Thulite and Cat s Eye Physical Properties

Thulite

Cat s Eye

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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

3.13.5-3.8

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

Perfect {010} imperfect {100}

1,1 ; 3,2

1.7 Mohs Hardness

6-78.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

BeAl ₂ O ₄

Thulite and Cat s Eye Chemical Formula

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

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Cat s Eye- BeAl ₂ O ₄

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Thulite and Cat s Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thulite and Cat s Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Cat s Eye Optical Properties during the identification of gemstone. Specific gravity of Thulite is 3.5-3.8 whereas that of Cat s Eye is 3.5-3.8.