Johnkoivulaite
Johnkoivulaite is an IMA-recognized mineral species in the silicate class, with the chemical formula Cs[Be₂B]Mg₂Si₆O₁₈.
It crystallizes in the hexagonal crystal system (space group P6/mcc). It is a member of the Beryl structural group.
IMA symbol Joh, IMA status: approved, named in 2019.
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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