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Carnelian
Carnelian

Marcasite
Marcasite



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Carnelian
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Marcasite

Carnelian and Marcasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.58-2.64
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2
 
-
-
-
4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Carnelian and Marcasite Chemical Formula

While comparing Carnelian 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 Carnelian and Marcasite chemical formula.

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Carnelian and Marcasite Specific Gravity

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