Rubies, valued as precious gems, are the mineral corundum in its red form. Perhaps the country best known for its rubies was Myanmar (Burma), but the country's production has greatly decreased.

Pure corundum and beryl are colorless ... You can take delight in the amazing colors of the gemstones, but through chemistry, you can also see how nature creates those colors using an endless ...

Success achieved in the setting of gemstones of the corundum family using the unique carbonlokd setting process. Blue Diamonds Jewellery Worldwide PLC who were responsible for developing and ...