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Gahnite
Gahnite

Hodgkinsonite
Hodgkinsonite



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Gahnite
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Hodgkinsonite

Gahnite and Hodgkinsonite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.00-4.624.06-4.08
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
Indistinct parting on [111]
{???} Perfect
1.7 Mohs Hardness
7.5-84.5-5
Amber
2 10
1.8 Chemical Composition
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Gahnite and Hodgkinsonite Chemical Formula

While comparing Gahnite and Hodgkinsonite 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 Gahnite and Hodgkinsonite chemical formula.

  • Chemical formula of Gahnite- ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Gahnite and Hodgkinsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Hodgkinsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Hodgkinsonite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 4.06-4.08 whereas that of Hodgkinsonite is 4.06-4.08.