Color:
Various; ranges from rich reds, pastel pinks and peach shades to intense emerald greens, vivid yellows and deep blues; also available in multi-color combinations
Gem family:
Tourmaline
Birthstone:
October
History:
Discovered in Brazil in the 1500s and mistakenly identified as a green emerald until the 1800s when scientists set the record straight.
Use in jewelry:
Its hardness, durability and many colors make it attractive for various jewelry applications.
Mohs hardness:
7-7.5 (1 softest to 10 hardest)
Common treatments:
Heating and irradiation can change or improve the color of tourmaline. All treatments must be disclosed.
Care:
Clean with warm water and mild soap.
