Afghanite and Pyrite Marcasite Physical Properties

Afghanite

Pyrite Marcasite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.55-2.65

Conchoidal

Perfect {10 1 0}

5.5-6

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

4.9-5.2

None

6-6.5

FeS2

Afghanite and Pyrite Marcasite Chemical Formula

While comparing Afghanite and Pyrite 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 Afghanite and Pyrite Marcasite chemical formula.

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Afghanite and Pyrite Marcasite Specific Gravity

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