AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Switzerland > Quartz var. Smoky Quartz (Dauphiné-law twin)

Quartz var. Smoky Quartz (Dauphiné-law twin) from Piz Gendusas, Strem Valley, Tujetsch, Grischun, Switzerland

DESCRIPTION:	No. 59115
Mineral:	Quartz var. Smoky Quartz (Dauphiné-law twin)
Locality:	Piz Gendusas, Strem Valley, Tujetsch, Grischun, Switzerland
Description:	Two parallel lustrous transparent smoky quartz crystals that have flawless areas in the crystal terminations. The smoky quartz crystals are twinned following the Dauphine Law of quartz twinning, as indicated by S-faces face {2111} on adjacent comers. Ex. Gene Tribbey collection #1298; ex. Kermit Petersen in 1971
Overall Size:	7.5x2.5x2.5 cm
Crystals:	50-55 mm
Archived:	For reference only

The minerals illustrated on this site are presented for reference purposes only. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this museum. Please contact the property owner to obtain legal permission before entering private property. ;