Star Sapphire and Rutile Physical Properties

Star Sapphire

Rutile

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.054.20-4.30

1 7.18

1.5 Fracture

Not Available

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

Not Available6-6.5

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Star Sapphire and Rutile Chemical Formula

While comparing Star Sapphire and Rutile 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 Rutile chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Star Sapphire Vs Tortoiseshell

Star Sapphire Vs Tourmaline

Star Sapphire Vs Verdite

Star Sapphire and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Rutile Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 4.20-4.30 whereas that of Rutile is 4.20-4.30.