Alum-(Na)
Alum-(Na) is an IMA-recognized mineral species in the sulfate class, with the chemical formula NaAl(SO₄)₂·12H₂O.
It crystallizes in the cubic crystal system (space group Pa3). It is a member of the Alum structural group.
IMA symbol Aum-Na, IMA status: approved, named in 1951.
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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