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Wulfenite
Wulfenite

Rubellite
Rubellite



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Wulfenite
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Rubellite

Wulfenite and Rubellite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
6.50-7.003.01-3.06
Amber
1 7.18
1.5 Fracture
Irregular, Brittle, Conchoidal
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
On {011}, distinct; on {001}, {013}, indistinct
Not Available
1.7 Mohs Hardness
37-7.5
Amber
2 10
1.8 Chemical Composition
PbMoO 4Walter Schumann , Gemstones of the world (2001)
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Wulfenite and Rubellite Chemical Formula

While comparing Wulfenite and Rubellite 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 Rubellite chemical formula.

  • Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Rubellite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Wulfenite and Rubellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Rubellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Rubellite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 3.01-3.06 whereas that of Rubellite is 3.01-3.06.