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