Hercynite and Marcasite Physical Properties

Hercynite

Marcasite

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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

4.394.80-4.90

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

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

1.6 Cleavage

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

{010} Indistinct

1.7 Mohs Hardness

7.5-86-6.5

2 10

1.8 Chemical Composition

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

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

Hercynite and Marcasite Chemical Formula

While comparing Hercynite 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 Hercynite and Marcasite chemical formula.

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

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Hercynite and Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Marcasite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 4.80-4.90 whereas that of Marcasite is 4.80-4.90.