| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Namibia > Dioptase |
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| DESCRIPTION: | No. 25560 |
| Mineral: | Dioptase |
| Locality: | Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia |
| Description: | Lustrous emerald-green dioptase crystals lining the surfaces of a shallow cavity in gray calcite-rich matrix. Some areas of the dioptase crystals have microscopic subsurface inclusions giving a dull luster. Ex. Phillip Greybill (1935-2018) collection |
| Overall Size: | 5x5x4 cm |
| Crystals: | 1-7 mm |
| Archived: | For reference only |
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