Hercynite and Omphacite Physical Properties

Hercynite

Omphacite

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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)

3.16-3.43

Uneven, Conchoidal

{110} Good, {110} Good

5-6

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Hercynite and Omphacite Chemical Formula

While comparing Hercynite and Omphacite 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 Omphacite chemical formula.

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Hercynite and Omphacite Specific Gravity

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