Adamite and Cat s Eye Physical Properties

Adamite

Cat s Eye

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

3.5-3.8

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Not Available

1.6 Cleavage

{101}, good; {010}, poor

1,1 ; 3,2

1.7 Mohs Hardness

3.5

8.5

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

BeAl ₂ O ₄

Adamite and Cat s Eye Chemical Formula

While comparing Adamite 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 Adamite and Cat s Eye chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Cat s Eye- BeAl ₂ O ₄

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Adamite and Cat s Eye Specific Gravity

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