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Selenite
Selenite

Gypsum
Gypsum



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Selenite
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Gypsum

Selenite and Gypsum Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Perfect
2
CaSO4·2H2O
 
Flexible
Soluble
-
2.20-2.40
Conchoidal, Splintery, Fibrous
Perfect on {010}, distinct on {100}
2
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Selenite and Gypsum Chemical Formula

While comparing Selenite 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 Selenite and Gypsum chemical formula.

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Selenite and Gypsum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Selenite and Gypsum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Selenite Vs Gypsum during the identification of gemstone. Specific gravity of Selenite is whereas that of Gypsum is .