Cat s Eye and Bertrandite Physical Properties

Cat s Eye

Bertrandite

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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

3.5-3.82.59-2.60

1 7.18

1.5 Fracture

Not Available

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

1,1 ; 3,2

{001} Perfect, {110} Distinct, {101} Distinct

1.7 Mohs Hardness

8.56-7

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Cat s Eye and Bertrandite Chemical Formula

While comparing Cat s Eye and Bertrandite 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 Bertrandite chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Cat s Eye and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.