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Hauyne
Hauyne

Howlite
Howlite



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Hauyne
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Howlite

Hauyne and Howlite Physical Properties

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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
Not Available
1.4 Specific Gravity
2.4-2.52.45-2.58
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, Brittle
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Distinct on {110}
None
1.7 Mohs Hardness
5-63-3.5
Amber
2 10
1.8 Chemical Composition
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Hauyne and Howlite Chemical Formula

While comparing Hauyne and Howlite 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 Howlite chemical formula.

  • Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
  • Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Hauyne and Howlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hauyne and Howlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hauyne and Howlite Optical Properties during the identification of gemstone. Specific gravity of Hauyne is 2.45-2.58 whereas that of Howlite is 2.45-2.58.