Gypsum and Glaucophane Physical Properties

Gypsum

Glaucophane

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1 Physical Properties

1.1 Tenacity

Flexible

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.403-3.15

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect on {010}, distinct on {100}

Good on [110] and on [001]

1.7 Mohs Hardness

26.0-6.5

2 10

1.8 Chemical Composition

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

[ ]Na2(Mg3Al2)Si8O22(OH)2

Gypsum and Glaucophane Chemical Formula

While comparing Gypsum and Glaucophane 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 Glaucophane chemical formula.

Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Gypsum and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gypsum and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gypsum and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Gypsum is 3-3.15 whereas that of Glaucophane is 3-3.15.