UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)