Kyanite and Phlogopite Physical Properties

Kyanite

Phlogopite

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1 Physical Properties

1.1 Tenacity

Brittle

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.652.78-2.85

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

None, Uneven

1.6 Cleavage

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

Perfect basal (001)

1.7 Mohs Hardness

4-72-2.5

2 10

1.8 Chemical Composition

Not Available

Kyanite and Phlogopite Chemical Formula

While comparing Kyanite and Phlogopite 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 Phlogopite chemical formula.

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Kyanite and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.