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Demantoid and Bastnasite Physical Properties


Bastnasite and Demantoid Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.77-3.95   
4.95-5.0   

Fracture
Not Available   
Uneven   

Cleavage
Not Available   
Imperfect to indistinct on {10 1 0}, parting on {0001}   

Mohs Hardness
6.5   
4-5   

Chemical Composition
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.   
(Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Demantoid and Bastnasite Chemical Formula

While comparing Demantoid and Bastnasite 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 Demantoid and Bastnasite chemical formula.

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Demantoid and Bastnasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Demantoid and Bastnasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid and Bastnasite Optical Properties during the identification of gemstone. Specific gravity of Demantoid is 4.95-5.0 whereas that of Bastnasite is 4.95-5.0.

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Green Gemstones


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