Cat s Eye and Hercynite Physical Properties

Cat s Eye

Hercynite

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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

3.5-3.84.39

1 7.18

1.5 Fracture

Not Available

ConchoidalGemdat.org, Uneven

1.6 Cleavage

1,1 ; 3,2

{111} Indistinct, {111} Indistinct, {111} Indistinct

1.7 Mohs Hardness

8.57.5-8

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Cat s Eye and Hercynite Chemical Formula

While comparing Cat s Eye and Hercynite 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 Hercynite chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

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Cat s Eye and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 4.39 whereas that of Hercynite is 4.39.