The birthstone of July, and the “King of Gemstones”, Ruby certainly is a popular gem choice among a vast collection. As we look at a glorious red ruby, one word pops in mind – Love. While we ...

Blasting precious stones with microwaves can make the gems clearer and more valuable Muddy coloured rubies could be made clearer using a microwave furnace Researchers heated the gems to 1,472°F ...