Kyanite and Halite Physical Properties

Kyanite

Halite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Water-soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.652.17

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Conchoidal, Brittle, Metallic

1.6 Cleavage

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

Perfect {001}, three directions cubic

1.7 Mohs Hardness

4-72.0-2.5

2 10

1.8 Chemical Composition

Not Available

NaCl

Kyanite and Halite Chemical Formula

While comparing Kyanite and Halite 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 Halite chemical formula.

Chemical formula of Halite- NaCl

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Kyanite and Halite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Halite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.17 whereas that of Halite is 2.17.