Zincite and Willemite Physical Properties

Zincite

Willemite

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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

5.50-5.903.89-4.18

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

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

{0001}, {11 2 0} imperfect

1.7 Mohs Hardness

45.5

2 10

1.8 Chemical Composition

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

Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Zincite and Willemite Chemical Formula

While comparing Zincite and Willemite 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 Willemite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Zincite and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zincite and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zincite and Willemite Optical Properties during the identification of gemstone. Specific gravity of Zincite is 3.89-4.18 whereas that of Willemite is 3.89-4.18.