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Wulfenite
Wulfenite

Kyanite
Kyanite



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Wulfenite
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Kyanite

Wulfenite and Kyanite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
6.50-7.003.53-3.65
Amber
1 7.18
1.5 Fracture
Irregular, Brittle, Conchoidal
Splintery, Brittle, Metallic
1.6 Cleavage
On {011}, distinct; on {001}, {013}, indistinct
[100] perfect [010] imperfect with 79° angle between
1.7 Mohs Hardness
34-7
Amber
2 10
1.8 Chemical Composition
PbMoO 4Walter Schumann , Gemstones of the world (2001)
Not Available

Wulfenite and Kyanite Chemical Formula

While comparing Wulfenite and Kyanite 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 Kyanite chemical formula.

  • Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
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Wulfenite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.