AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Namibia > Fluorite (Spinel Law twinned) |
DESCRIPTION: | No. 82175 |
Mineral: | Fluorite (Spinel Law twinned) |
Locality: | Erongo Mountains, 20 km north of Usakos, Damaraland, Namibia |
Description: | Unusual cluster of intersecting fluorite crystals that are twinned on the {111} plane following the Spinel Law of Isometric Twinning. The fluorite crystals are transparent bluish-purple, with deepest color in the outer layers, with elongated form. |
Overall Size: | 28x17x9 mm |
Crystals: | 7-25 mm |
Archived: | For reference only |
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