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Anorthite and Foitite Physical Properties


Foitite and Anorthite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.77   
3.17   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Handbook of mineralogy (2001)   

Cleavage
Perfect [001] good [010] poor [110]   
None   

Mohs Hardness
6-6.5   
7   

Chemical Composition
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)   
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Anorthite and Foitite Chemical Formula

While comparing Anorthite and Foitite 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 Foitite chemical formula.

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Anorthite and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anorthite and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthite and Foitite Optical Properties during the identification of gemstone. Specific gravity of Anorthite is 3.17 whereas that of Foitite is 3.17.

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Red Gemstones


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