Jeremejevite and Star Sapphire Physical Properties

Jeremejevite

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

3.28-3.313.90-4.05

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Not Available

1.6 Cleavage

None observed

Not Available

1.7 Mohs Hardness

6.5-7.5Not Available

2 10

1.8 Chemical Composition

Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

Al 2O 3Ulrich Henn and Claudio C.

Jeremejevite and Star Sapphire Chemical Formula

While comparing Jeremejevite 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 Jeremejevite and Star Sapphire chemical formula.

Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

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Jeremejevite and Star Sapphire Specific Gravity

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