Glaucophane and Gypsum Physical Properties

Glaucophane

Gypsum

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3-3.152.20-2.40

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

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

1.6 Cleavage

Good on [110] and on [001]

Perfect on {010}, distinct on {100}

1.7 Mohs Hardness

6.0-6.52

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

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

Glaucophane and Gypsum Chemical Formula

While comparing Glaucophane 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 Glaucophane and Gypsum chemical formula.

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

Compare Blue Gemstones

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Glaucophane and Gypsum Specific Gravity

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