Manganotantalite and Goethite Physical Properties

Manganotantalite

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

Not Available4.27-4.29

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

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

5.5-6.55-5.5

2 10

1.8 Chemical Composition

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

FeO(OH)Arthur Thomas , Gemstones (2009)

Manganotantalite and Goethite Chemical Formula

While comparing Manganotantalite 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 Manganotantalite and Goethite chemical formula.

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

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Manganotantalite and Goethite Specific Gravity

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