Williamsite and Smithsonite Physical Properties

Williamsite

Smithsonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.634.00-4.65

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

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

1.6 Cleavage

Not Available

Perfect on [1011]

1.7 Mohs Hardness

45-5.5

2 10

1.8 Chemical Composition

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

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

Williamsite and Smithsonite Chemical Formula

While comparing Williamsite and Smithsonite 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 Smithsonite chemical formula.

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

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Williamsite and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Williamsite and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Williamsite and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Williamsite is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.