Chukhrovite-(Ce)
Chukhrovite-(Ce) is an IMA-recognized mineral species in the sulfate class, with the chemical formula Ca₃CeAl₂(SO₄)F₁₃·12H₂O.
It crystallizes in the cubic crystal system. It is a member of the Chukhrovite structural group.
Key properties: Mohs hardness 3.
IMA symbol Chk-Ce, IMA status: approved, named in 1973.
Found in a hydrothermal barite–fluorite vein deposit (Clara mine, Germany); from the oxidized zone of a banded sellaite–tourmaline–fluorite deposit (Yaroslavsk deposit, Russia).
It is found associated with Fluorite, jarosite, pyrite, sulfur (Clara mine, Germany); sellaite, gearksutite, yaroslavite (Yaroslavsk deposit, Russia).
The name refers to its relation to chukhrovite-(Y) and content of cerium as the dominant rare-earth element.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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