Manganotantalite and Purpurite Physical Properties

Manganotantalite

Purpurite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.2-3.4

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

[100] [001] perfect

1.7 Mohs Hardness

5.5-6.54-4.5

2 10

1.8 Chemical Composition

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

MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Manganotantalite and Purpurite Chemical Formula

While comparing Manganotantalite and Purpurite 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 Purpurite chemical formula.

Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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Manganotantalite and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Manganotantalite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Manganotantalite and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Manganotantalite is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.