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Pearl
Pearl

Gypsum
Gypsum



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Pearl
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Gypsum

Pearl and Gypsum Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.60-2.85
-
none
2.5-4.5
CaCO3
 
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)

Pearl and Gypsum Chemical Formula

While comparing Pearl 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 Pearl and Gypsum chemical formula.

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Pearl and Gypsum Specific Gravity

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