Cat s Eye and Faustite Physical Properties

Cat s Eye

Faustite

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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

3.5-3.82.9

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

1.6 Cleavage

1,1 ; 3,2

{???} Indistinct

1.7 Mohs Hardness

8.54.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Cat s Eye and Faustite Chemical Formula

While comparing Cat s Eye and Faustite 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 Faustite chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Cat s Eye and Faustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Faustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Faustite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 2.9 whereas that of Faustite is 2.9.