Marcasite and Hercynite Physical Properties

Marcasite

Hercynite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.80-4.904.39

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

ConchoidalGemdat.org, Uneven

1.6 Cleavage

{010} Indistinct

{111} Indistinct, {111} Indistinct, {111} Indistinct

1.7 Mohs Hardness

6-6.57.5-8

2 10

1.8 Chemical Composition

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Marcasite and Hercynite Chemical Formula

While comparing Marcasite and Hercynite 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 Hercynite chemical formula.

Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

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Marcasite and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 4.39 whereas that of Hercynite is 4.39.