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Emerald and Gypsum Physical Properties


Gypsum and Emerald Physical Properties


Physical Properties

Tenacity
Not Available   
Flexible   

Solubility
Not Available   
Soluble   

Durability
Hard   
Not Available   

Specific Gravity
2.67-2.78   
2.20-2.40   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)   

Cleavage
Imperfect on the [0001]   
Perfect on {010}, distinct on {100}   

Mohs Hardness
7.5-8   
2   

Chemical Composition
Be3Al2SiO6   
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Emerald and Gypsum Chemical Formula

While comparing Emerald and Gypsum 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 Emerald and Gypsum chemical formula.

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Emerald and Gypsum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Gypsum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Gypsum Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.20-2.40 whereas that of Gypsum is 2.20-2.40.

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