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Muscovite and Andradite Physical Properties


Andradite and Muscovite Physical Properties


Physical Properties

Tenacity
Elastic   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.78-2.88   
3.70-4.10   

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

Cleavage
Perfect on the {001}   
none   

Mohs Hardness
2-3   
6.5-7   

Chemical Composition
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references   
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Muscovite and Andradite Chemical Formula

While comparing Muscovite and Andradite 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 Muscovite and Andradite chemical formula.

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Muscovite and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Andradite Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 3.70-4.10 whereas that of Andradite is 3.70-4.10.

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