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Mellite
Mellite

Gypsum
Gypsum



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Mellite
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Gypsum

Mellite and Gypsum Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.58-1.60
Conchoidal
{011} Imperfect
2
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
 
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)

Mellite and Gypsum Chemical Formula

While comparing Mellite 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 Mellite and Gypsum chemical formula.

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Mellite and Gypsum Specific Gravity

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