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Grandidierite
Grandidierite

Carnallite
Carnallite



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Grandidierite
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Carnallite

Grandidierite and Carnallite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.85-3.001.6
Amber
1 7.18
1.5 Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Violet, Conchoidal, Brittle, Conchoidal, Brittle
1.6 Cleavage
Perfect
None
1.7 Mohs Hardness
7.52.5
Amber
2 10
1.8 Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
KMgCl3•6(H2O)

Grandidierite and Carnallite Chemical Formula

While comparing Grandidierite and Carnallite 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 Carnallite chemical formula.

  • Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
  • Chemical formula of Carnallite- KMgCl3•6(H2O)

Grandidierite and Carnallite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Carnallite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Carnallite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 1.6 whereas that of Carnallite is 1.6.