Slyudyankaite
Slyudyankaite is an IMA-recognized mineral species in the organic mineral class, with the chemical formula Na₂₈Ca₄(Si₂₄Al₂₄O₉₆)(SO₄)₆(S₆)₁/₃(CO₂)·2H₂O.
It crystallizes in the triclinic crystal system (space group P1). It is a member of the Sodalite structural group.
IMA symbol Sdy, IMA status: approved, named in 2022.
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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