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Sapphire and Jade Physical Properties


Jade 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   
2.90-3.38   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Gemstones of the world (2001), Difficult, Splintery   

Cleavage
None, but may exhibit parting   
1 or 2,2 prismatic.   

Mohs Hardness
9   
6-7   

Chemical Composition
Al 2 O 3   
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6   

Optical Properties >>
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Sapphire and Jade Chemical Formula

While comparing Sapphire and Jade 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 Jade chemical formula.

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Sapphire and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Jade Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.90-3.38 whereas that of Jade is 2.90-3.38.

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