UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
FeO(OH)Arthur Thomas , Gemstones (2009)