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Corundum
Corundum




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Physical Properties of Corundum

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

-

Specific Gravity

3.90-4.05
1 7.18
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Fracture

Uneven, Fibrous

Cleavage

None – parting in 3 directions

Mohs Hardness

9
2 10
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Chemical Composition

Al 2O 3Arthur Thomas , Gemstones (2009)

Corundum Cleavage

When it comes to choosing the best pick among Violet Gemstones gemstones, Corundum is known to be a popular choice!Physical properties of Corundum include its hardness, gravity, fracture, cleavage, etc. For any gemstone crystal, Corundum Optical Properties are responsible for imparting various physical properties to its structure. Knowledge of these properties is equally important to gem-cutters as well as to consumers. Corundum cleavage is nothing but the plane across which the crystal splits during cutting. .

The physical properties of Corundum, in fact, are imparted by the chemical composition of its individual molecule. The reactivity or inertness of the crystal is solely governed by its chemical structure.