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2 items @ $85.00  

Quartz var. amethyst

#45562

Quartz var. amethyst

#45562
Availability
Sold
Size
3 x 1.2 x 1.5 cm - Thumbnail 
Formula
SiO2 (RRUFF)
Locality
Boulder Batholith, Silver Bow Co., Montana, United States

A rich deep purple single crystal showing excellent skeletal growth on two faces. Excellent gemmy specimen. Obtained by Chris van Laer in 2004.

Quartz

Formula
SiO2 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Druse, Crystalline - Fine 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, violet, gray, yellow 
Streak
white 
Class
Trigonal - Trapezohedral 
Fracture
Conchoidal 
Hardness

Data courtesy of Webmineral.

Collection
Chris van Laer Collection
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