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Dallasite and Bastnasite Physical Properties


Bastnasite and Dallasite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.58-2.91   
4.95-5.0   

Fracture
Not Available   
Uneven   

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

Mohs Hardness
6.5-7   
4-5   

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

Optical Properties >>
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Dallasite and Bastnasite Chemical Formula

While comparing Dallasite 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 Dallasite and Bastnasite chemical formula.

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Dallasite and Bastnasite Specific Gravity

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

Green Gemstones

Green Gemstones


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