A Geoscience Digital Image Library

TitleBastnaesite from Mountain Pass, California
DescriptionThis 7 cm wide sample contains mostly bastnaesite (the reddish-brown mineral), (Ce,La)CO3(F,OH). It is mined as a source of rare-earth elements, including gadolinium, samarium, and neodymium. The name comes from Bastnäs, a mine in south-central Sweden. This sample comes from a famous mining district at Mountain Pass, California.
LocationUSA ▹ California. Near Baker. Mountain Pass Deposit.
PhotographerDarla Sondrol. 2001-06-20.
CollectionUniversity of North Dakota Mineralogy Collection #761.
Key wordsBastnaesite, California
Tech details633 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number821