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Dolomite and Hackmanite Physical Properties


Hackmanite 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   
2.27-2.33   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   

Cleavage
Perfect on {10 1 1}, rhombohedral cleavage   
Not Available   

Mohs Hardness
3.5-4   
5.5-6   

Chemical Composition
CaMg(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Dolomite and Hackmanite Chemical Formula

While comparing Dolomite and Hackmanite 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 Hackmanite chemical formula.

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Dolomite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dolomite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dolomite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Dolomite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.

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