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Wulfenite
Wulfenite

Dravite
Dravite



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Wulfenite
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Dravite

Wulfenite and Dravite Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

6.50-7.003.03-3.18
1 7.18
👆🏻

Fracture

Irregular, Conchoidal
Uneven, Irregular, Conchoidal

Cleavage

On {011}, distinct; on {001}, {013}, indistinct
{???} Indistinct

Mohs Hardness

37-7.5
2 10
👆🏻

Chemical Composition

PbMoO 4Walter Schumann , Gemstones of the world (2001)
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Wulfenite and Dravite Chemical Formula

While comparing Wulfenite and Dravite 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 Dravite chemical formula.

  • Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Wulfenite and Dravite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Dravite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Dravite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 3.03-3.18 whereas that of Dravite is 3.03-3.18.