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Anorthite and Powellite Physical Properties


Powellite and Anorthite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.77   
4.23   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   

Cleavage
Perfect [001] good [010] poor [110]   
{111} Distinct   

Mohs Hardness
6-6.5   
3.5-4   

Chemical Composition
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)   
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Anorthite and Powellite Chemical Formula

While comparing Anorthite and Powellite 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 Anorthite and Powellite chemical formula.

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Anorthite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anorthite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Anorthite is 4.23 whereas that of Powellite is 4.23.

Red Gemstones

Red Gemstones


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