Monazite Visible Spectra (400 - 1000 nm)
Members of the monazite group are rare earth phosphates, MPO4 where M is a rare earth element, Th, Ca or Bi.
Image of the Monazite absorption spectrum
2349 spectrum; Presumably, monazite-(Ce) from the Lakeview Mountains, near
Nuevo, Riverside County, California. This is an orange-brown
0.810 mm thick sample. The color is from its rare-earth content. Data
File: 26K; (these
are unpolarized data from a (100) slab). Expanded view showing
the near-infrared region to 3000 nm.
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