Annabergite and Cat s Eye Physical Properties

Annabergite

Cat s Eye

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.073.5-3.8

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Not Available

1.6 Cleavage

Perfect on {010}, indistinct on {100} and {102}

1,1 ; 3,2

1.7 Mohs Hardness

28.5

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

BeAl ₂ O ₄

Annabergite and Cat s Eye Chemical Formula

While comparing Annabergite 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 Annabergite and Cat s Eye chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Cat s Eye- BeAl ₂ O ₄

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Annabergite and Cat s Eye Specific Gravity

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