Cat s Eye and Sard Physical Properties

Cat s Eye

Sard

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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

3.5-3.82.58-2.63

1 7.18

1.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

1,1 ; 3,2

Not Available

1.7 Mohs Hardness

8.56.5-7

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

SiO 2Ulrich Henn and Claudio C.

Cat s Eye and Sard Chemical Formula

While comparing Cat s Eye and Sard 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 Sard chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

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Cat s Eye and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Sard Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 2.58-2.63 whereas that of Sard is 2.58-2.63.