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Bastnasite
Bastnasite

Watermelon Tourmaline
Watermelon Tourmaline



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Bastnasite
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Watermelon Tourmaline

Bastnasite 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
4.95-5.02.90-3.40
Amber
1 7.18
1.5 Fracture
Uneven
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
1.6 Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
Not Available
1.7 Mohs Hardness
4-57-7.5
Amber
2 10
1.8 Chemical Composition
(Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
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.

Bastnasite and Watermelon Tourmaline Chemical Formula

While comparing Bastnasite 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 Bastnasite and Watermelon Tourmaline chemical formula.

  • Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • 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.

Bastnasite and Watermelon Tourmaline Specific Gravity

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