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Tourmaline
トルマリン
Mohs hardness
7–7.5
Mineral group
Tourmaline group
Color
Multi-colored
MEANING
Hope & open-heartedness
LORE & HISTORY
Heat or friction gives it an electric charge — hence its Japanese name “electric stone.” Single crystals can show multiple colors. One of October’s birthstones.
Meanings and lore reflect widely known traditions and are not claims of effect. Hardness and mineral group are standard mineralogy — About our data