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Hercynite
Hercynite

Cuprite
Cuprite



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Hercynite
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Cuprite

Hercynite and Cuprite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.39
Uneven
{111} Indistinct, {111} Indistinct, {111} Indistinct
7.5-8
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
 
Brittle
-
-
5.85-6.15
Conchoidal
Fair in four directions forming octahedrons
3.5-4
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Hercynite and Cuprite Chemical Formula

While comparing Hercynite and Cuprite 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 Cuprite chemical formula.

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Hercynite and Cuprite Specific Gravity

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