Kyanite and Realgar Physical Properties

Kyanite

Realgar

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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

3.53-3.653.56

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

(e.g. graphite).

1.6 Cleavage

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

{010} Good

1.7 Mohs Hardness

4-7Not Available

2 10

1.8 Chemical Composition

Not Available

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Kyanite and Realgar Chemical Formula

While comparing Kyanite and Realgar 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 Realgar chemical formula.

Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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Kyanite and Realgar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Realgar Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 3.56 whereas that of Realgar is 3.56.