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Coral
Coral
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Gypsum
Gypsum
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Coral
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Gypsum

Coral and Gypsum Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.60-2.70
Irregular
None
3-4
CaCO 3Ulrich 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)

Coral and Gypsum Chemical Formula

While comparing Coral 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 Coral and Gypsum chemical formula.

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Coral and Gypsum Specific Gravity

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