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Marcasite
Marcasite

Calcite
Calcite



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Marcasite
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Calcite

Marcasite and Calcite Physical Properties

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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
 
Brittle
Soluble
-
2.67-2.73
Conchoidal
Perfect on [10 1 1] three directions with angle of 74° 55
3
CaCO 3Ulrich Henn and Claudio C.

Marcasite and Calcite Chemical Formula

While comparing Marcasite and Calcite 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 Calcite chemical formula.

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Marcasite and Calcite Specific Gravity

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