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Hauyne
Hauyne

Opal
Opal



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Hauyne
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Hauyne and Opal Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
BrittleWalter Schumann
1.2 Solubility
Gelatinises in acids
hot salt water
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.4-2.5
1.98-2.25
1.5 Fracture
Uneven, Conchoidal, Brittle
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
1.6 Cleavage
Distinct on {110}
None
1.7 Mohs Hardness
5-6
5-6.5
1.8 Chemical Composition
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
SiO2 · nH2O

Hauyne and Opal Chemical Formula

While comparing Hauyne and Opal 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 Opal chemical formula.

  • Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
  • Chemical formula of Opal- SiO2 · nH2O

Hauyne and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hauyne and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hauyne and Opal Optical Properties during the identification of gemstone. Specific gravity of Hauyne is 1.98-2.25 whereas that of Opal is 1.98-2.25.