Stibiotantalite and Proustite Physical Properties

Stibiotantalite

Proustite

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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 Available5.51-5.64

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{???} Perfect

Distinct on {10 1 1}

1.7 Mohs Hardness

5.5-62.5

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Stibiotantalite and Proustite Chemical Formula

While comparing Stibiotantalite and Proustite 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 Stibiotantalite and Proustite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Stibiotantalite and Proustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Proustite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 5.51-5.64 whereas that of Proustite is 5.51-5.64.