Source: Brazil, Kenya, Madagascar, Mozambique, Pakistan, Tanzania, Zambia, United States.
Mineral: Tourmaline
Hardness: 7-7.5
Colour: all colours including bi-colour, watermelon tourmaline slices, green tourmaline and rubellite.
Clarity; Inclusions in tourmaline appear in the form of a crystal growth.
Treatments: Most are not treated as they are natural stones, however some blue to green colour tourmalines have been heat treated.
Care and cleaning: Warm soapy water is the best method for cleaning.
Birthstone: October
Stone properties: Builds self-confidence