Yellow, Brownish, Reddish, Green, Brownish, Yellow, Green, Yellow, Red
Green, Yellow, Colorless, Grey, Brown, White, Red
Uneven
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)