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Marcasite
Marcasite

Bastnasite
Bastnasite



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Marcasite
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Bastnasite

Marcasite and Bastnasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-
-
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

Marcasite and Bastnasite Chemical Formula

While comparing Marcasite 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 Marcasite and Bastnasite chemical formula.

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Marcasite and Bastnasite Specific Gravity

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