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Bastnasite and Thulite Physical Properties


Thulite 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   
3.1   

Fracture
Uneven   
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)   

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

Mohs Hardness
4-5   
6-7   

Chemical Composition
(Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Ca2Al3(SiO4)3(OH)   

Optical Properties >>
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Bastnasite and Thulite Chemical Formula

While comparing Bastnasite and Thulite 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 Thulite chemical formula.

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Bastnasite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 3.1 whereas that of Thulite is 3.1.

Red Gemstones

Red Gemstones


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