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Dolomite and Variscite Physical Properties


Variscite and Dolomite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Poorly soluble in dilute HCl   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.80-2.95   
2.42-2.58   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle   

Cleavage
Perfect on {10 1 1}, rhombohedral cleavage   
[010] perfect   

Mohs Hardness
3.5-4   
4-5   

Chemical Composition
CaMg(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
AlPO4 · 2(H2O)   

Optical Properties >>
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Dolomite and Variscite Chemical Formula

While comparing Dolomite and Variscite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Dolomite and Variscite chemical formula.

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Dolomite and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dolomite and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dolomite and Variscite Optical Properties during the identification of gemstone. Specific gravity of Dolomite is 2.42-2.58 whereas that of Variscite is 2.42-2.58.

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