Hercynite and Sonolite Physical Properties

Hercynite

Sonolite

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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)

3.82-4.00

{???} Indistinct

5.5

Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)

Hercynite and Sonolite Chemical Formula

While comparing Hercynite and Sonolite 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 Sonolite chemical formula.

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Hercynite and Sonolite Specific Gravity

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