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Bastnasite and Sylvite Physical Properties


Sylvite and Bastnasite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
4.95-5.0   
1.993   

Fracture
Uneven   
Uneven, Brittle   

Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}   
Perfect on [100], [010], [001]   

Mohs Hardness
4-5   
2.5   

Chemical Composition
(Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Not Available   

Optical Properties >>
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Bastnasite and Sylvite Chemical Formula

While comparing Bastnasite and Sylvite 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 Sylvite chemical formula.

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Bastnasite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 1.993 whereas that of Sylvite is 1.993.

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