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Tanzanite
Tanzanite

Nosean
Nosean



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Tanzanite
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Tanzanite and Nosean 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
Hard
Not Available
1.4 Specific Gravity
3.352.30-2.40
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
Perfect {010}, imperfect {100}
{110} Perfect
1.7 Mohs Hardness
6.5-7Not Available
Amber
2 10
1.8 Chemical Composition
Ca2Al3(SiO4)3(OH)
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Tanzanite and Nosean Chemical Formula

While comparing Tanzanite and Nosean 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 Tanzanite and Nosean chemical formula.

  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)
  • Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Tanzanite and Nosean Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Nosean Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Nosean Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 2.30-2.40 whereas that of Nosean is 2.30-2.40.