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Willemite
Willemite

Thulite
Thulite



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Willemite
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Thulite

Willemite and Thulite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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3.89-4.18
Conchoidal, Uneven
{0001}, {11 2 0} imperfect
5.5
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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3.1
Uneven, Conchoidal
Perfect {010} imperfect {100}
6-7
Ca2Al3(SiO4)3(OH)

Willemite and Thulite Chemical Formula

While comparing Willemite and Thulite 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 Thulite chemical formula.

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Willemite and Thulite Specific Gravity

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