Cat s Eye and Afghanite Physical Properties

Cat s Eye

Afghanite

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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

3.5-3.82.55-2.65

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

1,1 ; 3,2

Perfect {10 1 0}

1.7 Mohs Hardness

8.55.5-6

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Cat s Eye and Afghanite Chemical Formula

While comparing Cat s Eye and Afghanite 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 Afghanite chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

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Cat s Eye and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.