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V - Carbonates		 Crystal habit of Dolomite Dolomite Dolomite
 
Name   Dolomite
Chemistry   CaMg[CO3]2
Hardness   3.5 - 4
Lustre   vitreous
Colour   colourless, white, yellow, brown
Streak   white 
Density [g/cm3]   2.9
Crystal habit   trigonal, crystals rhombohedral, twins
Cleavage, Fracture   [1011] perfect, fracture conchoidal
other characteristics and occurrences   granular, prismatic, in crusts, often rock forming, crystals saddle shaped curved
reacts with warm acid (HCl) only (cf. calcite)
   
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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