Smithsonite and Steatite Physical Properties

Smithsonite

Steatite

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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

4.00-4.652.20-2.80

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect on [1011]

Not Available

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

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

Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

Smithsonite and Steatite Chemical Formula

While comparing Smithsonite and Steatite 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 Steatite chemical formula.

Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

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Smithsonite and Steatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Steatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Steatite Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 2.20-2.80 whereas that of Steatite is 2.20-2.80.