Sapphire

Sapphire is the mineral corundum and is typically thought of as blue, but in fact it exists in every color except red because red corundum is know as ruby. Corundum is a 9 in hardness on the Moh’s scale.

The best blue sapphires are pure, vivid, medium blue with no modifying colors.

The ancient civilization of Persia believed the earth lay on an enormous sapphire whose reflection created the color of the skies above.  Sapphires symbolize honesty and fidelity.