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B321 - Dioptase $ 500 Katanga Prov., Congo miniature - 4.5 x 4 x 3.5 cm ![]() ![]() ![]() ![]() Solid cluster of nothing but Dioptase crystals, with the focus on a central, large upright crystal. Main crystal is 1.5cm in diameter, rises up 1.5cm higher than the others, and is undamaged.
T158 - Dioptase with Wulfenite $ 700 Mammoth St Anthony Mine, Tiger, Pinal Co., Arizona, USA small cabinet - 5.8 x 3.5 x 3 cm ![]() ![]() ![]() Bright green Dioptase and orange Wulfenite crystals on a matrix of hard blue Chrysocolla. Classic old time material.
T824 - Dioptase on Shattuckite $ 1500 Kaokaveld, Namibia miniature - 5 x 3.5 x 3 cm ![]() ![]() ![]() Colorful specimen of thick Dioptase cluster on blue Shattuckite. The Dioptase cluster is 2.3cm tall and undamaged.
T827 - Shattuckite over Dioptase over Calcite Tantara Mine, Katanga, Dem. Republic of Congo cabinet - 9.5 x 6.5 x 6 cm ![]() ![]() ![]() ![]() ![]() Large open vug of blue Shattuckite over Dioptase. The Dioptase formerly covered larger Calcite crystals, which are now gone, only the tips of one or two crystals can be seen on the backside now, however their form is clearly evident from the inside of the vug. The specimen is almost entirely Dioptase and Shattuckite. An unusual feature of this specimen is the light, pearly luster on the surface of the Shattuckite, which is more typically a darker, matte luster. Rare and unusual.
J762 - Dioptase $ 1250 Mindouli District, Brazzaville, Congo small cabinet - 8.5 x 7.5 x 2.5 cm ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Slightly cup-shaped formation of solid Diptase. One side shows nothing but bright, lustrous Dioptase crystals with occasional tiny yellow Wulfenites. The other side shows cup-shaped formations of Dioptase, Dioptase crytals, and about 30% coverage of a lighter green mineral with a form of small apple-green translucent globules. This one has both a flashy, showy display side and another side that's interesting under the loupe.
J768 - Dioptase with Wulfenite $ 600 Mindouli District, Brazzaville, Congo small cabinet - 7 x 6 x 4 cm ![]() ![]() ![]() ![]() ![]() Bright and lustrous Dioptase crystals on a tan rock matrix. This specimen has interesting crystallization with somewhat wheat-sheaf formations of Dioptase intermixed with small yellow Wulfenite crystals. Saw cut on base.
J766 - Dioptase $ 450 Mindouli District, Brazzaville, Congo small cabinet - 8 x 6 x 2.3 cm ![]() ![]() ![]() ![]() ![]() ![]() ![]() Dense coverage of Dioptase crystals over a rock matrix. There is an unusual dome-shaped structure in one area, 2.2cm wide, of solid Dioptase crystals There are 3 generations of Dioptase crystals comprising the dome-shaped structure.
CT152 - Dioptase $ 75 Christmas Mine, Gila Co., Arizona, USA thumbnail - 2.7 x 2 x 0.8 cm ![]() ![]() ![]() Bright, vitreous acicular crystals of Diotase covering the top surface. The crystals are elongated, transparent, and stand up off the matrix. Great color!
CT109 - Dioptase with Wulfenite $ 350 Mammoth Mine, Tiger, Arizona, USA miniature - 4 x 3.5 x 2.5 cm ![]() ![]() ![]() ![]() ![]() Vuggy matrix with excellent sprays of acicular Dioptase crystsals and bright orange Wulfenite crystals. Old specimen with good crystals on both sides.
CT172 - Dioptase with Wulfenite $ 180 Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA thumbnail - 3 x 2.5 x 2 cm ![]() ![]() ![]() Clusters of vibrant emerald green Dioptase crystals aand orange Wulfenite crystals on a Chrysocolla coated matrix. Additionally, there are small clear Quartz crystals present.
LL143 - Dioptase $ 350 Ray Mine, Pinal Co., Arizona, USA miniature - 4.8 x 3.8 x 2 cm ![]() ![]() ![]() Drusy crystals of Dioptase with Chrysocolla on matrix. Excellent quality for the locality and the USA in general.
LL133 - Dioptase $ 500 Morenci Mine, Greenlee Co. Arizona, USA small cabinet - 7.3 x 5.5 x 2.5 cm ![]() ![]() ![]() Glittery coverage of bright emerald green Dioptase crystals covering the front dispaly face of a Chrysocolla rich matrix. Superb Arizona Dioptase specimen. Comes with a George Stevens Minerals label.
CT157 - Dioptase $ 120 Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA thumbnail - 2 x 2 x 1.3 cm ![]() ![]() ![]() Clusters of vibrant emerald green Dioptase crystals on matrix. The Dioptase occurs in clusters to 5mm wide.
CT164 - Dioptase $ 120 Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA thumbnail - 2.2 x 2 x 2 cm ![]() ![]() ![]() Clusters of vibrant emerald green Dioptase crystals on matrix. The main Dioptase clusters is 7mm wide.
CT230 - Dioptase $ 120 Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA thumbnail - 2 x 2 x 1.5 cm ![]() ![]() ![]() ![]() Clusters of vibrant emerald green Dioptase crystals on matrix. The Dioptase occurs in clusters to 5mm wide in various vugs.
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