Hessonite and Goethite Physical Properties

Hessonite

Goethite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

HCl soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.55-3.73

4.27-4.29

1.5 Fracture

Uneven

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

7-7.5

5-5.5

1.8 Chemical Composition

Not Available

FeO(OH)Arthur Thomas , Gemstones (2009)

Hessonite and Goethite Chemical Formula

While comparing Hessonite 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 Hessonite and Goethite chemical formula.

Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

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Hessonite and Goethite Specific Gravity

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