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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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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
HCl soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available4.27-4.29
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
1.6 Cleavage
Not Available
Perfect {010}
1.7 Mohs Hardness
3.55-5.5
Amber
2 10
1.8 Chemical Composition
Not Available
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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  • Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

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 and Goethite Optical Properties during the identification of gemstone. Specific gravity of Angelite is 4.27-4.29 whereas that of Goethite is 4.27-4.29.