Augelite and Cat s Eye Physical Properties

Augelite

Cat s Eye

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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

2.70-2.753.5-3.8

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

From the Greek for luster, for its pearly luster on the cleavage.

1,1 ; 3,2

1.7 Mohs Hardness

4.5-58.5

2 10

1.8 Chemical Composition

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

BeAl ₂ O ₄

Augelite and Cat s Eye Chemical Formula

While comparing Augelite and Cat s Eye 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 Augelite and Cat s Eye chemical formula.

Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cat s Eye- BeAl ₂ O ₄

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Augelite and Cat s Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augelite and Cat s Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Cat s Eye Optical Properties during the identification of gemstone. Specific gravity of Augelite is 3.5-3.8 whereas that of Cat s Eye is 3.5-3.8.