Hercynite and Hexagonite Physical Properties

Hercynite

Hexagonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.392.98-3.03

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Uneven

1.6 Cleavage

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

[110] perfect; [010] distinct

1.7 Mohs Hardness

7.5-85-6

2 10

1.8 Chemical Composition

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

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Hercynite and Hexagonite Chemical Formula

While comparing Hercynite and Hexagonite 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 Hexagonite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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Hercynite and Hexagonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.