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Amethyst and Goethite Physical Properties


Goethite and Amethyst Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
insoluble in common solvents   
HCl soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.65   
4.27-4.29   

Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).   

Cleavage
Indiscernible   
Perfect {010}   

Mohs Hardness
7   
5-5.5   

Chemical Composition
SiO2   
FeO(OH)Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Amethyst and Goethite Chemical Formula

While comparing Amethyst 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 Amethyst and Goethite chemical formula.

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Amethyst and Goethite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Goethite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Goethite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 4.27-4.29 whereas that of Goethite is 4.27-4.29.

Semi Precious

Semi Precious


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