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Andradite and Mottramite Physical Properties


Mottramite and Andradite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.70-4.10   
5.9   

Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)   
Sub-Conchoidal, Brittle, Metallic   

Cleavage
none   
None observed   

Mohs Hardness
6.5-7   
3   

Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   
Not Available   

Optical Properties >>
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Andradite and Mottramite Chemical Formula

While comparing Andradite and Mottramite 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 Mottramite chemical formula.

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Andradite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Andradite is 5.9 whereas that of Mottramite is 5.9.

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