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Goethite
Goethite

Pyrope
Pyrope



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Goethite
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Pyrope

Goethite and Pyrope Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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HCl soluble
-
4.27-4.29
Uneven
Perfect {010}
5-5.5
FeO(OH)Arthur Thomas , Gemstones (2009)
 
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insoluble in water
-
3.62-3.87
Conchoidal
None
7-7.5
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Goethite and Pyrope Chemical Formula

While comparing Goethite and Pyrope 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 Pyrope chemical formula.

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Goethite and Pyrope Specific Gravity

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