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Pumpellyite
Pumpellyite

Willemite
Willemite



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Pumpellyite
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Willemite

Pumpellyite and Willemite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.20-3.30
-
Perfect
5-6
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
 
-
-
-
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

Pumpellyite and Willemite Chemical Formula

While comparing Pumpellyite 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 Pumpellyite and Willemite chemical formula.

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Pumpellyite and Willemite Specific Gravity

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