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Grandidierite
Grandidierite

Legrandite
Legrandite



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Grandidierite
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Legrandite

Grandidierite and Legrandite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.85-3.003.98-4.04
Amber
1 7.18
1.5 Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Perfect
Imperfect, poor one {100}
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.
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Grandidierite and Legrandite Chemical Formula

While comparing Grandidierite and Legrandite 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 Legrandite chemical formula.

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

Grandidierite and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.