| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Quartz var. Smoky Quartz (Dauphiné twin) |
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| DESCRIPTION: | No. 82655 |
| Mineral: | Quartz var. Smoky Quartz (Dauphiné twin) |
| Locality: | Lake George District, Park County, Colorado |
| Description: | Lustrous transparent smoky quartz crystal with distinct twin planes visible on the prism faces indicating twinning following the Dauphiné Law. The terminations have small pitting where another mineral formed with the quartz and later dissolved away. Ex. Miller collection T1820; collected 1989 |
| Overall Size: | 30x12x8 mm |
| Crystals: | 30 mm |
| Archived: | For reference only |
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