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Dolomite with Marcasite

#AH64483

Dolomite with Marcasite

#AH64483
Availability
Available
Price
$20.00
Size
5 x 3.5 x 2 cm - Miniature 
Formula
CaMg(CO3)2 (RRUFF)
Locality
Lincoln quarry, Beamsville, Ontario, Canada
Tagged
carbonate

Light pink curved rhombohedra with tiny crystals of Marcasite and a Calcite crystal perched nicely at the center.

Dolomite

Formula
CaMg(CO3)2 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Massive, Blocky - Rhombohedral 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
white, gray, reddish white, brownish white, gray 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 

Data courtesy of Webmineral.

Collection
Arnold G Hampson Collection
Mineralpedia
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