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Cerite

Silicate mineral group containing cerium From Wikipedia, the free encyclopedia

Cerite
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Cerite is a complex silicate mineral group containing cerium, formula (Ce,La,Ca)
9
(Mg,Fe3+
)(SiO
4
)
6
(SiO
3
OH)(OH)
3
.[3] The cerium and lanthanum content varies with the Ce rich species (cerite-(Ce)) and the La rich species (cerite-(La)).[5][6] Analysis of a sample from the Mountain Pass carbonatite gave 35.05% Ce
2
O
3
and 30.04% La
2
O
3
.[3]

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Cerite was first described in 1803 for an occurrence in Bastnäs in Västmanland, Sweden.[4] The lanthanum rich species, cerite-(La) was first described for an occurrence in the Khibina massif, Kola Peninsula, Russia in 2002.[7]

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