3.3 cm Largest Crystal Size: as above $55.00 Laguna de Jaco Salinas, Coahuilla Mexico A very cool crystal of pink grossular with no matrix. It is an entire crystal with good luster! s	Item #24582 Cassiterite, Quartz 8.2x6.5x4.6 cm Largest Crystal Size: 3mm $120.00 Cornwall England This specimen is from one of the famous old metal mines of Cornwall. Just don't know which one! The Romans referred to the British Isles as "the Cassiterides" due to the tin ores they found there. It is part of a quartz and cassiterite vein section with cavities in massive cassiterite lined with glistening cassiterite crystals and small milky quartz crystals. Classic! Displays well. s	Item #24579 Diopside 8.5x6.3x5.3 cm Largest Crystal Size: 39mm $75.00 Dog Lake Frontenac Co. Ontario, Canada A nice cluster of light green diopside crystals with a little phlogopite and calcite attached. Above average cluster! s	Item #24577 Corundum 2.8x2.8x2.5 cm Largest Crystal Size: 28mm $40.00 Madagascar Not a Ruby! Not an sapphire! But it is a well formed, hexagonal crystal of corundum with a second crystal attached to it. Very good example! s
Item #24575 Quartz 6.2x5.5x3.3 cm Largest Crystal Size: n/a $45.00 Dover Kent England Not sure WHAT this really is! It is definitely a flint nodule that has been split open to reveal an unusual growth inside. It resembles a sea urchin but I don't really know what it is! It is cool! s	Item #24574 Topaz 5.2x3.2x2.1 cm Largest Crystal Size: as above $35.00 Brazil A single etched crystal section of light blue topaz with cleavage planes at both ends. Sorry, All I've got is "Brazil. Probably from Minas Gerais. s	Item #24572 Quartz 10.6x3.2x1.6 cm Largest Crystal Size: as above $35.00 Lyndhurst Leeds and Grenville County Ontario, Canada A flattened, tabular, singly terminated crystal from this old, long closed quartz mine. Smaller crystal attached. sw	Item #24570 Tetrahedrite 4.1x2.2x2.2 cm Largest Crystal Size: 10mm $40.00 Broken Hill Mine New South Wales Australia This specimen is a cluster of copper sulphides with some sharp tetrahedrite crystals on it. We don't see specimen like this from Broken Hill all that often! s
Item #24569 Lazurite, Calcite 3.8x3.0x1.9 cm Largest Crystal Size: 14mm $120.00 Badakshan Koksoha Valley Afghanistan A sharp, deep blue crystal of this phosphate mineral is embedded in pure white marble, along with a few grains of graphite. Displays perfectly. Excellent example! s	Item #24567 Copper 6.3x3.3x1.0 cm Largest Crystal Size: 4mm $40.00 Isle Royal Mine Keweenaw Peninsula Michigan, USA A dendritic "frond" of copper crystals from this famous old copper mining locality. Looks great! s	Item #24566 Mimetite, Malachite 5.3x3.4x1.8 cm Largest Crystal Size: 2mm $35.00 Tsumeb Namibia Clusters of beigey mimetite crystals are scattered thickly onthis rock matrix, along with small green balls that may be malachite or something more rare. s	Item #24564 Spessartine 4.7x4.4x4.1 cm Largest Crystal Size: 16mm $45.00 Lake Cecebe Burks Falls Ontario, Canada A couple of well formed, trapezohedral crystals of spessartine garnet are embedded in feldspar-mica pegmatite in a displayable way. Nice example! s
Item #24563 Breithauptite, Nickeline, Acanthite 4.8x4.4x2.3 cm Largest Crystal Size: n/a $45.00 Cobalt Ontario, Canada A solid fragment of the two unusual nickel minerals breithauptite and nickeline. The breithauptite is obvious because of its pink-metallic colouration while the nickeline has a more orange-metallic colour. On one end of the piece, there is a calcite veinlet that has crystals of black acanthite ps argentite embedded in it. Sawn on two sides. Rich! s	Item #24558 Andradite 3.8x3.3x2.6 cm Largest Crystal Size: as above $35.00 Little Pine Garnet Mine Marshall, Madison Co. North Carolina, USA A sharp, dodecahedral almandine crystal with a light mica coating. Well formed. One little corner knocked off. Good example of this type of garnet! s	Item #24557 Calcite 5.8x4.3x3.4 cm Largest Crystal Size: as above $35.00 Mexico I've seen these types of multi-generational calcite crystals from Mexico many times, but cannot say the exact locality. This one shows a primary, hematite-tinted scalenohderon that has grown in parallel growth to a colourless, clear part of a crystal. As well, the back of the scalenohedron is covered with tiny calcite crystals. Sharp-looking example! s	Item #24556 Epidote 6.5x4.7x2.5 cm Largest Crystal Size: 7mm $40.00 Calumet Mine Salida, Chaffe Co. Colorado, USA A plate of deep-green epidote crystals showing chisel-like terminations. Very lustrous! The crystals often have fine-grained chlorite in between them. s
