|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Hampshire > Quartz var. Smoky Quartz (Dauphiné-law twin) with Muscovite
|Quartz var. Smoky Quartz (Dauphiné-law twin) with Muscovite
|Moat Mountain, west of North Conway, Carroll County, New Hampshire
|Lustrous parallel transparent smoky quartz crystals with silvery bladed muscovite mica crystals intersecting the middle. The smoky quartz has complex suture patterns on the prism faces indicating twinning following the Dauphiné Law of quartz twinning. Ex. Thomas A. Penney (1934-2019) collection, collected in the 1960s-70s
|For reference only
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