Blue sapphire is a crystal of order, structure, and a limitation due to its association with Saturn. It is helpful in matters of self discipline, whether routine daily tasks or projects requiring extreme focus. It is also said to relieve tension headaches and insomnia.

Planet: Earth, Mars, Saturn
Chakra: Crown, Third eye, Heart, Solar Plexus, Sacral
Zodiac: Gemini, Cancer, Leo, Virgo, Libra, Sagittarius, Capricorn