Southern and central Africa
Not Available, Southern and central Africa
Black, Brownish, White, Brown
Blue
Not Available
Leo, Gemini, Capricorn, Leo, Gemini, Capricorn, Leo, Gemini, Capricorn, Leo, Gemini, Capricorn, Leo, Gemini, Capricorn, Leo, Gemini, Capricorn, Leo, Gemini, Capricorn, Leo, Gemini, Capricorn
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Not Available