Brazilianite and Stibiotantalite Physical Properties

Brazilianite

Stibiotantalite

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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

2.98-2.99Not Available

1 7.18

1.5 Fracture

Conchoidal, Gems

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

1.6 Cleavage

(010) Distinct to good

{???} Perfect

1.7 Mohs Hardness

5.55.5-6

2 10

1.8 Chemical Composition

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SbTaO 4Ulrich Henn and Claudio C.

Brazilianite and Stibiotantalite Chemical Formula

While comparing Brazilianite and Stibiotantalite 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 Brazilianite and Stibiotantalite chemical formula.

Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

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Brazilianite and Stibiotantalite Specific Gravity

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