| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Bulgaria > Galena (Spinel-Law twinned crystals) over Sphalerite |
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| DESCRIPTION: | No. 80847 |
| Mineral: | Galena (Spinel-Law twinned crystals) over Sphalerite |
| Locality: | Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria |
| Description: | Lustrous gray-metallic galena crystals to 18 mm on lustrous black sphalerite crystals to 4 mm. The galena crystals are twinned on the {111} plane following the Spinel Law of isometric twinning resulting in many triangular flattened crystals. Ex. Miller collection |
| Overall Size: | 7.5x4x3 cm |
| Crystals: | 1-18 mm |
| Archived: | For reference only |
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