Cat s Eye and Pollucite Physical Properties

Cat s Eye

Pollucite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Readily soluble in HF

1.3 Durability

Not Available

1.4 Specific Gravity

3.5-3.82.86-2.94

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

1,1 ; 3,2

None observed

1.7 Mohs Hardness

8.56.5-7

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Cat s Eye and Pollucite Chemical Formula

While comparing Cat s Eye and Pollucite 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 Pollucite chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

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Cat s Eye and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.