AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Hampshire > Quartz var. Smoky Quartz (Dauphiné Law Twins) |
DESCRIPTION: | No. 62602 |
Mineral: | Quartz var. Smoky Quartz (Dauphiné Law Twins) |
Locality: | Moat Mountain, west of North Conway, Carroll County, New Hampshire |
Description: | Elongated cluster of many intergrown subparallel transparent smoky quartz crystals with lustrous faces exhibiting twin-plane suture patterns indicating it is repeatedly twinned following the Dauphiné Law of quartz twinning. Ex. Thomas A. Penney (1934-2019) collection, collected in the 1960s-70s. |
Overall Size: | 14x5x2.5 cm |
Crystals: | 20-90 mm |
Archived: | For reference only |
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