Willemite and Microlite Physical Properties

Willemite

Microlite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.89-4.185.5

1 7.18

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Fracture

Conchoidal, Uneven

Conchoidal

Cleavage

{0001}, {11 2 0} imperfect

{111} Indistinct, {111} Indistinct, {111} Indistinct

Mohs Hardness

5.55-5.5

2 10

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Chemical Composition

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

(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Willemite and Microlite Chemical Formula

While comparing Willemite and Microlite 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 Microlite chemical formula.

Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Willemite and Microlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Willemite and Microlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Microlite Optical Properties during the identification of gemstone. Specific gravity of Willemite is 5.5 whereas that of Microlite is 5.5.