Manganotantalite and Galena Physical Properties

Manganotantalite

Galena

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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 Available6.23

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Subconchoidal, Brittle, Metallic

1.6 Cleavage

Not Available

Cubic perfect on [001], parting on [111]

1.7 Mohs Hardness

5.5-6.52.5-2.75

2 10

1.8 Chemical Composition

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

PbS

Manganotantalite and Galena Chemical Formula

While comparing Manganotantalite and Galena 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 Galena chemical formula.

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

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Manganotantalite and Galena Specific Gravity

Another important criteria for qualitative analysis of gemstones is Manganotantalite and Galena Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Manganotantalite and Galena Optical Properties during the identification of gemstone. Specific gravity of Manganotantalite is 6.23 whereas that of Galena is 6.23.