Mineral Specimen #4199 Dioptase
Altyn-Tube, Kirghiz Steppes, Karagandy Prov., Kazakhstan
3.3 x 2.3 x 4 cmlargest XL is 7 x 4 x 4 mm
Blocky, semi gemmy, Dioptase crystals on a bed of gray colored calcite crystals from the type location. The color is the typical, rich vibrant emerald green for which Diotase is noted (and very hard to reproduce with a digital camera).
The specimen is in very good condition with no appreciable damage although the specimen appears to have been oiled.
This mineral is also found in the following galleries: Minerals From Russia | Cyclosilicates | Minerals Priced Between 50 and 99 Dollars