Violane and Gypsum Physical Properties

Violane

Gypsum

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1 Physical Properties

2.2 Tenacity

Not Available

Flexible

2.3 Solubility

Not Available

Soluble

2.5 Durability

Not Available

2.7 Specific Gravity

3.22-3.402.20-2.40

1 7.18

2.10 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)

2.12 Cleavage

Not Available

Perfect on {010}, distinct on {100}

2.14 Mohs Hardness

5-62

2 10

2.16 Chemical Composition

(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Violane and Gypsum Chemical Formula

While comparing Violane 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 Violane and Gypsum chemical formula.

Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

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Violane and Gypsum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Violane and Gypsum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Violane and Gypsum Optical Properties during the identification of gemstone. Specific gravity of Violane is 2.20-2.40 whereas that of Gypsum is 2.20-2.40.