Aurivilliusite
Aurivilliusite is an IMA-recognized mineral species in the halide class, with the chemical formula Hg¹⁺Hg²⁺OI.
It crystallizes in the monoclinic crystal system (space group C2/c).
Key properties: specific gravity 8.96; Dark red-brown streak; Metallic. Extremely light- sensitive luster.
IMA symbol Avl, IMA status: approved, named in 2002.
A rare mineral of uncertain paragenesis in a suite of Hg-bearing oxy-halide phases.
It is found associated with Native mercury, cinnabar, edgarbaileyite.
The mineral was named to honor Dr. Karin Aurivillius (1920–1982) University of Lund, Sweden, who synthesized and determined the crystal structures of many Hg compounds.
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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