Cerite

Rarity: Common

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Notion

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Science and technology

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What Wikipedia says

Cerite is a complex silicate mineral group containing cerium, formula (Ce,La,Ca)9(Mg,Fe3+)(SiO4)6(SiO3OH)(OH)3. The cerium and lanthanum content varies with the Ce rich species (cerite-(Ce)) and the La rich species (cerite-(La)).

Excerpt from the Wikipedia article “Cerite”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Didier Descouens, CC BY-SA 3.0, via Wikimedia Commons.