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0 item @ $0.00  

Dolomite with Sphalerite

#AH51764

Dolomite with Sphalerite

#AH51764
Availability
Sold
Size
6 x 5 x 3 cm - Sm Cabinet 
Formula
CaMg(CO3)2 (RRUFF)
Locality
Eagle mine, Gilman, Eagle Co., Colorado, United States
Tagged
carbonate

Sharp creamy rhombic Dolomite crystals from 6 to 11mm on edge. One the crystals, as seen in the last photo, has a small black Sphalerite crystal at the center of a seemingly incomplete crystal of Dolomite. The rest of the Sphalerite comprises the matrix and is also sharp with a deep black color.

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
View Dolomite
On Dakota Matrix
Previously Sold Dolomite
On Dakota Matrix
Other Available Dolomite
WebMineral
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Mindat
View Dolomite

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