Realgar and Cat s Eye Physical Properties

Realgar

Cat s Eye

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.563.5-3.8

1 7.18

1.5 Fracture

(e.g. graphite).

Not Available

1.6 Cleavage

{010} Good

1,1 ; 3,2

1.7 Mohs Hardness

Not Available8.5

2 10

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

BeAl ₂ O ₄

Realgar and Cat s Eye Chemical Formula

While comparing Realgar and Cat s Eye 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 Cat s Eye chemical formula.

Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cat s Eye- BeAl ₂ O ₄

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Realgar and Cat s Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Realgar and Cat s Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Realgar and Cat s Eye Optical Properties during the identification of gemstone. Specific gravity of Realgar is 3.5-3.8 whereas that of Cat s Eye is 3.5-3.8.