ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Not Available
CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)