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Grandidierite
Grandidierite

Hodgkinsonite
Hodgkinsonite



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Grandidierite
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Hodgkinsonite

Grandidierite 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
2.85-3.004.06-4.08
Amber
1 7.18
1.5 Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
Perfect
{???} Perfect
1.7 Mohs Hardness
7.54.5-5
Amber
2 10
1.8 Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Grandidierite and Hodgkinsonite Chemical Formula

While comparing Grandidierite 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 Grandidierite and Hodgkinsonite chemical formula.

  • Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
  • Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Grandidierite and Hodgkinsonite Specific Gravity

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