Smithsonite and Williamsite Physical Properties

Smithsonite

Williamsite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.652.51-2.63

1 7.18

1.5 Fracture

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

Perfect on [1011]

Not Available

1.7 Mohs Hardness

5-5.54

2 10

1.8 Chemical Composition

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Smithsonite and Williamsite Chemical Formula

While comparing Smithsonite and Williamsite 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 Smithsonite and Williamsite chemical formula.

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

Compare Green Gemstones

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Smithsonite and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.