Charlesite and Hercynite Physical Properties

Charlesite

Hercynite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

1.79

Irregular/uneven

Perfect on {10bar10}

2.5

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

4.39

Uneven

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

7.5-8

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

Charlesite and Hercynite Chemical Formula

While comparing Charlesite 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 Charlesite and Hercynite chemical formula.

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Charlesite and Hercynite Specific Gravity

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