Hauyne and Hercynite Physical Properties

Hauyne

Hercynite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Gelatinises in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.4-2.54.39

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

ConchoidalGemdat.org, Uneven

1.6 Cleavage

Distinct on {110}

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

1.7 Mohs Hardness

5-67.5-8

2 10

1.8 Chemical Composition

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

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

Hauyne and Hercynite Chemical Formula

While comparing Hauyne 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 Hauyne and Hercynite chemical formula.

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

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Hauyne and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hauyne and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hauyne and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Hauyne is 4.39 whereas that of Hercynite is 4.39.