AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Hampshire > Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - 
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Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline from Moat Mountain, west of North Conway, Carroll County, New Hampshire

 
Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline from Moat Mountain, west of North Conway, Carroll County, New Hampshire

Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline from Moat Mountain, west of North Conway, Carroll County, New Hampshire

Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline from Moat Mountain, west of North Conway, Carroll County, New Hampshire

Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline from Moat Mountain, west of North Conway, Carroll County, New Hampshire

Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline from Moat Mountain, west of North Conway, Carroll County, New Hampshire

Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline from Moat Mountain, west of North Conway, Carroll County, New Hampshire

DESCRIPTION:No. 71371
Mineral:Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline
Locality:Moat Mountain, west of North Conway, Carroll County, New Hampshire
Description:Lustrous transparent smoky quartz crystals over hemispherical white microcline, with etched well-defined {7181} faces on adjacent corners indicating they are twinned following the Dauphiné Law of quartz twinning. Some large crystals are incomplete. Ex. Thomas A. Penney (1934-2019) collection, collected in the 1960s-70s
Overall Size:7.5x6.5x4.5 cm
Crystals:4-20 mm
Archived: For reference only

 

 

 

 

 

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