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Dioptase
Dioptase

Goethite
Goethite



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Dioptase
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Goethite

Dioptase and Goethite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
3.25-3.35
Conchoidal, ConchoidalWalter Schumann
Perfect in three directions
5
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
HCl soluble
-
4.27-4.29
Uneven
Perfect {010}
5-5.5
FeO(OH)Arthur Thomas , Gemstones (2009)

Dioptase and Goethite Chemical Formula

While comparing Dioptase and Goethite 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 Dioptase and Goethite chemical formula.

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Dioptase and Goethite Specific Gravity

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