AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Brazil > Quartz var. Smoky Quartz (Dauphiné twin) |
DESCRIPTION: | No. 82763 |
Mineral: | Quartz var. Smoky Quartz (Dauphiné twin) |
Locality: | Minas Gerais, Brazil |
Description: | Lustrous transparent smoky quartz crystal with distinct twin planes visible on the prism faces indicating twinning following the Dauphiné Law of quartz twinning. Ex. Miller collection T044; collected ca. 1989 |
Overall Size: | 29x17x8 mm |
Crystals: | 29 mm |
Archived: | For reference only |
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