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Oligoclase
Oligoclase

Watermelon Tourmaline
Watermelon Tourmaline



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Oligoclase
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Watermelon Tourmaline

Oligoclase 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
2.62-2.672.90-3.40
Amber
1 7.18
1.5 Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
1.6 Cleavage
From the Greek, oligos and kasein, little cleavage.
Not Available
1.7 Mohs Hardness
6-6.57-7.5
Amber
2 10
1.8 Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael 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.

Oligoclase and Watermelon Tourmaline Chemical Formula

While comparing Oligoclase 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 Oligoclase and Watermelon Tourmaline chemical formula.

  • Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael 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.

Oligoclase and Watermelon Tourmaline Specific Gravity

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