Ever since the beginning of mankind history Sapphire was admired and was referred to as a symbol of loyalty. It was believed that sapphire owned magical powers and was able to change its color  near powerful poisons, and was wore as a talisman to protect, heal and bring peace, joy, wisdom and prosperity. 

·         Sapphire is the birthstone associated with September.

·         The 45th wedding anniversary is known as the Sapphire anniversary.

Blue sapphire
Enhancement code H
Properties:
RI = 1.762-1.77
Hardness = 9
Specific gravity = 4.0
Species – Corundum
Optic character – DR
Phenomena – chatoyancy (very rare)

Care-
Clean with soapy water or commercial solvent and brush. Mechanical cleaners are safe, except for heavily included gems.

Reactions-
Ultrasonic: usually safe
Steamer: usually safe
Heat: poor; may sometimes improve color, but may cause loss of color
Chemicals: Borax

Major sources-
Australia, India, Myanmar, Kampuchea, Kenya, Sri Lanka, Tanzania, Thailand