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Adamite and Andradite Physical Properties


Andradite and Adamite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.32-4.48   
3.70-4.10   

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

Cleavage
{101}, good; {010}, poor   
none   

Mohs Hardness
3.5   
6.5-7   

Chemical Composition
Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)   
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Adamite and Andradite Chemical Formula

While comparing Adamite 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 Adamite and Andradite chemical formula.

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Adamite and Andradite Specific Gravity

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

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