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Goethite
Goethite

Quartz
Quartz



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Goethite
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Quartz

Goethite and Quartz 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
-
-
2.65
Conchoidal
{0110} Indistinct
7
SiO2

Goethite and Quartz Chemical Formula

While comparing Goethite and Quartz 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 Quartz chemical formula.

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Goethite and Quartz Specific Gravity

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