Kyanite and Glaucophane Physical Properties

Kyanite

Glaucophane

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.653-3.15

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

[100] perfect [010] imperfect with 79° angle between

Good on [110] and on [001]

1.7 Mohs Hardness

4-76.0-6.5

2 10

1.8 Chemical Composition

Not Available

[ ]Na2(Mg3Al2)Si8O22(OH)2

Kyanite and Glaucophane Chemical Formula

While comparing Kyanite 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 Kyanite and Glaucophane chemical formula.

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

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Kyanite and Glaucophane Specific Gravity

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