Sample # |
22 |
Mineral
Name |
DOLOMITE |
Chemical Composition |
CaMg(CO3)2 |
Luster |
Vitreous
to pearly, dull |
Color(s) |
Usually
white or yellow-brown, buff, grey, pinkish |
Streak Color |
White |
Specifc Gravity |
2.8-2.9 |
Habit |
Massive,
curved rhombohedra |
Cleavage/Fracture |
Perfect rhombohedral/Subconchoidal |
Hardness |
3.5-4 |
Diagnostic Feature(s) | React with dilute acid only if powdered or acid is warm, pink-brown color, cleavage, habit |