Cat s Eye and Esperite Physical Properties

Cat s Eye

Esperite

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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

3.5-3.84.28-4.42

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic

1.6 Cleavage

1,1 ; 3,2

Distinct on [010] and [100] poor on [101]

1.7 Mohs Hardness

8.55-5.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Cat s Eye and Esperite Chemical Formula

While comparing Cat s Eye and Esperite 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 Esperite chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

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Cat s Eye and Esperite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Esperite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Esperite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 4.28-4.42 whereas that of Esperite is 4.28-4.42.