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Willemite
Willemite

Vesuvianite
Vesuvianite



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Willemite
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Vesuvianite

Willemite and Vesuvianite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.89-4.183.32-3.43
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal

Cleavage

{0001}, {11 2 0} imperfect
Poor on {110} and {100} very poor on {001}

Mohs Hardness

5.56-7
2 10
👆🏻

Chemical Composition

Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

Willemite and Vesuvianite Chemical Formula

While comparing Willemite and Vesuvianite 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 Vesuvianite chemical formula.

  • Chemical formula of Willemite- Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Vesuvianite- Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

Willemite and Vesuvianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Willemite and Vesuvianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Vesuvianite Optical Properties during the identification of gemstone. Specific gravity of Willemite is 3.32-3.43 whereas that of Vesuvianite is 3.32-3.43.