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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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1 Physical Properties
1.1 Tenacity
Not Available
Flexible
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.60-2.852.20-2.40
Amber
1 7.18
1.5 Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
none
Perfect on {010}, distinct on {100}
1.7 Mohs Hardness
2.5-4.52
Amber
2 10
1.8 Chemical Composition
Not Available
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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  • Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

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 and Gypsum Optical Properties during the identification of gemstone. Specific gravity of Pearl is 2.20-2.40 whereas that of Gypsum is 2.20-2.40.