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Wulfenite
Wulfenite

Hackmanite
Hackmanite



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Wulfenite
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Hackmanite

Wulfenite and Hackmanite 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
6.50-7.002.27-2.33
Amber
1 7.18
1.5 Fracture
Irregular, Brittle, Conchoidal
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
On {011}, distinct; on {001}, {013}, indistinct
Not Available
1.7 Mohs Hardness
35.5-6
Amber
2 10
1.8 Chemical Composition
PbMoO 4Walter Schumann , Gemstones of the world (2001)
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Wulfenite and Hackmanite Chemical Formula

While comparing Wulfenite and Hackmanite 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 Hackmanite chemical formula.

  • Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Wulfenite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.