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Gypsum
Gypsum

Sylvite
Sylvite



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Gypsum
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Sylvite

Gypsum and Sylvite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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)
 
Brittle
Soluble
-
1.993
Uneven
Perfect on [100], [010], [001]
2.5
KCl

Gypsum and Sylvite Chemical Formula

While comparing Gypsum and Sylvite 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 Gypsum and Sylvite chemical formula.

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Gypsum and Sylvite Specific Gravity

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