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Humite
Humite

Marcasite
Marcasite



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Humite
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Marcasite

Humite and Marcasite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.20-3.32
Uneven, Conchoidal
Poor
6-6.5
(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
 
-
-
-
4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Humite and Marcasite Chemical Formula

While comparing Humite 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 Humite and Marcasite chemical formula.

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Humite and Marcasite Specific Gravity

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