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Grandidierite
Grandidierite

Lazulite
Lazulite



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Grandidierite
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Grandidierite and Lazulite 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
2.85-3.00
3.04-3.17
1.5 Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Uneven, Uneven, Gemstones of the world (2001) More from other references
1.6 Cleavage
Perfect
{001} Indistinct, {???} Indistinct
1.7 Mohs Hardness
7.5
5.5
1.8 Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Grandidierite and Lazulite Chemical Formula

While comparing Grandidierite and Lazulite 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 Lazulite chemical formula.

  • Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
  • Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Grandidierite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.