Kyanite and Nuummite Physical Properties

Kyanite

Nuummite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.653.18-3.37

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Conchoidal

1.6 Cleavage

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

Perfect on 210

1.7 Mohs Hardness

4-75.5-6

2 10

1.8 Chemical Composition

Not Available

Kyanite and Nuummite Chemical Formula

While comparing Kyanite and Nuummite 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 Nuummite chemical formula.

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Kyanite and Nuummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.