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Powellite
Powellite

Watermelon Tourmaline
Watermelon Tourmaline



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Watermelon Tourmaline

Powellite and Watermelon Tourmaline 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
4.232.90-3.40
Amber
1 7.18
1.5 Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
1.6 Cleavage
{111} Distinct
Not Available
1.7 Mohs Hardness
3.5-47-7.5
Amber
2 10
1.8 Chemical Composition
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
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.

Powellite and Watermelon Tourmaline Chemical Formula

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

  • Chemical formula of Powellite- CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • 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.

Powellite and Watermelon Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Powellite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Powellite is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.