Williamsite and Willemite Physical Properties

Williamsite

Willemite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.633.89-4.18

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

Not Available

{0001}, {11 2 0} imperfect

1.7 Mohs Hardness

45.5

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Williamsite and Willemite Chemical Formula

While comparing Williamsite 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 Williamsite and Willemite chemical formula.

Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Williamsite and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Williamsite and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Williamsite and Willemite Optical Properties during the identification of gemstone. Specific gravity of Williamsite is 3.89-4.18 whereas that of Willemite is 3.89-4.18.