Fluor-dravite
Cream of the Valley Road, Gouverneur, St. Lawrence County, New York, USA
Quartz of Tessin habit and fluor-dravite. Michael Walter collected this 3.5-cm-tall specimen in 2003. Steve Chamberlain specimen 15332 and photo. Specimens identified as fluor-dravite in CHAMBERLAIN, S. C., LUPULESCU, M. and ROWE, R. (2008) Discovery of fluorine-dominant dravite near Gouverneur, St. Lawrence County, New York. Rocks and Minerals ...
© Steve Chamberlain