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Goethite
Goethite

Grossular
Grossular



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Goethite
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Grossular

Goethite and Grossular Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
HCl soluble
-
4.27-4.29
Uneven
Perfect {010}
5-5.5
FeO(OH)Arthur Thomas , Gemstones (2009)
 
-
-
-
3.55-3.73
Conchoidal, Uneven
none
7-7.5
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Goethite and Grossular Chemical Formula

While comparing Goethite and Grossular 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 Grossular chemical formula.

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Goethite and Grossular Specific Gravity

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