Sphalerite and Hercynite Physical Properties

Sphalerite

Hercynite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.95-4.10

Uneven

{110} Perfect, {110} Perfect, {110} Perfect

3.5-4

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

4.39

Uneven

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

7.5-8

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

Sphalerite and Hercynite Chemical Formula

While comparing Sphalerite 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 Sphalerite and Hercynite chemical formula.

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Sphalerite and Hercynite Specific Gravity

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