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Pargasite and Foitite Physical Properties


Foitite and Pargasite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.04-3.26   
3.17   

Fracture
Splintery, Brittle, Uneven   
Handbook of mineralogy (2001)   

Cleavage
{110} perfect   
None   

Mohs Hardness
5-6   
7   

Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael 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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Pargasite and Foitite Chemical Formula

While comparing Pargasite 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 Pargasite and Foitite chemical formula.

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Pargasite and Foitite Specific Gravity

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

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Green Gemstones


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