Item #24554 Tetrahedrite, Quartz 9.2x5.8x4.3 cm Largest Crystal Size: 12mm $75.00 Casapalca Mine Huancavelica Peru Lots of sharp terahedra of tetrahedrite are scattered amongst clusters of smaller colourless quartz crystals. The Casapalca Mine is famous for these types of specimens. top is angled forward for perfect display. s	Item #24552 Elbaite, Quartz 8.0x6.5x4.8 cm Largest Crystal Size: 32mm $225.00 Himalaya Mine Pala California, USA A beautiful, very gemmy, light pink elbaite crystal adheres to the side of this rusty quartz crystal. The elbaite crystal has a flat termination with some tiny chips at the edge. Looks great, displays perfectly! s	Item #24551 Kermesite, Valentinite, Stibnite 6.7x6.4x3.8 cm Largest Crystal Size: 7mm $65.00 Lac Nicolet Sb Mine Ham Sud Quebec, Canada Rich, deep-red sprays of fine kermesite crystals are embedded in as matrix of interlocking kermesite, valentinite and stibnite plus other unidentified antimony oxides. Very heavy and rich! s	Item #24547 Topaz 5.5x2.9x2.9 cm Largest Crystal Size: 11mm $35.00 Mexico Several sharp, well terminated topaz crystals sit on this matrix. The crystal at right is not cleaved but has a flat termination. Don't know exact location. Nice topaz specimen! s
Item #24546 Dravite 7.6x6.5x6.4 cm Largest Crystal Size: as above $140.00 Dale Bush Farm Richville, St. Lawrence County New York, USA Just a large, well formed, brown crystal of dravite with just a little calcite attached. The crystal is singly-terminated with sharp prism faces and a couple of smaller crystals attached. It is complete but has some massive dravite attached to the back, presumably a point of attachment. Lustrous faces! Sits perfectly for display. s	Item #24545 Quartz, Dolomite 16.5x9.0x4.7 cm Largest Crystal Size: 23mm $50.00 Benchmark Quarry St. Johnsville, Herkimer County New York, USA One single, well terminated crystal of quartz sits at the edge of a dolomite-lined vug in limestone in this specimen. The vug is totally lined with sharp, curved greyish crystals of dolomite. Handsome piece! s	Item #24544 Corundum 7.4x5.1x3.7 cm Largest Crystal Size: as above $65.00 South Africa All I know about this specimen is that it is a complete, doubly terminated corundum crystal rescued from an ore pile where it was destined to be crushed and ground up for abrasive. No detailed locality info but a wonderful crystal! s	Item #24539 Dravite 6.4x3.6x3.2 cm Largest Crystal Size: 13mm $55.00 Goshen Ontario, Canada A number of dark-brown dravite crystals are exposed in pure-white calcite cleavages on a phlogopite mica matrix. Nice specimen from an unusual Grenville location! s
Item #24538 Millerite 9.4x5.0x4.6 cm Largest Crystal Size: 3mm $35.00 Orford Nickel Mine St. Denis-de-Brompton Quebec, Canada Lots of small, well formed, stout crystals of millerite are scattered over the surface of this grossular-diopside matrix, being exposed after some of the calcite was etched away. The millerite crystals are very well formed, many terminated and nicely striated. The face of the specimen is covered with tiny green grossular crystals and black poorly formed chromite crystals. There are also well formed prismatic, light green diopside crystals to 2mm or so. This was Canada's and perhaps North Americas first Nickel Mine! s	Item #24531 Wulfenite, Hemimorphite 2.7x2.4x1.4 cm Largest Crystal Size: 8mm $35.00 79 Mine Gila County Arizona, Canada A gorgeous, 8mm, gemmy orange, wulfenite crystal nestled amongst sprays of colourless, sparkling hemimorphite crystals.	Item #24529 Wulfenite 9.7x3.9x3.8 cm Largest Crystal Size: 8mm $55.00 79 Mine Gila County Arizona, USA This specimen showsthe stepped crystal habit from the 79 Mine very well. A number of sharp, orange, lustrous crystals are scattered around on the face of this piece. Displays perfectly.	Item #24528 Smithsonite 4.6x3.3x2.8 cm Largest Crystal Size: n/a $40.00 79 Mine Gila County Arizona, Canada The top of this matrix is covered with a thick, botryoidal crust of excellent, green smithsonite. Very good example of this zinc carbonate mineral!
