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Powellite
Powellite

Tanzanite
Tanzanite



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Tanzanite

Powellite and Tanzanite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
Hard

Specific Gravity

4.233.35
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Conchoidal

Cleavage

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

Mohs Hardness

3.5-46.5-7
2 10
👆🏻

Chemical Composition

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

Powellite and Tanzanite Chemical Formula

While comparing Powellite 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 Powellite and Tanzanite chemical formula.

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

Powellite and Tanzanite Specific Gravity

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