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Wulfenite
Wulfenite

Spinel
Spinel



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Wulfenite
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Spinel

Wulfenite and Spinel Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
none
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
6.50-7.003.64-3.66
Amber
1 7.18
1.5 Fracture
Irregular, Brittle, Conchoidal
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
On {011}, distinct; on {001}, {013}, indistinct
None, but may exhibit slight parting
1.7 Mohs Hardness
38
Amber
2 10
1.8 Chemical Composition
PbMoO 4Walter Schumann , Gemstones of the world (2001)
MgAl2O4

Wulfenite and Spinel Chemical Formula

While comparing Wulfenite and Spinel 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 Spinel chemical formula.

  • Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Spinel- MgAl2O4

Wulfenite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.