AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Montana > 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 - Fine Minerals.com and Allminerals.com

   

Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline from Butte District, Silver Bow County, Montana

 
Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline from Butte District, Silver Bow County, Montana

Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline from Butte District, Silver Bow County, Montana

Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline from Butte District, Silver Bow County, Montana

Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline from Butte District, Silver Bow County, Montana

DESCRIPTION:No. 66776
Mineral:Quartz var. Smoky Quartz (Dauphiné Law Twins) on Microcline
Locality:Butte District, Silver Bow County, Montana
Description:Lustrous transparent smoky quartz crystals, on blocky microcline crystals, with many complex suture patterns on the prism faces indicating the smoky quartz crystal is twinned following the Dauphiné Law of quartz twinning. Collected ca. 1985
Overall Size:28x20x14 mm
Crystals:8-17 mm
Archived: For reference only

 

 

 

 

 

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