| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Sphalerite (Spinel-law Twin) |
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| DESCRIPTION: | No. 32074 |
| Mineral: | Sphalerite (Spinel-law Twin) |
| Locality: | San Antonio el Grande Mine, Santa Eulalia District, Santa Eulalia, Chihuahua, Mexico |
| Description: | Complex crystals of black sphalerite with partial coating of greenish drusy quartz. The sphalerite crystals are twinned following the spinel-law, with large reentrant angle defining the twin plane easily visible on the upper corner. |
| Overall Size: | 6x4x4 cm |
| Crystals: | .2-35 mm |
| Archived: | For reference only |
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