Willemite and Violane Physical Properties

Willemite

Violane

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.89-4.18

3.22-3.40

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{0001}, {11 2 0} imperfect

Not Available

1.7 Mohs Hardness

5.5

5-6

1.8 Chemical Composition

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

(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

Willemite and Violane Chemical Formula

While comparing Willemite and Violane 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 Willemite and Violane chemical formula.

Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

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Willemite and Violane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Willemite and Violane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Violane Optical Properties during the identification of gemstone. Specific gravity of Willemite is 3.22-3.40 whereas that of Violane is 3.22-3.40.