Southern and central Africa
Not Available, Southern and central Africa
Violet, Blue, Yellow, Brown, White, Colorless
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
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Not Available