Anatase and Star Sapphire Physical Properties

Anatase

Star Sapphire

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.82-3.973.90-4.05

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

Perfect on [001] and [011]

Not Available

1.7 Mohs Hardness

5.5-6Not Available

2 10

1.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Al 2O 3Ulrich Henn and Claudio C.

Anatase and Star Sapphire Chemical Formula

While comparing Anatase and Star Sapphire 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 Anatase and Star Sapphire chemical formula.

Chemical formula of Anatase- TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

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Anatase and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anatase and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anatase and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Anatase is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.