9fhuu ((YITTROFLUORITE)), foote label $20 MINIMUM BID, Hundholmen, Nordland, Norway, 7 x 4 x 3.5 cm, Cabinet, Old Foote Label | |
Old Foote Label, Philad'a. Here is a rare variety of Fluorite containing appreciable amounts of Yittrium replacing Calcium anions, This was originally reported from Hundholmen but discredited as a mineral species in 2006. ex University of Utah Dept of Geol and Geophys. |