Selenite and Kyanite Physical Properties

Selenite

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

Not Available3.53-3.65

1 7.18

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

24-7

2 10

1.8 Chemical Composition

Not Available

Selenite and Kyanite Chemical Formula

While comparing Selenite 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 Selenite and Kyanite chemical formula.

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Selenite and Kyanite Specific Gravity

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