Robert Giede Designs
  
Frequently Asked Questions & Glossary

Ruby

Ruby, the birthstone for July, is the red variety of corundum.  Ruby was called Ratnaraj, which means "king of gems" by the ancient language of India, Sanskrit.  Ruby was named because of its red color.  It was in the 1800's that Ruby was recognized as belonging to the corundum family.  Red spinel and Garnet were called Ruby also before the 1800's.  Ruby appears dull and greasy as a rough stone but when it is cut Ruby can have the beauty of a diamond.  The oldest ruby sources are Burma and Sri Lanka.  The leading source of Ruby today is Thailand; others include Afghanistan, India, Kenya and Burma.  Ruby is commonly heated to improve the red color and the overall appearance.



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