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Mixed Minerals

Friday, 01 December 2017 07:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including quartz and more from places like Black Pine mine, Philipsburg, Granite Co., Montana, United States.

Quartz

(Japan Law twins) - #48042
Locality
Black Pine mine, Philipsburg, Granite Co., Montana, United States 
Formula
SiO2 
Availability
Available
Price
$85.00
Size
4.5 x 3 x 2 cm - Miniature 

Fantastic double Quartz specimen with several Japan-law twins to the main crystal. The large crystal is 4cm and has slight knick to the termination. The smaller crystals twinned to the main are about 8mm. Sits well by itself perfectly.


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
Collection
Chris van Laer Collection
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