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Spinel and Moldavite Physical Properties


Moldavite and Spinel Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
none   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.64-3.66   
2.32-2.38   

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

Cleavage
None, but may exhibit slight parting   
Not Available   

Mohs Hardness
8   
5.5   

Chemical Composition
MgAl2O4   
SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)   

Optical Properties >>
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Spinel and Moldavite Chemical Formula

While comparing Spinel and Moldavite 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 Spinel and Moldavite chemical formula.

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Spinel and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.

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