Jasper and Star Sapphire Physical Properties

Jasper

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

2.58-2.913.90-4.05

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Not Available

1.6 Cleavage

Indiscernible

Not Available

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

SiO₂

Al 2O 3Ulrich Henn and Claudio C.

Jasper and Star Sapphire Chemical Formula

While comparing Jasper 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 Jasper and Star Sapphire chemical formula.

Chemical formula of Jasper- SiO₂
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

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Jasper and Star Sapphire Specific Gravity

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