Galena and Manganotantalite Physical Properties

Galena

Manganotantalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.23Not Available

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

2.5-2.755.5-6.5

2 10

1.8 Chemical Composition

PbS

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

Galena and Manganotantalite Chemical Formula

While comparing Galena 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 Galena and Manganotantalite chemical formula.

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

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Galena and Manganotantalite Specific Gravity

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