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Coral
Coral

Marcasite
Marcasite



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Coral
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Marcasite

Coral and Marcasite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.60-2.70
Irregular
None
3-4
CaCO 3Ulrich Henn and Claudio C.
 
-
-
-
4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Coral and Marcasite Chemical Formula

While comparing Coral 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 Coral and Marcasite chemical formula.

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Coral and Marcasite Specific Gravity

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