Dolomite - Calcium Magnesium Carbonate
CaMg(CO3)2
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Crystal symmetry
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Trigonal rhombohedral, 3
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Lattice Constant
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ahex = 4.8012(1) Å c = 16.002 Å Z = 3
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Identification
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Color
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White
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Crystal system
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Trigonal
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Cleavage
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Perfect on {1011}, rhombohedral cleavage
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Mohs scale hardness
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3,5 to 4
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Specific gravity
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2.84 - 2.86
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Optical properties
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Uniaxial (-)
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Refractive index
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nಎ = 1.679 - 1.681 nԑ = 1.500
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Birefringence
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δ = 0.179 -0.181
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