Item #24527 Hemimorphite 6.4x4.0x2.4 cm Largest Crystal Size: n/a $40.00 79 Mine Gila County Arizona, Canada A plate of light blue, botryoidal hemimorphite on a matrix mostly composed on hemimorphite. Nice example!	Item #24526 Cerussite 3.2x2.4x1.3 cm Largest Crystal Size: as above $75.00 79 Mine Gila County Arizona, USA A beautiful, twinned cerussite crystal specimen with just a little limonite on the bottom. The crystal on the left is repaired but, still, it is an excellent specimen! Looks great and they just don't come around like this very often.	Item #24524 Cerussite 2.3x2.31.2 cm Largest Crystal Size: 14mm $35.00 79 Mine Gila County Arizona, USA A sharp, pure white cerussite crystal protrudes up out of gossan matrix. Nice example!	Item #24523 Wulfenite, Hemimorphite 2.1x1.5x1.0 cm Largest Crystal Size: 12mm $35.00 79 Mine Gila County Arizona, Canada A sharp, rectangular wulfenite crystal, on matrix with many tiny hemimorphite crystals.
Item #24522 Wulfenite 2.2x2.1x1.5 cm Largest Crystal Size: 17mm $45.00 79 Mine Gila County Arizona, USA Pretty nice thumbnail-sized, paper-thin crystal of wulfenite from this old classic locality. A nice light orange colour on limonite matrix. Delicate!	Item #24521 Wulfenite 9.5x6.0x4.2 cm Largest Crystal Size: 6mm $65.00 79 Mine Gila County Arizona, USA Lots of lustrous, dark orangey wulfenite crystals on the face of this limonite matrix. The crystals show stepped growth or nice growth features on the faces. Nice example of this particular crystal habit from the 79 Mine.	Item #24519 Hemimorphite 12.2x8.5x8.5 cm Largest Crystal Size: n/a $85.00 79 Mine Gila County Arizona, Canada A large specimen of botryoidal, light-blue hemimorphite in several compartments of this cellular secondary mineralization. Great to look at!	Item #24518 Hemimorphite 12.0x8.4x10.5 cm Largest Crystal Size: n/a $85.00 79 Mine Gila County Arizona, USA A rather large specimen of hemimorphite with a number of openings exhibiting light blue, botryoidal hemimorphite. It is a cabinet specimen that displays very well, especially from the "front" shown in the main photo. Nice!
Item #24517 Hemimorphite 8.2x5.7x9.0 cm Largest Crystal Size: n/a $65.00 79 Mine Gila County Arizona, USA A mass of mostly hemimorphite that has a number of openings lined with light blue, botryoidal hemimorphite. Very nice example!	Item #24516 Hemimorphite 7.4x6.3x4.0 cm Largest Crystal Size: n/a $65.00 79 Mine Gila County Arizona, USA This beautiful specien of light blue hemimorphite has two cavities lined with botryoidal hemimorphite. The two cavities join together deep in the specimen. Excellent!	Item #24513 Smithsonite, Rosasite, Calcite 6.1x5.8x6.3 cm Largest Crystal Size: n/a $75.00 79 Mine Gila County Arizona, USA Here is a different one! Th cavity is lined with light blue hemimorphite botryoids that are coated with tiny sparkling quartz crystals. As well though, under the quartz crystals are darker blue spheres of rosasite. There are also a couple of clusters of 5mm or so calcite crystals on top of the drusy quartz lining. Beautiful and interesting.	Item #24509 Smithsonite, Hemimorphite, Aurichalcite 5.7x4.3x3.3 cm Largest Crystal Size: sm-n/a, hem-2mm $55.00 79 Mine Gila County Arizona, USA Here is a different one! In this specimen an opening is lined with green smithsonite but, as ell, there is a partial lining of aurichalcite-infused hemimorphite crystals at the back of the vug. The small hemimorphite crystals are colourless but have aurichalcite needles formed in them which gives them all a nice blue appearance!
Item #24501 Hemimorphite 8.7x5.6x5.8 cm Largest Crystal Size: n/a $65.00 79 Mine Gila County Arizona, USA A very displayable specimen of this light blue, botryoidal hemimorphite from the 79 Mine. Displays exactly as shown.	Item #24500 Hemimorphite 7.4x4.0x4.3 cm Largest Crystal Size: n/a $40.00 79 Mine Gila County Arizona, USA An attractive miniature specimen of light blue hemimorphite with a small appendage of hemimorphite at the back right. Nice!	Item #24499 Smithsonite 7.6x6.4x5.8 cm Largest Crystal Size: n/a $75.00 79 Mine Gila County Arizona, USA A triangular cavity in gossan is lined with green, botryoidal smithsonite. Attractive and interesting specimen of this zinc carbonate!	Item #24495 Hemimorphite 6.7x3.4x2.1 cm Largest Crystal Size: n/a $40.00 79 Mine Gila County Arizona, USA Light blue, botryoidal hemimorphite makes up most of this specimen! Displays as shown.
