| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Bulgaria > Sphalerite (Spinel-law twinned crystals) with Quartz |
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| DESCRIPTION: | No. 38454 |
| Mineral: | Sphalerite (Spinel-law twinned crystals) with Quartz |
| Locality: | Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria |
| Description: | Showy cluster of lustrous black sphalerite crystals to 12 with scattered slender transparent colorless lustrous quartz crystals to 15 mm. The sphalerite crystals are complexly twinned on the {111} plane following the Spinel Law of twinning. |
| Overall Size: | 8x7x5 cm |
| Crystals: | 1-15 mm |
| Archived: | For reference only |
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