Adularia and Kyanite Physical Properties

Adularia

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

2.54-2.61

3.53-3.65

1.5 Fracture

Not Available

Splintery, Brittle, Metallic

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

4-7

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Adularia and Kyanite Chemical Formula

While comparing Adularia 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 Adularia and Kyanite chemical formula.

Chemical formula of Adularia- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Adularia and Kyanite Specific Gravity

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