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Goethite
Goethite

Erythrite
Erythrite



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Goethite
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Erythrite

Goethite and Erythrite 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)
 
Sectile
-
-
3.06
Sectile
Perfect on {010}; poor on {100} and { 1 02}.
-9999
Co3(AsO4)2•8(H2O)

Goethite and Erythrite Chemical Formula

While comparing Goethite and Erythrite 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 Erythrite chemical formula.

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Goethite and Erythrite Specific Gravity

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