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Bastnasite and Vivianite Physical Properties


Vivianite 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   
2.64-2.70   

Fracture
Uneven   
(e.g. graphite).   

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

Mohs Hardness
4-5   
Not Available   

Chemical Composition
(Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Bastnasite and Vivianite Chemical Formula

While comparing Bastnasite and Vivianite 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 Vivianite chemical formula.

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Bastnasite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.

Red Gemstones

Red Gemstones


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