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Wulfenite
Wulfenite

Hollandite
Hollandite



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Wulfenite
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Hollandite

Wulfenite and Hollandite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
6.50-7.00
Irregular, Conchoidal
On {011}, distinct; on {001}, {013}, indistinct
3
PbMoO 4Walter Schumann , Gemstones of the world (2001)
 
-
-
-
5.05
-
Distinct / Good, Prismatic
4-6
Ba(Mn++++,Mn++)8O16

Wulfenite and Hollandite Chemical Formula

While comparing Wulfenite and Hollandite 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 Hollandite chemical formula.

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Wulfenite and Hollandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite Vs Hollandite during the identification of gemstone. Specific gravity of Wulfenite is whereas that of Hollandite is .