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Gypsum
Gypsum

Kyanite
Kyanite



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Gypsum
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Kyanite

Gypsum and Kyanite 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
-
-
3.53-3.65
Splintery
[100] perfect [010] imperfect with 79° angle between
4-7
Al2SiO5

Gypsum and Kyanite Chemical Formula

While comparing Gypsum and Kyanite 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 Kyanite chemical formula.

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Gypsum and Kyanite Specific Gravity

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