|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Hampshire > Quartz var. Smoky Quartz (Dauphiné Law Twins)
|Quartz var. Smoky Quartz (Dauphiné Law Twins)
|Government Pit, south of Moat Mountain, Albany, Carroll County, New Hampshire
|Lustrous transparent smoky quartz crystals on an earlier generation of gray quartz crystals. The smoky quartz crystals are twinned following the Dauphine Law of quartz twinning, with many suture lines visible on the prism faces.
|For reference only
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