Zincite and Villiaumite Physical Properties

Zincite

Villiaumite

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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

5.50-5.902.79

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Brittle, Metallic

1.6 Cleavage

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

{100} Perfect, {010} Perfect, {001} Perfect

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

NaFUlrich Henn and Claudio C.

Zincite and Villiaumite Chemical Formula

While comparing Zincite and Villiaumite 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 Zincite and Villiaumite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.

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Zincite and Villiaumite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Villiaumite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Villiaumite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 2.79 whereas that of Villiaumite is 2.79.