Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Uneven
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
Mn 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006)
CoAsSAnthony et al , Handbook of mineralogy (2001)