A slag phase first found in 1994 by collector Bonifazi Marco.
Probably a mixture of Calcite and a pyroxene (near Diopside).
Originally reported from Traversella Mine, Traversella, Chiusella Valley, Canavese District, Torino Province, Piedmont, Italy.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.