Gypsum and Hauyne Physical Properties

Gypsum

Hauyne

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1 Physical Properties

1.1 Tenacity

Flexible

Brittle

1.2 Solubility

Soluble

Gelatinises in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.402.4-2.5

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Brittle

1.6 Cleavage

Perfect on {010}, distinct on {100}

Distinct on {110}

1.7 Mohs Hardness

25-6

2 10

1.8 Chemical Composition

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

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

Gypsum and Hauyne Chemical Formula

While comparing Gypsum and Hauyne 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 Hauyne chemical formula.

Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

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Gypsum and Hauyne Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gypsum and Hauyne Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gypsum and Hauyne Optical Properties during the identification of gemstone. Specific gravity of Gypsum is 2.4-2.5 whereas that of Hauyne is 2.4-2.5.