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Iddingsite
Iddingsite

Marcasite
Marcasite



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Iddingsite
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Marcasite

Iddingsite and Marcasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.5-2.8
-
{???} Perfect
3
MgO.Fe2O3.3SiO2•4(H2O)
 
-
-
-
4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Iddingsite and Marcasite Chemical Formula

While comparing Iddingsite 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 Iddingsite and Marcasite chemical formula.

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Iddingsite and Marcasite Specific Gravity

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