|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Hampshire > Quartz var. Smoky Quartz (Dauphiné-law twinned)
|Quartz var. Smoky Quartz (Dauphiné-law twinned)
|Moat Mountain, west of North Conway, Carroll County, New Hampshire
|Doubly-terminated transparent smoky quartz crystals with lustrous faces that have suture patterns indicating they are twinned following the Dauphine Law of quartz twinning. Internally the smoky quartz crystal is nearly flawless with silky terminations. Ex. Thomas A. Penney (1934-2019) collection, collected in the 1960s-70s.
|For reference only
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