Glaucophane and Sylvite Physical Properties

Glaucophane

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3-3.151.993

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven, Brittle

1.6 Cleavage

Good on [110] and on [001]

Perfect on [100], [010], [001]

1.7 Mohs Hardness

6.0-6.52.5

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

Not Available

Glaucophane and Sylvite Chemical Formula

While comparing Glaucophane and Sylvite 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 Sylvite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Glaucophane and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 1.993 whereas that of Sylvite is 1.993.