Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Uneven
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Mn 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006)
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)