Stibiotantalite and Moldavite Physical Properties

Stibiotantalite

Moldavite

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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 Available2.32-2.38

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{???} Perfect

Not Available

1.7 Mohs Hardness

5.5-65.5

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Stibiotantalite and Moldavite Chemical Formula

While comparing Stibiotantalite and Moldavite 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 Moldavite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

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Stibiotantalite and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.