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Bastnasite and Cat s Eye Physical Properties


Cat s Eye and Bastnasite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.95-5.0   
3.5-3.8   

Fracture
Uneven   
Not Available   

Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}   
1,1 ; 3,2   

Mohs Hardness
4-5   
8.5   

Chemical Composition
(Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
BeAl 2 O 4   

Optical Properties >>
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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.

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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.

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