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Marcasite
Marcasite

Realgar
Realgar



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Marcasite
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Realgar

Marcasite and Realgar Physical Properties

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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
 
-
-
-
3.56
-
{010} Good
-9999
AsSMichael O’Donoghue , Gems, Sixth Edition (2006)

Marcasite and Realgar Chemical Formula

While comparing Marcasite and Realgar 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 Realgar chemical formula.

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Marcasite and Realgar Specific Gravity

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