Goethite and Liddicoatite Physical Properties

Goethite

Liddicoatite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

HCl soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.27-4.293.02

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

1.6 Cleavage

Perfect {010}

{0001} Poor

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

FeO(OH)Arthur Thomas , Gemstones (2009)

Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Goethite and Liddicoatite Chemical Formula

While comparing Goethite and Liddicoatite 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 Liddicoatite chemical formula.

Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Goethite and Liddicoatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goethite and Liddicoatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goethite and Liddicoatite Optical Properties during the identification of gemstone. Specific gravity of Goethite is 3.02 whereas that of Liddicoatite is 3.02.