AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Peru > Sphalerite (Spinel-law twinned crystals) |
DESCRIPTION: | No. 51564 |
Mineral: | Sphalerite (Spinel-law twinned crystals) |
Locality: | Pachapaqui District, Bolognesi Province, Ancash Department, Peru |
Description: | Lustrous black complexly crystallized sphalerite repeatedly twinned following the Spinel Law of twinning resulting in striated appearance on the crystal faces. Ex. Larry Krause (1945-2010) collection |
Overall Size: | 5x4x2.5 cm |
Crystals: | 3-28 mm |
Archived: | For reference only |
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