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Angelite
Angelite

Goethite
Goethite



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Angelite
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Goethite

Angelite and Goethite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Perfect
3.5
CaSO4·2H2O
 
-
HCl soluble
-
4.27-4.29
Uneven
Perfect {010}
5-5.5
FeO(OH)Arthur Thomas , Gemstones (2009)

Angelite and Goethite Chemical Formula

While comparing Angelite 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 Angelite and Goethite chemical formula.

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Angelite and Goethite Specific Gravity

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