Rubicline, a new feldspar from San Piero in Campo, Elba, Italy Teertstra, David K. ; Cerny, Petr ; Hawthorne, Frank C. ; Pier, Julie ; Wang, Lu-Min ; Ewing, Rodney C. Abstract Publication: American Mineralogist Pub Date: December 1998 DOI: 10.2138/am-1998-11-1223 Bibcode: 1998AmMin..83.1335T