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Cordierite
Cordierite

Hodgkinsonite
Hodgkinsonite



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Cordierite
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Hodgkinsonite

Cordierite and Hodgkinsonite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.57-2.664.06-4.08
Amber
1 7.18
1.5 Fracture
Subconchoidal, Conchoidal, Brittle
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
Fair on {100}, poor on {001} and {010}
{???} Perfect
1.7 Mohs Hardness
7-7.54.5-5
Amber
2 10
1.8 Chemical Composition
Mg2Al4Si5O18
Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cordierite and Hodgkinsonite Chemical Formula

While comparing Cordierite 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 Cordierite and Hodgkinsonite chemical formula.

  • Chemical formula of Cordierite- Mg2Al4Si5O18
  • Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cordierite and Hodgkinsonite Specific Gravity

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