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Goethite
Goethite

Sardonyx
Sardonyx



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Goethite
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Sardonyx

Goethite and Sardonyx 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)
 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Goethite and Sardonyx Chemical Formula

While comparing Goethite and Sardonyx 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 Sardonyx chemical formula.

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Goethite and Sardonyx Specific Gravity

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