Stibiotantalite and Rossmanite Physical Properties

Stibiotantalite

Rossmanite

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1 Physical Properties

0.1 Tenacity

Not Available

1.3 Solubility

Not Available

1.6 Durability

Not Available

1.8 Specific Gravity

Not Available3

1 7.18

1.16 Fracture

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

Brittle, Metallic

1.17 Cleavage

{???} Perfect

None

1.18 Mohs Hardness

5.5-6Not Available

2 10

1.19 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

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

Stibiotantalite and Rossmanite Chemical Formula

While comparing Stibiotantalite and Rossmanite 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 Rossmanite chemical formula.

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

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Stibiotantalite and Rossmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Rossmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Rossmanite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 3 whereas that of Rossmanite is 3.