Cat s Eye and Purpurite Physical Properties

Cat s Eye

Purpurite

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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

3.5-3.83.2-3.4

1 7.18

1.5 Fracture

Not Available

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

1,1 ; 3,2

[100] [001] perfect

1.7 Mohs Hardness

8.54-4.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Cat s Eye and Purpurite Chemical Formula

While comparing Cat s Eye and Purpurite 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 Purpurite chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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Cat s Eye and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.