Rossmanite and Stibiotantalite Physical Properties

Rossmanite

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

3Not Available

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

None

{???} Perfect

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

SbTaO 4Ulrich Henn and Claudio C.

Rossmanite and Stibiotantalite Chemical Formula

While comparing Rossmanite 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 Rossmanite and Stibiotantalite chemical formula.

Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

Compare Gems Found in America

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Rossmanite and Stibiotantalite Specific Gravity

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