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Smithsonite and Sapphire Physical Properties


Sapphire and Smithsonite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
4.00-4.65   
3.95-4.03   

Fracture
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
Perfect on [1011]   
None, but may exhibit parting   

Mohs Hardness
5-5.5   
9   

Chemical Composition
ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Al 2 O 3   

Optical Properties >>
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Smithsonite and Sapphire Chemical Formula

While comparing Smithsonite and Sapphire 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 Smithsonite and Sapphire chemical formula.

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Smithsonite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.

Green Gemstones

Green Gemstones


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