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Gahnite and Dolomite Physical Properties


Dolomite and Gahnite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Poorly soluble in dilute HCl   

Durability
Not Available   
Not Available   

Specific Gravity
4.00-4.62   
2.80-2.95   

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

Cleavage
Indistinct parting on [111]   
Perfect on {10 1 1}, rhombohedral cleavage   

Mohs Hardness
7.5-8   
3.5-4   

Chemical Composition
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
CaMg(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Gahnite and Dolomite Chemical Formula

While comparing Gahnite and Dolomite 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 Gahnite and Dolomite chemical formula.

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Gahnite and Dolomite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Dolomite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Dolomite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 2.80-2.95 whereas that of Dolomite is 2.80-2.95.

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