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Dioptase from the Congo May 21, 2019 · 4 specimens New Dioptase specimens from the Mindouli District of the Congo. These have a number of interesting features, including rounded dome or cup shaped formations either as part of the specimen or in 2 cases, comprising the entire specimen; wheat-sheaf like crystal growth; and associations with other minerals including Wulfenite and an unidentified globular green mineral. |
J764 - Dioptase sold
Mindouli District, Brazzaville, Congo
Small Cabinet - 8.5 x 6 x 2.5 cm
Bright and lustrous Dioptase crystals on a tan rock matrix. This specimen has interesting crystallization with somewhat wheat-sheaf formations of Dioptase.
J765 - Dioptase sold
Mindouli District, Brazzaville, Congo
Small Cabinet - 8.5 x 7 x 3 cm
Cup-shaped formation of solid Diptase. One side shows nothing but bright, lustrous Dioptase crystals. The other side shows a mixture of Dioptase crytals and 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.
J767 - Dioptase sold
Mindouli District, Brazzaville, Congo
Small Cabinet - 7.5 x 5.5 x 3 cm
Bright and lustrous Dioptase crystals on a hard rock matrix. This specimen has interesting crystallization with somewhat wheat-sheaf formations of Dioptase.
J768 - Dioptase with Wulfenite $600 available
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.