Glaucophane and Shigaite Physical Properties

Glaucophane

Shigaite

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1 Physical Properties

1.1 Tenacity

Not Available

Moderately ﬂexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3-3.152.32

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Flexible Flexible fragments.

1.6 Cleavage

Good on [110] and on [001]

Perfect on {0001}

1.7 Mohs Hardness

6.0-6.52

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

Not Available

Glaucophane and Shigaite Chemical Formula

While comparing Glaucophane and Shigaite 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 Shigaite chemical formula.

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

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Glaucophane and Shigaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 2.32 whereas that of Shigaite is 2.32.