Goethite and Manganotantalite Physical Properties

Goethite

Manganotantalite

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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

4.27-4.29Not Available

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect {010}

Not Available

1.7 Mohs Hardness

5-5.55.5-6.5

2 10

1.8 Chemical Composition

FeO(OH)Arthur Thomas , Gemstones (2009)

MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Goethite and Manganotantalite Chemical Formula

While comparing Goethite and Manganotantalite 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 Manganotantalite chemical formula.

Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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Goethite and Manganotantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goethite and Manganotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goethite and Manganotantalite Optical Properties during the identification of gemstone. Specific gravity of Goethite is Not Available whereas that of Manganotantalite is Not Available.