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Andradite and Danburite Physical Properties


Danburite and Andradite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.70-4.10   
2.97-3.03   

Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
none   
{001} Poor   

Mohs Hardness
6.5-7   
7   

Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Andradite and Danburite Chemical Formula

While comparing Andradite and Danburite 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 Danburite chemical formula.

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Andradite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Andradite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.

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Green Gemstones


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