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Mother of Pearl
Mother of Pearl

Corundum
Corundum



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Mother of Pearl
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Corundum

Mother of Pearl and Corundum Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.87
3.90-4.05
1.5 Fracture
Not Available
Uneven, Uneven, Gems, Difficult, Fibrous
1.6 Cleavage
Not Available
None – parting in 3 directions
1.7 Mohs Hardness
2.5-4.5
9
1.8 Chemical Composition
Not Available
Al 2O 3Arthur Thomas , Gemstones (2009)

Mother of Pearl and Corundum Chemical Formula

While comparing Mother of Pearl and Corundum 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 Mother of Pearl and Corundum chemical formula.

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  • Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)

Mother of Pearl and Corundum Specific Gravity

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