AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Quartz var. Smoky Quartz (Dauphiné Law twinned)

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Quartz var. Smoky Quartz (Dauphiné Law twinned) from Devil's Head, Rampart Range, 25 km southwest of Castle Rock, Douglas County, Colorado

 
Quartz var. Smoky Quartz (Dauphiné Law twinned) from Devil's Head, Rampart Range, 25 km southwest of Castle Rock, Douglas County, Colorado

Quartz var. Smoky Quartz (Dauphiné Law twinned) from Devil's Head, Rampart Range, 25 km southwest of Castle Rock, Douglas County, Colorado

Quartz var. Smoky Quartz (Dauphiné Law twinned) from Devil's Head, Rampart Range, 25 km southwest of Castle Rock, Douglas County, Colorado

Quartz var. Smoky Quartz (Dauphiné Law twinned) from Devil's Head, Rampart Range, 25 km southwest of Castle Rock, Douglas County, Colorado

Quartz var. Smoky Quartz (Dauphiné Law twinned) from Devil's Head, Rampart Range, 25 km southwest of Castle Rock, Douglas County, Colorado

Quartz var. Smoky Quartz (Dauphiné Law twinned) from Devil's Head, Rampart Range, 25 km southwest of Castle Rock, Douglas County, Colorado

Quartz var. Smoky Quartz (Dauphiné Law twinned) from Devil's Head, Rampart Range, 25 km southwest of Castle Rock, Douglas County, Colorado

Quartz var. Smoky Quartz (Dauphiné Law twinned) from Devil's Head, Rampart Range, 25 km southwest of Castle Rock, Douglas County, Colorado

DESCRIPTION:No. 76372
Mineral:Quartz var. Smoky Quartz (Dauphiné Law twinned)
Locality:Devil's Head, Rampart Range, 25 km southwest of Castle Rock, Douglas County, Colorado
Description:Very large lustrous transparent-to-translucent smoky quartz crystals with complex suture patterns on the prism faces, indicating twinning following the Dauphiné Law of quartz twinning. A smaller incomplete smoky quartz crystal intersected one edge.
Overall Size:14x8x3.5 cm
Crystals:40-140 mm
Archived: For reference only

 

 

 

 

 

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