Technical speaking no gem, but a rock fragment. Also not included in the Mindat database.Het syenite is a combination of aegerine and orthoclase. Syenite itself is an igneous rock and Nundoriet has the added spots of aegerine that makes it attractive. the original name Nundoorite was used for this combination of minerals, it IS only natural that marketers use the existing name for the new material, whether it comes from Nundoora station.