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Gypsum
Gypsum

Coral
Coral



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Gypsum
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Coral

Gypsum and Coral Physical Properties

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1 Physical Properties
1.1 Tenacity
Flexible
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.20-2.402.60-2.70
Amber
1 7.18
1.5 Fracture
Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)
Irregular, Irregular, Gemstones of the world (2001)
1.6 Cleavage
Perfect on {010}, distinct on {100}
Not Available
1.7 Mohs Hardness
23-4
Amber
2 10
1.8 Chemical Composition
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
CaCO 3Ulrich Henn and Claudio C.

Gypsum and Coral Chemical Formula

While comparing Gypsum and Coral 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 Coral chemical formula.

  • Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

Gypsum and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gypsum and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gypsum and Coral Optical Properties during the identification of gemstone. Specific gravity of Gypsum is 2.60-2.70 whereas that of Coral is 2.60-2.70.