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Omphacite
Omphacite

Marcasite
Marcasite



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Omphacite
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Marcasite

Omphacite and Marcasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.16-3.43
Uneven, Conchoidal
{110} Good, {110} Good
5-6
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
 
-
-
-
4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Omphacite and Marcasite Chemical Formula

While comparing Omphacite 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 Omphacite and Marcasite chemical formula.

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Omphacite and Marcasite Specific Gravity

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