Sylvite and Glaucophane Physical Properties

Sylvite

Glaucophane

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9933-3.15

1 7.18

1.5 Fracture

Uneven, Brittle

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

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

Good on [110] and on [001]

1.7 Mohs Hardness

2.56.0-6.5

2 10

1.8 Chemical Composition

Not Available

[ ]Na2(Mg3Al2)Si8O22(OH)2

Sylvite and Glaucophane Chemical Formula

While comparing Sylvite 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 Sylvite and Glaucophane chemical formula.

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

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Sylvite and Glaucophane Specific Gravity

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