Star Sapphire and Stibiotantalite Physical Properties

Star Sapphire

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

3.90-4.05Not Available

1 7.18

1.5 Fracture

Not Available

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

Not Available5.5-6

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

SbTaO 4Ulrich Henn and Claudio C.

Star Sapphire and Stibiotantalite Chemical Formula

While comparing Star Sapphire 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 Star Sapphire and Stibiotantalite chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

Compare Blue Gemstones

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Star Sapphire Vs Tourmaline

Star Sapphire Vs Tortoiseshell

Star Sapphire and Stibiotantalite Specific Gravity

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