The Composition and Morphology of Amphiboles from the Rainy Creek Complex, Near Libby, Montana Meeker, G. P. ; Bern, A. M. ; Brownfield, I. K. ; Lowers, H. A. ; Sutley, S. J. ; Hoefen, T. M. ; Vance, J. S. Abstract Publication: American Mineralogist Pub Date: November 2003 DOI: 10.2138/am-2003-11-1239 Bibcode: 2003AmMin..88.1955M