| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Hampshire > Quartz var. Amethyst-Smoky Quartz |
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| DESCRIPTION: | No. 71354 |
| Mineral: | Quartz var. Amethyst-Smoky Quartz |
| Locality: | Black Cap Mountain, east of North Conway, Carroll County, New Hampshire |
| Description: | Cluster of many lustrous transparent-to-translucent smoky quartz crystals with color that varies from smoky-gray to purple amethyst. The surfaces of the smoky-amethyst crystals have partial overgrowth of brown microcrystals, possibly goethite. Ex. Thomas A. Penney (1934-2019) collection, collected in the 1960s-70s |
| Overall Size: | 7.5x5.5x3 cm |
| Crystals: | 10-35 mm |
| Archived: | For reference only |
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