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Watermelon Tourmaline
Watermelon Tourmaline

Grandidierite
Grandidierite



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Watermelon Tourmaline
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Grandidierite

Watermelon Tourmaline and Grandidierite 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
2.90-3.402.85-3.00
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
1.6 Cleavage
Not Available
Perfect
1.7 Mohs Hardness
7-7.57.5
Amber
2 10
1.8 Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Watermelon Tourmaline and Grandidierite Chemical Formula

While comparing Watermelon Tourmaline and Grandidierite 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 Watermelon Tourmaline and Grandidierite chemical formula.

  • Chemical formula of Watermelon Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
  • Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Watermelon Tourmaline and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.