|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Hampshire > Quartz var. Smoky Quartz (Dauphiné-law twins) on Microcline
|Quartz var. Smoky Quartz (Dauphiné-law twins) on Microcline
|Moat Mountain, Hales Location, west of North Conway, Carroll County, New Hampshire
|Portion of the wall of a miarolitic cavity with blocky white microcline feldspar crystals to 16 mm intermixed with lustrous transparent dark-smoky quartz crystals to 16 mm that are Dauphine-law twinned. Ex. Thomas A. Penney (1934-2019) collection, collected in the 1960s-70s.
|For reference only
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