Stibiotantalite and Sapphirine Physical Properties

Stibiotantalite

Sapphirine

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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 Available3.40-3.58

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), Uneven

1.6 Cleavage

{???} Perfect

{010} Perfect

1.7 Mohs Hardness

5.5-67.5

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Stibiotantalite and Sapphirine Chemical Formula

While comparing Stibiotantalite and Sapphirine 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 Sapphirine chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Stibiotantalite and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.