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Sapphire and Moonstone Physical Properties


Moonstone 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   
2.56-2.60   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
None, but may exhibit parting   
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal   

Mohs Hardness
9   
6-6.5   

Chemical Composition
Al 2 O 3   
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8   

Optical Properties >>
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Sapphire and Moonstone Chemical Formula

While comparing Sapphire and Moonstone 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 Moonstone chemical formula.

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Sapphire and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.

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