Cat s Eye and Poudretteite Physical Properties

Cat s Eye

Poudretteite

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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

3.5-3.82.51-2.53

1 7.18

1.5 Fracture

Not Available

Conchoidal, Splintery

1.6 Cleavage

1,1 ; 3,2

None

1.7 Mohs Hardness

8.55

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Cat s Eye and Poudretteite Chemical Formula

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

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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Cat s Eye and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.