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Marcasite
Marcasite

Sardonyx
Sardonyx



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Marcasite
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Sardonyx

Marcasite and Sardonyx 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
 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Marcasite and Sardonyx Chemical Formula

While comparing Marcasite and Sardonyx 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 Sardonyx chemical formula.

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Marcasite and Sardonyx Specific Gravity

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