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Quartz in Anhydrite

#52513

Quartz in Anhydrite

#52513
Availability
Sold
Size
6 x 4 x 3 cm - Sm Cabinet 
Formula
SiO2 (RRUFF)
Locality
Monte Rosso, Castlenuovo Monti, Reggio Emilia, Italia

Deep smoky Quartz (1.4mm) crystal exposed from Anhydrite matrix. These recently made the front cover of Lapis. It is incredible how deep smoky color it is. I would actually call it black. This stuff made the cover of Lapis Jan. 2020

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.

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