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Bastnasite
Bastnasite

Marcasite
Marcasite



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Bastnasite
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Marcasite

Bastnasite and Marcasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.95-5.0
Uneven
Imperfect to indistinct on {10 1 0}, parting on {0001}
4-5
(Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-
-
4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Bastnasite and Marcasite Chemical Formula

While comparing Bastnasite and Marcasite 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 Marcasite chemical formula.

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Bastnasite and Marcasite Specific Gravity

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