Locality: Keystone Western Deposit, Petaca Mining District, Rio Arriba County, New Mexico, USA
Formula: Ce(PO₄)
Found using The yDog by its maker, Charles David Young, who also performed the XRF analysis and numbered the bottom of the specimen.
Monazite-(Ce) is a reddish-brown mineral rich in cerium, thorium, and other rare earth elements. It's a significant source of rare earth metals, utilized in electronics, optics, and catalysis.
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