Fluorite and Hercynite Physical Properties

Fluorite

Hercynite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

slightly water soluble and in hot hydrochloric acid

3.00-3.25

Subconchoidal, Uneven, ConchoidalWalter Schumann

Octahedral, perfect on {111}, parting on {011}

CaF₂

4.39

Uneven

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

7.5-8

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

Fluorite and Hercynite Chemical Formula

While comparing Fluorite 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 Fluorite and Hercynite chemical formula.

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Fluorite and Hercynite Specific Gravity

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