Cat s Eye and Poldervaartite Physical Properties

Cat s Eye

Poldervaartite

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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

3.5-3.82.91

1 7.18

1.5 Fracture

Not Available

Handbook of mineralogy (2001)

1.6 Cleavage

1,1 ; 3,2

None

1.7 Mohs Hardness

8.5Not Available

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Cat s Eye and Poldervaartite Chemical Formula

While comparing Cat s Eye and Poldervaartite 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 Poldervaartite chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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Cat s Eye and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 2.91 whereas that of Poldervaartite is 2.91.