Carnallite and Star Sapphire Physical Properties

Carnallite

Star Sapphire

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.63.90-4.05

1 7.18

1.5 Fracture

Violet, Conchoidal, Brittle, Conchoidal, Brittle

Not Available

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

2.5Not Available

2 10

1.8 Chemical Composition

KMgCl3•6(H2O)

Al 2O 3Ulrich Henn and Claudio C.

Carnallite and Star Sapphire Chemical Formula

While comparing Carnallite 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 Carnallite and Star Sapphire chemical formula.

Chemical formula of Carnallite- KMgCl3•6(H2O)
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

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Carnallite and Star Sapphire Specific Gravity

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