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Grandidierite
Grandidierite

Prasiolite
Prasiolite



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Grandidierite
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Prasiolite

Grandidierite and Prasiolite 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
2.85-3.002.65
Amber
1 7.18
1.5 Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Perfect
3,1
1.7 Mohs Hardness
7.57
Amber
2 10
1.8 Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
SiO 2Ulrich Henn and Claudio C.

Grandidierite and Prasiolite Chemical Formula

While comparing Grandidierite and Prasiolite 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 Prasiolite chemical formula.

  • Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
  • Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

Grandidierite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.65 whereas that of Prasiolite is 2.65.