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Tanzanite
Tanzanite

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Tanzanite and Powellite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

Hard
-

Specific Gravity

3.354.23
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Conchoidal

Cleavage

Perfect {010}, imperfect {100}
{111} Distinct

Mohs Hardness

6.5-73.5-4
2 10
👆🏻

Chemical Composition

Ca2Al3(SiO4)3(OH)
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Tanzanite and Powellite Chemical Formula

While comparing Tanzanite and Powellite 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 Powellite chemical formula.

  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)
  • Chemical formula of Powellite- CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Tanzanite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 4.23 whereas that of Powellite is 4.23.