| Title | Bastnaesite from Mountain Pass, California |
| Description | This 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. |
| Location | USA ▹ California. Near Baker. Mountain Pass Deposit. |
| Photographer | Darla Sondrol. 2001-06-20. |
| Collection | University of North Dakota Mineralogy Collection #761. |
| Key words | Bastnaesite, California |
| Tech details | 633 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 821 |
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