Goethite and Kornerupine Physical Properties

Goethite

Kornerupine

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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)

3.25-3.45

Conchoidal, Uneven

Good on {110}

6.5

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Goethite and Kornerupine Chemical Formula

While comparing Goethite and Kornerupine 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 Kornerupine chemical formula.

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Goethite and Kornerupine Specific Gravity

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