ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
CaTiSiO 5Ulrich Henn and Claudio C.
SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references