September is Sapphire

What is the finest color in blue sapphire? Actually there are two standards. For the first, think of the sky at midnight in the light of a full moon. The color is a dark, but not inky, it is a rich vibrant blue with perhaps a touch of purple that imparts a velvety hue. It is a color that teeters on the edge of darkness. Gems of this description are most often found in Burma and Sri Lanka and