Irregular, Brittle, Conchoidal
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
On {011}, distinct; on {001}, {013}, indistinct
{001} Distinct
PbMoO 4Walter Schumann , Gemstones of the world (2001)
ZrO 2Arthur Thomas , Gemstones (2009)