Wulfenite and Powellite Physical Properties

Wulfenite

Powellite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.50-7.004.23

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

On {011}, distinct; on {001}, {013}, indistinct

{111} Distinct

1.7 Mohs Hardness

33.5-4

2 10

1.8 Chemical Composition

PbMoO 4Walter Schumann , Gemstones of the world (2001)

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Wulfenite and Powellite Chemical Formula

While comparing Wulfenite and Powellite 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 Powellite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

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Wulfenite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 4.23 whereas that of Powellite is 4.23.