Definition: Spinel is an affordable gemstone that was once thought to be related to the corundum family (ruby and sapphire), because it found near deposits of those gemstones and exhibits some of the same characteristics.
Spinel is available in a range of colors, but the most popular is bright orange-red. Spinel is rated at 8 on the Mohs scale.
Also Known As: called rubicelle when spinel was believed to be related to ruby

