Cat s Eye and Norbergite Physical Properties

Cat s Eye

Norbergite

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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

3.5-3.83.177

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

{???} Distinct

1.7 Mohs Hardness

8.56-6.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

Cat s Eye and Norbergite Chemical Formula

While comparing Cat s Eye and Norbergite 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 Norbergite chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

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Cat s Eye and Norbergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Norbergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Norbergite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 3.177 whereas that of Norbergite is 3.177.