Wulfenite and Zincite Physical Properties

Wulfenite

Zincite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.50-7.005.50-5.90

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

On {10 1 0}, perfect; parting on {000 1 }

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Wulfenite and Zincite Chemical Formula

While comparing Wulfenite and Zincite 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 Zincite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Wulfenite and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.