Stibiotantalite and Marcasite Physical Properties

Stibiotantalite

Marcasite

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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 Available4.80-4.90

1 7.18

1.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

{???} Perfect

{010} Indistinct

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Stibiotantalite and Marcasite Chemical Formula

While comparing Stibiotantalite and Marcasite 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 Marcasite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Stibiotantalite and Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Marcasite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 4.80-4.90 whereas that of Marcasite is 4.80-4.90.