Pezzottaite and Wulfenite Physical Properties

Pezzottaite

Wulfenite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.146.50-7.00

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Irregular, Brittle, Conchoidal

1.6 Cleavage

Imperfect; basal

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

1.7 Mohs Hardness

7.5-83

2 10

1.8 Chemical Composition

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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

Pezzottaite and Wulfenite Chemical Formula

While comparing Pezzottaite and Wulfenite 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 Pezzottaite and Wulfenite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

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Pezzottaite and Wulfenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.