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Hauyne
Hauyne

Goethite
Goethite



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Hauyne
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Hauyne and Goethite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Gelatinises in acids
HCl soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.4-2.5
4.27-4.29
1.5 Fracture
Uneven, Conchoidal, Brittle
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
1.6 Cleavage
Distinct on {110}
Perfect {010}
1.7 Mohs Hardness
5-6
5-5.5
1.8 Chemical Composition
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
FeO(OH)Arthur Thomas , Gemstones (2009)

Hauyne and Goethite Chemical Formula

While comparing Hauyne and Goethite 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 Goethite chemical formula.

  • Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
  • Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

Hauyne and Goethite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hauyne and Goethite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hauyne and Goethite Optical Properties during the identification of gemstone. Specific gravity of Hauyne is 4.27-4.29 whereas that of Goethite is 4.27-4.29.