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Andradite and Pargasite Physical Properties


Pargasite and Andradite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.70-4.10   
3.04-3.26   

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

Cleavage
none   
{110} perfect   

Mohs Hardness
6.5-7   
5-6   

Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Andradite and Pargasite Chemical Formula

While comparing Andradite and Pargasite 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 Andradite and Pargasite chemical formula.

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Andradite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Andradite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.

Green Gemstones

Green Gemstones


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