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Marcasite
Marcasite

Augite
Augite



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Marcasite
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Augite

Marcasite and Augite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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3.19-3.56
Uneven, Conchoidal
{110} Perfect, {010} Indistinct
5.5-6
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Marcasite and Augite Chemical Formula

While comparing Marcasite and Augite 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 Augite chemical formula.

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Marcasite and Augite Specific Gravity

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