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Marcasite
Marcasite

Nephrite
Nephrite



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Marcasite
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Nephrite

Marcasite and Nephrite 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
 
-
-
-
2.90-3.10
Splintery, Granular
None
6-6.5
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Marcasite and Nephrite Chemical Formula

While comparing Marcasite and Nephrite 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 Nephrite chemical formula.

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Marcasite and Nephrite Specific Gravity

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