Irregular, Brittle, Conchoidal
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
On {011}, distinct; on {001}, {013}, indistinct
none
PbMoO 4Walter Schumann , Gemstones of the world (2001)
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)