Cat s Eye and Lazurite Physical Properties

Cat s Eye

Lazurite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.5-3.82.75

1 7.18

1.5 Fracture

Not Available

Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

1,1 ; 3,2

Imperfect on {110}

1.7 Mohs Hardness

8.55.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Cat s Eye and Lazurite Chemical Formula

While comparing Cat s Eye and Lazurite 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 Lazurite chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

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Cat s Eye and Lazurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Lazurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Lazurite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 2.75 whereas that of Lazurite is 2.75.