Bastnäsite crystal photomicrograph and elemental spectra
By Geology, Minerals, Energy, and Geophysics Science Center
2022 (approx.)

Detailed Description
High-resolution detail of Fig. 5 (shown by box inset) of a bastnäsite crystal with parisite rim. The energy dispersive spectra (EDS) to the right shows the chemical variation between these minerals. Note the higher calcium (Ca) contents in parisite.
Sources/Usage
Public Domain.