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Goethite
Goethite

Diaspore
Diaspore



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Goethite
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Diaspore

Goethite and Diaspore 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)
 
Very brittle
insoluble
-
3.30-3.40
Conchoidal
{010} perfect, {110} distinct, {100} in traces
6.5-7
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Goethite and Diaspore Chemical Formula

While comparing Goethite and Diaspore 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 Diaspore chemical formula.

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Goethite and Diaspore Specific Gravity

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