Properties
Mineral group: Corundum
Chemistry: Aluminiumoxid Al2O3
Color: Every color except red (which is ruby) or pinkish-orange (padparadscha)
Crystal system: Trigonal
Mohs Scale hardness: 9
Refractive index: 1,766-1,774
Birefringence: 0,008
Specific gravity: 3,97-4,05
Other
Very rare and valuable gemstone in fact the most popular gemstone according to erlier done investigations. The lovely blue color comes from iron and titanium for the maybe most populare varity of sapphire. Deposits in Burma, Australien, Ceylon, Thailand, Brasilien, Kambodja, Kenya, Malawi and others.
Gemstone Guides & Knowledge
Read more about Sapphire on RIDDGEM Blog
Watch movies and Shorts about Sapphire on RIDDGEM YouTube
Read more about Sapphire in our Gemstone Information
Sapphire – Healing Properties
Sapphire is a powerful crystal for wisdom, clarity and spiritual insight. It has long been known as the "stone of wisdom" and is used to enhance mental clarity, intuition and inner peace. Sapphire comes in several colors, but the most famous is blue sapphire, which is connected to communication and truth.
Read/learn more about Sapphire – Healing Properties




