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Grandidierite
Grandidierite

Magnesite
Magnesite



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Grandidierite
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Magnesite

Grandidierite and Magnesite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Effervesces in hot HCl
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.85-3.002.92-3.12
Amber
1 7.18
1.5 Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Perfect
[10 1 1] perfect
1.7 Mohs Hardness
7.53.5-4.5
Amber
2 10
1.8 Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Grandidierite and Magnesite Chemical Formula

While comparing Grandidierite and Magnesite 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 Magnesite chemical formula.

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

Grandidierite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.