Glaucophane and Kyanite Physical Properties

Glaucophane

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3-3.153.53-3.65

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Splintery, Brittle, Metallic

1.6 Cleavage

Good on [110] and on [001]

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

1.7 Mohs Hardness

6.0-6.54-7

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

Not Available

Glaucophane and Kyanite Chemical Formula

While comparing Glaucophane and Kyanite 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 Kyanite chemical formula.

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

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Glaucophane and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.