AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from France > Cassiterite var. Cyclic-twin |
DESCRIPTION: | No. 36419 |
Mineral: | Cassiterite var. Cyclic-twin |
Locality: | La Villeder, Morbihan, France |
Description: | Lustrous translucent brown cassiterite crystals intergrown with colorless quartz. The cassiterite crystals are repeatedly twinned at 60 degree angles forming a three-sided cyclic twin. Ex. Calvert collection |
Overall Size: | 4x3.5x2.5 cm |
Crystals: | 15-25 mm |
Archived: | For reference only |
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