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Cat s Eye
Cat s Eye

Neptunite
Neptunite



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Cat s Eye
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Neptunite

Cat s Eye and Neptunite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.5-3.83.19-3.23
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
1.6 Cleavage
1,1 ; 3,2
{110} good
1.7 Mohs Hardness
8.55-6
Amber
2 10
1.8 Chemical Composition
BeAl 2 O 4
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

Cat s Eye and Neptunite Chemical Formula

While comparing Cat s Eye and Neptunite 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 Neptunite chemical formula.

  • Chemical formula of Cat s Eye- BeAl 2 O 4
  • Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

Cat s Eye and Neptunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Neptunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Neptunite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 3.19-3.23 whereas that of Neptunite is 3.19-3.23.