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Sapphire and Apophyllite Physical Properties


Apophyllite and Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.03   
2.30-2.50   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Uneven, UnevenArthur Thomas, Gemstones (2009)   

Cleavage
None, but may exhibit parting   
Perfect on (001)   

Mohs Hardness
9   
4.5-5   

Chemical Composition
Al 2 O 3   
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Sapphire and Apophyllite Chemical Formula

While comparing Sapphire and Apophyllite 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 Sapphire and Apophyllite chemical formula.

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Sapphire and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.

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