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Dolomite on Cerussite

#PD56241
SOLD
Dolomite from Tsumeb mine, Tsumeb, Namibia - PD56241
Dolomite from Tsumeb mine, Tsumeb, Namibia - PD56241

Dolomite on Cerussite

#PD56241
Availability
Sold
Size
6 x 4 x 3.5 cm - Sm Cabinet 
Formula
CaMg(CO3)2 (RRUFF)
Locality
Tsumeb mine, Tsumeb, Namibia
Tagged
carbonate

The old label on this specimen claimed this to be Otavite. It's was a possibility since the Otavite does occur on Cerussite and the crystals are similar not to mention that both are carbonates. Well, not so. This is a specimen of Cerussite with crystals 1.5cm across. The entire specimen is coated with white, rhombic micro crystals of Dolomite. It was tested. Nonetheless, still a good specimen.

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
Don Phillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Dolomite
On Dakota Matrix
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WebMineral
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