Beat Quality of Ruby
Read More- A-Z Guide of Cabochon Gemstones
1. A variety of the mineral corundum (aluminium oxide).
2. Ruby is the July birthstone.
3. Hardness of 9.0 on the Mohs scale.
4. India was classically regarded as the Ruby's country of origin for more than two thousand years. Recently, Sri Lanka, Pakistan, and Afghanistan have exposed substantial Ruby deposits.
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