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Silicate

Ferri-hellandite-(Ce)

(Ca₃Ce)Ce₂Fe³⁺₂B₄Si₄O₂₂(OH)₂
Crystal systemMonoclinic
ClassSilicate
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Ferri-hellandite-(Ce)

Ferri-hellandite-(Ce) is an IMA-recognized mineral species in the silicate class, with the chemical formula (Ca₃Ce)Ce₂Fe³⁺₂B₄Si₄O₂₂(OH)₂.

It crystallizes in the monoclinic crystal system (space group P2/a). It is a member of the Hellandite structural group.

IMA symbol Fhld-Ce, IMA status: approved, named in 2021.

Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet. Browse more F minerals or help write this entry.