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Quartz var. amethyst

#45797
SOLD
Quartz from Basin Creek, Jefferson Co., Montana, United States - 45797
Quartz from Basin Creek, Jefferson Co., Montana, United States - 45797

Quartz var. amethyst

#45797
Availability
Sold
Size
5 x 3.5 x 3 cm - Miniature 
Formula
SiO2 (RRUFF)
Locality
Basin Creek, Jefferson Co., Montana, United States

Beautiful multiple peaked amethyst group with three main crystals and a smaller at the base. The large crystals carry a nice deep purple color in places with each showing negative growth to some degree. There is a detachment point at the base. Excellent specimen found 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
7 

Data courtesy of Webmineral.

Collection
Chris van Laer Collection
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