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Thumbnail Gallery
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Manganoan Adamite - SOLD
Ojuela Mine, Mapimi, Durango, Mexico
2.5 x 1.8 x 2.4 cm
MMY-1242 - This stunning thumbnail features a cluster of lustrous, pristine manganoan adamite crystals that display a golden yellow at the base and transition to purple terminations (more purple than photos show).
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Hematite with Hausmannite - $750
Wessels Mine, South Africa
3.2 x 2.1 x 1.1 cm
MMY-1221 - Extremely mirror-bright hematite crystals (yes, you could...just don't cut yourself) host clusters of hausmannite crystals that add a texture contrast. Very fine...pristine.
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Fluorite - SOLD
Denton Mine, Hardin Co., Illinois, USA
2.3 x 2.1 x 2.1 cm
MMB-820 - A complexly patterned purple fluorite crystal with a yellow core has tiny calcite crystals sprinkled upon its surface. The specimen is a floater and is in fabulous condition.
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Rhodochrosite - SOLD
N'Chwaning, South Africa
2.9 x 2.1 x 1.4 cm
MMY-1253 - Cherry red and lustrous, this well-terminated rhodochrosite specimen from N'Chwaning is gemmy enough to be facetable. Complete all around.
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Bixbyite with Topaz - $950
Maynard's Claim, Thomas Range, Utah, USA
2.4 x 2.3 x 2.0 cm
MMY-1223 - Several superbly crystallized bixbyite crystals perch on a topaz matrix in this quality thumbnail. The specimen is better than photos indicate and the bixbyite crystals are complete all around.
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Carrolite - SOLD
South Kamoya, Katanga, Rep. of Congo
2.9 x 2.5 x 1.6 cm
MMY-1251 - This sizeable carrolite crystal shows attractive geometric striations that make this much more than a metallic specimen – it is natural sculpture. The piece is so cleanly contacted on the bottom that it appears to be a floater.
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Benitoite - SOLD
Dallas Gem Mine, San Benito Co., California
2.8 x 1.8 x 1.5 cm
MMB-792 - Reminiscent of a stormy sea or an abstract painting, this benitoite thumbnail shows a complete crystal both front and back with good gemminess at the tips. The green inclusions add a bit of extra drama to the piece. A fine thumbnail!
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Mimetite - SOLD
Tsumeb, Otjikoto Region, Namibia
3.4 x 1.7 x 0.7 cm
MMB-771 - This classic thumbnail from Tsumeb features several orange-yellow mimetite crystals with gemmy tips. The largest, doubly-terminated crystal measures 2.7 cm. Mimetite specimens from Tsumeb are very rare and difficult to acquire. This fine thumbnail would make a fine addition to any thumbnail collection or Tsumeb suite.
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Spodumene var. Hiddenite - SOLD
Hiddenite, Alexander Co., North Carolina, USA
3.7 x 0.9 x 0.6 cm
MMS-236 - From the type locality for the variety, this 3.7 cm long transparent hiddenite crystal has a light green base followed by a light yellow band and a emerald green termination. The specimen is well-crystalized and lustrous...a lovely example of this rare variety of spodumene.
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Azurite with Wulfenite - SOLD
Tsumeb Mine, Otjikoto Region, Namibia
2.1 x 2.8 x 1.9 cm
MMS-240 - An azurite crystal, sharp-edged with vibrant flashes of blue, has patches where the azurite has pseudomorphed to malachite. Though primarily an azurite thumbnail, this specimen also features a cluster of wulfenite crystals (mostly complete).
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Cumengeite, Boleite, Pseudo-Boleite - SOLD
Amelia Mine, Santa Rosalía, Boleó Dist., Mexico
3.0 x 2.1 x 1.7 cm
- ex John Barlow Collection
MMS-143 - Geologic splendor on display...a boleite crystal hosts several cumengeite pyramids growing off its cubic faces. On one of the pyramids, a 1-mm thick pseudo-boleite formed, adding a third dimension to this very rare combination piece. Illustrated in The F. John Barlow Mineral Collection, Plate #10-25.
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Azurite on Anglesite with Duftite - $650
Tsumeb Mine, Otjikoto Region, Namibia
2.7 x 2.3 x 2.9 cm
MMB-823 - Two intersecting, doubly-terminated azurite crystals perch on a matrix of anglesite. Duftite adds a bright green color, contrasting with the azurite in both texture and color. The azurite crystals are complete and pristine and display better than the photos indicate.
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