Goethite and Shattuckite Physical Properties

Goethite

Shattuckite

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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

4.27-4.293.80-4.15

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect {010}

perfect along [010] and [100]

1.7 Mohs Hardness

5-5.53.5-4

2 10

1.8 Chemical Composition

FeO(OH)Arthur Thomas , Gemstones (2009)

Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Goethite and Shattuckite Chemical Formula

While comparing Goethite and Shattuckite 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 Shattuckite chemical formula.

Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Goethite and Shattuckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goethite and Shattuckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goethite and Shattuckite Optical Properties during the identification of gemstone. Specific gravity of Goethite is 3.80-4.15 whereas that of Shattuckite is 3.80-4.15.