The uncommon sodium rare-earth phosphate mineral vitusite-(Ce) (Na3RE(PO4)2) can be considered as the extreme product of sodium and rare-earth substitution i the apatite structure. Lesser amounts of substitution provide sodium and rare-earth-bearing apatites up to about 80 mol. % exchange; beyond th...
| Main Authors: | , , |
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| Format: | Text |
| Language: | English |
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.613.9407 http://www.minersoc.org/pages/Archive-MM/Volume_56/56-383-235.pdf |