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White Opal and Andradite Physical Properties


Andradite and White Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.50   
3.70-4.10   

Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)   
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Not Available   
none   

Mohs Hardness
5.5-6.5   
6.5-7   

Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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White Opal and Andradite Chemical Formula

While comparing White Opal 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 White Opal and Andradite chemical formula.

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White Opal and Andradite Specific Gravity

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

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