The astonishing color of the rubies is due to the traces of chromium.
Unlike diamonds and other gems, small inclusions enhance the beauty of rubies, making them look more captivating and velvety. Finding a flawless ruby without imperfections is rare. When found these are priced higher than diamonds.
The Sunrise Ruby, a 25.59-carat Burmese ruby has been by far the most expensive ruby mined. It was sold at auction for over 30 million dollars.
A majority of the rubies will fluoresce when exposed to sunlight. The also fluoresce a bright red under UV "black light"
Rubies can possess what is known as “Pigeon’s blood,” a very dark red hue.
Rubies, are found all over the world. Myanmar is the world’s largest supplier of rubies. While Burmese rubies continue to lead the market, Mozambique is becoming a hotspot for new mines.
During Medieval times rubies signified wisdom.