Mottramite and Kyanite Physical Properties

Mottramite

Kyanite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.93.53-3.65

1 7.18

1.5 Fracture

Sub-Conchoidal, Brittle, Metallic

Splintery, Brittle, Metallic

1.6 Cleavage

None observed

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

1.7 Mohs Hardness

34-7

2 10

1.8 Chemical Composition

Not Available

Mottramite and Kyanite Chemical Formula

While comparing Mottramite 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 Mottramite and Kyanite chemical formula.

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Mottramite and Kyanite Specific Gravity

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