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Goethite
Goethite

White Opal
White Opal



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Goethite
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White Opal

Goethite and White Opal 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)
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Goethite and White Opal Chemical Formula

While comparing Goethite and White Opal 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 White Opal chemical formula.

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Goethite and White Opal Specific Gravity

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