Cat s Eye and Nosean Physical Properties

Cat s Eye

Nosean

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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

3.5-3.82.30-2.40

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

1,1 ; 3,2

{110} Perfect

1.7 Mohs Hardness

8.5Not Available

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Cat s Eye and Nosean Chemical Formula

While comparing Cat s Eye and Nosean 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 Nosean chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

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Cat s Eye and Nosean Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Nosean Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Nosean Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 2.30-2.40 whereas that of Nosean is 2.30-2.40.