Italy, India, USA, Canada
Not Available
White, Colorless, Green, Yellow, Brown, Brown, Colorless, Yellow, White, Green
White, Colorless, Blue, Red, Green, Yellow, Violet
Brittle, Uneven, Brittle, Uneven
ConchoidalArthur Thomas, Gemstones (2009)
NaCa16Si23AlO60(OH)8•64(H2O)
Tourmaline is a series of several different minerals with unique chemical formulas.