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Bastnasite
Bastnasite

Cat s Eye
Cat s Eye



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Bastnasite
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Cat s Eye

Bastnasite 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
4.95-5.03.5-3.8
Amber
1 7.18
1.5 Fracture
Uneven
Not Available
1.6 Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
1,1 ; 3,2
1.7 Mohs Hardness
4-58.5
Amber
2 10
1.8 Chemical Composition
(Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
BeAl 2 O 4

Bastnasite and Cat s Eye Chemical Formula

While comparing Bastnasite 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 Bastnasite and Cat s Eye chemical formula.

  • Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Cat s Eye- BeAl 2 O 4

Bastnasite and Cat s Eye Specific Gravity

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