Hongheite
Hongheite is an IMA-recognized mineral species in the silicate class, with the chemical formula Ca₁₉Fe²⁺Al₄(Fe³⁺,Mg,Al)₈( ,B)₄BSi₁₈O₆₉(O,OH)₉.
It crystallizes in the tetragonal crystal system (space group P4/nnc). It is a member of the Vesuvianite structural group.
IMA symbol Hgh, IMA status: approved, named in 2017.
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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