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Alunite
Alunite

Cat s Eye
Cat s Eye



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Alunite
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Cat s Eye

Alunite and Cat s Eye Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.6-2.93.5-3.8
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven
Not Available
1.6 Cleavage
On {0001}, perfect
1,1 ; 3,2
1.7 Mohs Hardness
3.5-48.5
Amber
2 10
1.8 Chemical Composition
KAl3(SO4)2(OH)6
BeAl 2 O 4

Alunite and Cat s Eye Chemical Formula

While comparing Alunite 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 Alunite and Cat s Eye chemical formula.

  • Chemical formula of Alunite- KAl3(SO4)2(OH)6
  • Chemical formula of Cat s Eye- BeAl 2 O 4

Alunite and Cat s Eye Specific Gravity

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