AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Peru > Sphalerite (Spinel Law twinned) with Quartz |
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DESCRIPTION: | No. 81621 |
Mineral: | Sphalerite (Spinel Law twinned) with Quartz |
Locality: | Casapalca District, Huarochiri Province, Lima Department, Peru |
Description: | Lustrous black sphalerite crystals to 22 mm that are lamellar twinned following the Spinel Law on the {111} plane, with lustrous transparent colorless quartz crystals to 28 mm on the side. Under bright illumination the sphalerite shows transparency. Ex. S. Kelland collection |
Overall Size: | 4x3.5x3 cm |
Crystals: | 6-28 mm |
Archived: | For reference only |
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