Item #24490 Wulfenite, Calcite 9.1x6.8x4.5 cm Largest Crystal Size: w-8.5mm $85.00 San Carlos Mine San Carlos, Chihuahua Mexico A couple of beautiful, gemmy-orange, thick-bladed wulfenite crystals are positioned right in the middle of a bed of white calcite crystals. The crystals are square, thick-bladed, well formed crystals. There are some gemmy, small calcite crystals sprinkled on the wulfenites. Great looking specimen.	Item #24489 Danburite, Calcite 8.4x6.7x4.4 cm Largest Crystal Size: 67mm $85.00 Charcas San Louis Potosi Mexico A really nice cluster of danburite crystals! This cluster is coated with small crystals of calcite on one side but n the other side os clear, very slightly pinkish, striated, lustrous crystals on the other side. Displays well on both sides!	Item #24488 Wulfenite, Calcite, Mimetite 9.4x6.2x4.3 cm Largest Crystal Size: w-8mm $85.00 San Carlos Mine San Carlos, Chihuahua Mexico There are a number of gemmy-orange, square-tabular, beveled wulfenite crystals scattered about on this matrix along with lots of white calcite crystals and a background of what I think is green, botryoidal mimetite in very tiny botryoids. Beautiful!	Item #24487 Hemimorphite 8.5x4.3x4.5 cm Largest Crystal Size: hem-21mm $40.00 Ojuela Mine Mapimi, Durango Canada A great-looking, excellent example of this secondary zinc silicate mineral, featuring a divergent spray of bladed hemimorphite crystals at the front of a vug lined with gemmy hemimorphite crystals and tiny calcite crystals. Displays very well.
Item #24484 Hemimorphite, Calcite 8.1x6.2x3.4 cm Largest Crystal Size: 7mm $40.00 Ojuela Mine Mapimi, Durango Mexico Here is an attractive hemimorphite specimen! The front of the piece is an open vug with a "star" of hemimorphite on a pedestal of calcite crystals. The rest of the vug has calcite crystals scattered about on botryoidal iron oxides. The matrix is highly corroded, altered galena and each fragment of galena is covered with secondary lead minerals. Some interesting crystals under the microscope, perhaps mimetite or others. Interesting, good looking specimen!	Item #24482 Wulfenite 7.2x5.7x2.8 cm Largest Crystal Size: 9mm $35.00 Ojuela Mine Mapimi, Durango Mexico There are a few thin-tabular wulfenite crystals on this light limonite matrix.The crystals have very sharp pinacoid faces and sort of rounded prism. Like butterscotch!	Item #24480 Anhydrite 4.6x3.1x3.1 cm Largest Crystal Size: n/a $40.00 Faraday Mine, (Madawaska Mine) Bancroft Ontario, Canada Now for something completely different! This a section of drill core from this venerable, long-closed mine that cut solid, purple anhydrite. Interesting and unusual!	Item #24479 Corundum 8.1x2.7x3.5 cm Largest Crystal Size: 74mm $50.00 Logan Cuts Hastings County Ontario, Canada A very long, tapered crystal of corundum is nicely exposed on syenite matrix. It has been sawn on four sides to preserve the corundum crystal. Nice crystal!
Item #24477 Corundum 5.0x2.0x2.7 cm Largest Crystal Size: 50mm $40.00 Logan Cuts Hastings County Ontario, Canada A sharp, tapered, singly terminated crystal is perfectly exposed on top of this syenite matrix. Nice!	Item #24476 Corundum 4.8x2.4x1.8 cm Largest Crystal Size: 48mm $45.00 Logan Cuts Hastings County Ontario, Canada A doubly-terminated, very long, tapered crystal is well exposed in feldspar matrix. Two saw cuts. Classic Grenville!	Item #24475 Arsenopyrite 6.4x4.4x3.4 cm Largest Crystal Size: 12mm $35.00 Lucy Mine Wawa Ontario, Canada Some groups of radiating arsenopyrite crystals are embedded in siderite matrix. Interesting specimen from this long-closed old open pit iron mine.	Item #24474 Danburite 6.2x4.7x4.5 cm Largest Crystal Size: 23mm $65.00 Charcas San Luis Potosi Mexico A nice cluster of terminated danburite from one of the most famous localities for this mineral. Alittle irontinting give the specimen a bit more 3-D viewing. Displays well.