Moldavite and Stibiotantalite Physical Properties

Moldavite

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

2.32-2.38Not Available

1 7.18

1.5 Fracture

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

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

5.55.5-6

2 10

1.8 Chemical Composition

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

SbTaO 4Ulrich Henn and Claudio C.

Moldavite and Stibiotantalite Chemical Formula

While comparing Moldavite 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 Moldavite and Stibiotantalite chemical formula.

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

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Moldavite and Stibiotantalite Specific Gravity

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