The modern popularity of padparadscha and pink sapphires aside, blue sapphires are traditionally the most coveted members of the sapphire family. Coming in a wide variety of hues, sapphires range in color from pastel blues all the way through to the depths of midnight blue.
Australian, Ceylon, Kanchanaburi, Madagascan, Midnight Blue, Nigerian, Pailian, Shangdong, Tanzanian
Sapphire |
September's Birthstone |
Major Sources |
Australia, Burma, Cambodia, China, India, Kenya, Madagascar, Nigeria, Sri Lanka, Tanzania, Thailand & Vietnam |
Colors Found |
Various |
Family |
Corundum: Al2O3 |
Hardness |
9 |
Refractive Index |
1.76 - 1.78; Uniaxial (-) |
Specific Gravity |
3.95 4.03 |
Crystal System |
Trigonal |
©2011 America's Collectibles Network Inc. ♦ Gerald D. Sisk, JR. ♦ Guide to Gems & Jewelery ♦ Jewelry Television™