Manganotantalite and Atacamite Physical Properties

Manganotantalite

Atacamite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.745-3.776

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

Not Available

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

5.5-6.53-3.5

2 10

1.8 Chemical Composition

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

Cu2Cl(OH)3

Manganotantalite and Atacamite Chemical Formula

While comparing Manganotantalite and Atacamite 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 Atacamite chemical formula.

Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Atacamite- Cu2Cl(OH)3

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Manganotantalite and Atacamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Manganotantalite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Manganotantalite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Manganotantalite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.