Goethite and Ceylonite Physical Properties

Goethite

Ceylonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

HCl soluble

none

1.3 Durability

Not Available

1.4 Specific Gravity

4.27-4.293.63-3.9

1 7.18

1.5 Fracture

Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect {010}

Indistinct

1.7 Mohs Hardness

5-5.57.5-8

2 10

1.8 Chemical Composition

FeO(OH)Arthur Thomas , Gemstones (2009)

(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

Goethite and Ceylonite Chemical Formula

While comparing Goethite and Ceylonite 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 Ceylonite chemical formula.

Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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Goethite and Ceylonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goethite and Ceylonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goethite and Ceylonite Optical Properties during the identification of gemstone. Specific gravity of Goethite is 3.63-3.9 whereas that of Ceylonite is 3.63-3.9.