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The chemical composition of ruby is aluminum oxide (Al 2 O3). Its specific gravity is 3.99 to 4.00 and refractive index range is 1.760-1.768 to 1.770-1.779. Ruby's hardness on Mohs scale is 9. It's the next hardest mineral after diamond.

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What is the chemical formula and corresponding composition of ruby?

Ruby is aluminium oxide (Al2O3) with chromium as an impurity.


A ruby is a natural gem?

A ruby is a naturally occurring crystal of the mineral corundum. Rubies can also be created in laboratory settings as well. The chemical composition and crystalline structure is identical.


When water evaporates its chemical composition?

The chemical composition remain unchanged.


Properties of a ruby?

The chemical composition of ruby is aluminum oxide (Al 2 O3). Its specific gravity is 3.99 to 4.00 and refractive index range is 1.760-1.768 to 1.770-1.779. Ruby's hardness on Mohs scale is 9. It's the next hardest mineral after diamond.


What is the composition of a ruby?

Ruby is the name given to red corundum, which is a mineral composed of aluminum and oxygen.


What is the chemical symbol of the ruby?

Ruby is a form of the mineral corundum, which has the formula Al2O3.


What is the diffence between physical and chemical properties as well an physical and chemical changes?

Physical properties can be observed without changing the chemical composition of a substance. Chemical properties can only be observed by changing the chemical composition of the substance. In a physical change, the chemical composition of the substance does not change. In a chemical change, the chemical composition of the substance changes.


Groups of rocks are classified by?

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Are rocks a chemical makeup?

Yes, the composition of the rocks is as a result of the distinct chemical composition.


Does melting ice changes the chemical composition of water?

The chemical composition of water remain unchanged.


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