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Elbaite
Elbaite

Tanzanite
Tanzanite



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Elbaite and Tanzanite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Hard
1.4 Specific Gravity
2.90-3.10
3.35
1.5 Fracture
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Poor/indistinct on {1120} and {1011}
Perfect {010}, imperfect {100}
1.7 Mohs Hardness
7
6.5-7
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) More from other references
Ca2Al3(SiO4)3(OH)

Elbaite and Tanzanite Chemical Formula

While comparing Elbaite and Tanzanite 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 Elbaite and Tanzanite chemical formula.

  • Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)

Elbaite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.35 whereas that of Tanzanite is 3.35.