Realgar and Kyanite Physical Properties

Realgar

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.563.53-3.65

1 7.18

1.5 Fracture

(e.g. graphite).

Splintery, Brittle, Metallic

1.6 Cleavage

{010} Good

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

1.7 Mohs Hardness

Not Available4-7

2 10

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Realgar and Kyanite Chemical Formula

While comparing Realgar 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 Realgar and Kyanite chemical formula.

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

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Realgar Vs Rutile

Realgar Vs Ruby

Realgar and Kyanite Specific Gravity

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