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Wulfenite
Wulfenite

Poudretteite
Poudretteite



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Wulfenite
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Poudretteite

Wulfenite and Poudretteite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

6.50-7.002.51-2.53
1 7.18
👆🏻

Fracture

Irregular, Conchoidal
Conchoidal, Splintery

Cleavage

On {011}, distinct; on {001}, {013}, indistinct
None

Mohs Hardness

35
2 10
👆🏻

Chemical Composition

PbMoO 4Walter Schumann , Gemstones of the world (2001)
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Wulfenite and Poudretteite Chemical Formula

While comparing Wulfenite and Poudretteite 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 Wulfenite and Poudretteite chemical formula.

  • Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Wulfenite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.