Hercynite and Hauyne Physical Properties

Hercynite

Hauyne

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Gelatinises in acids

1.3 Durability

Not Available

1.4 Specific Gravity

4.392.4-2.5

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Uneven, Conchoidal, Brittle

1.6 Cleavage

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

Distinct on {110}

1.7 Mohs Hardness

7.5-85-6

2 10

1.8 Chemical Composition

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

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

Hercynite and Hauyne Chemical Formula

While comparing Hercynite and Hauyne 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 Hauyne chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

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Hercynite and Hauyne Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Hauyne Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Hauyne Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.4-2.5 whereas that of Hauyne is 2.4-2.5.