Shigaite and Glaucophane Physical Properties

Shigaite

Glaucophane

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.323-3.15

1 7.18

1.5 Fracture

Flexible Flexible fragments.

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect on {0001}

Good on [110] and on [001]

1.7 Mohs Hardness

26.0-6.5

2 10

1.8 Chemical Composition

Not Available

[ ]Na2(Mg3Al2)Si8O22(OH)2

Shigaite and Glaucophane Chemical Formula

While comparing Shigaite 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 Shigaite and Glaucophane chemical formula.

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

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Shigaite and Glaucophane Specific Gravity

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