| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Bulgaria > Sphalerite (Spinel-law twinned) with Calcite and Galena |
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| DESCRIPTION: | No. 43478 |
| Mineral: | Sphalerite (Spinel-law twinned) with Calcite and Galena |
| Locality: | Borieva Reka Mine, Madan District, Rhodope Mountains, Bulgaria |
| Description: | Brilliantly lustrous black sphalerite crystals to 13 mm with tan calcite crystals to 2 mm scattered on the surfaces with a few cubic gray-metallic galena crystals to 9 mm. The sphalerite crystals are complexly twinned on {111} following the Spinel Law. |
| Overall Size: | 8x8x3.5 cm |
| Crystals: | 1-13 mm |
| Archived: | For reference only |
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