Stibiotantalite and Sugilite Physical Properties

Stibiotantalite

Sugilite

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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 Available2.69-2.79

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{???} Perfect

Poor on {0001}

1.7 Mohs Hardness

5.5-65.5-6.5

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Stibiotantalite and Sugilite Chemical Formula

While comparing Stibiotantalite and Sugilite 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 Sugilite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Stibiotantalite and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Sugilite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 2.69-2.79 whereas that of Sugilite is 2.69-2.79.