General Information:
Chemical Formula:CaMg(CO3)2
Composition:(Molecular Weight = 184.40 gm)Calcium 21.73 %
CaMagnesium 13.18 %
MgCarbon 13.03 %
C Oxygen 52.06 %
O Empirical Formula: CaMg(CO3)2
Name Origin:Named after the French mineralogist and geologist, D. de Dolomieu (1750-1801).
Physical Properties: Cleavage:[1011] Perfect, [1011] Perfect, [1011] Perfect
Color:white, gray, reddish white, brownish white, or gray.
Density:2.8 - 2.9, Average = 2.84
Diaphaniety:Transparent to translucent
Habits:Crystalline - Coarse - Occurs as well-formed coarse sized crystals., Massive - Uniformly indistinguishable crystals forming large masses., Blocky - Rhombohedral - Crystal shape resemb les rhomohedrons.
Hardness:3.5-4 - Copper Penny-Flourite
Luminescence:None.
Luster:Vitreous (Glassy)
Streak:white
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