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Goethite
Goethite

Smithsonite
Smithsonite



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Goethite
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Smithsonite

Goethite and Smithsonite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
HCl soluble
-
4.27-4.29
Uneven
Perfect {010}
5-5.5
FeO(OH)Arthur Thomas , Gemstones (2009)
 
Brittle
-
-
4.00-4.65
Uneven, Sub-Conchoidal
Perfect on [1011]
5-5.5
ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Goethite and Smithsonite Chemical Formula

While comparing Goethite 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 Goethite and Smithsonite chemical formula.

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Goethite and Smithsonite Specific Gravity

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