Baddeleyite and Star Sapphire Physical Properties

Baddeleyite

Star Sapphire

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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

5.5-6.03.90-4.05

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{001} Distinct

Not Available

1.7 Mohs Hardness

6.5Not Available

2 10

1.8 Chemical Composition

ZrO 2Arthur Thomas , Gemstones (2009)

Al 2O 3Ulrich Henn and Claudio C.

Baddeleyite and Star Sapphire Chemical Formula

While comparing Baddeleyite 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 Baddeleyite and Star Sapphire chemical formula.

Chemical formula of Baddeleyite- ZrO 2Arthur Thomas , Gemstones (2009)
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

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Baddeleyite and Star Sapphire Specific Gravity

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