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Quartz with Microcline, Albite

#46993

Quartz with Microcline, Albite

#46993
Availability
Available
Price
$45.00
Size
5 x 4 x 3.5 cm - Miniature 
Formula
SiO2 (RRUFF)
Locality
Jefferson Co., Montana, United States

A nice combination specimen collected in 2008 by Zach Johnson, a famed, local collecter. It is composed of smoky Quartz, Microcline, Albite, and minor Epidote. There is possible laumontite, Titanite, and/or Axinite.

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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