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Purpurite
Purpurite
☒

Willemite
Willemite
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Purpurite
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Willemite

Purpurite and Willemite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.2-3.4
Uneven
[100] [001] perfect
4-4.5
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
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

Purpurite and Willemite Chemical Formula

While comparing Purpurite 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 Purpurite and Willemite chemical formula.

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Purpurite and Willemite Specific Gravity

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