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Goethite
Goethite

Zincite
Zincite



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Goethite
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Zincite

Goethite and Zincite Physical Properties

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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
-
-
5.50-5.90
Conchoidal
On {10 1 0}, perfect; parting on {000 1 }
4
(Zn,Mn2+ )OMichael O’Donoghue , Gems, Sixth Edition (2006)

Goethite and Zincite Chemical Formula

While comparing Goethite and Zincite 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 Zincite chemical formula.

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Goethite and Zincite Specific Gravity

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