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Jacobsite
Jacobsite

Cat s Eye
Cat s Eye



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Jacobsite
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Cat s Eye

Jacobsite and Cat s Eye Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.76-5.033.5-3.8
Amber
1 7.18
1.5 Fracture
Conchoidal, Brittle
Not Available
1.6 Cleavage
None
1,1 ; 3,2
1.7 Mohs Hardness
5.5-6.58.5
Amber
2 10
1.8 Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
BeAl 2 O 4

Jacobsite and Cat s Eye Chemical Formula

While comparing Jacobsite 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 Jacobsite and Cat s Eye chemical formula.

  • Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Cat s Eye- BeAl 2 O 4

Jacobsite and Cat s Eye Specific Gravity

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