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Poldervaartite
Poldervaartite

Willemite
Willemite



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Poldervaartite
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Willemite

Poldervaartite and Willemite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.91
-
None
-9999
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
 
-
-
-
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

Poldervaartite and Willemite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Willemite chemical formula.

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Poldervaartite and Willemite Specific Gravity

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