Gadolinite-(y) Crystals in Display Case
Weight: 1.77 Grams
Longest Crystal Length: 15.9mm
Formula:Y2FeBe2Si2O10
Locality: Deer Park Mine, Penland, Mitchell County, North Carolina, USA
38% Yttrium by mass
Gadolinite-(Y) is a rare and historically significant silicate mineral famous for being the original source from which the element yttrium was first discovered by Finnish chemist Johan Gadolin in 1794.
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