| Formula: | | near (Ca,Mg,Fe) | | Si | | O | | · 0.5H | | O |
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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.