Watermelon Tourmaline and Stibiotantalite Physical Properties

Watermelon Tourmaline

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

2.90-3.40Not Available

1 7.18

1.5 Fracture

Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)

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

1.6 Cleavage

Not Available

{???} Perfect

1.7 Mohs Hardness

7-7.55.5-6

2 10

1.8 Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

SbTaO 4Ulrich Henn and Claudio C.

Watermelon Tourmaline and Stibiotantalite Chemical Formula

While comparing Watermelon Tourmaline 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 Watermelon Tourmaline and Stibiotantalite chemical formula.

Chemical formula of Watermelon Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

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Watermelon Tourmaline and Stibiotantalite Specific Gravity

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