Kuliginite
Kuliginite is an IMA-recognized mineral species in the halide class, with the chemical formula Fe₃Mg(OH)₆Cl₂.
It crystallizes in the hexagonal crystal system (space group R-3).
Key properties: Mohs hardness 3–3.5; specific gravity 3.13.
IMA symbol Klg, IMA status: approved, named in 2016.
Found in cavities or veins in weakly serpentinized volcaniclastic and coherent kimberlites of the Udachnaya East kimberlite pipe, Yakutia, Russia.
It is found associated with Iowaite, gypsum, calcite, halite, barite, celestine.
The mineral was named to honor Sergey Semenovich Kuligin (1961-2014), Russian geologist, Sobolev Institute of Geology and Mineralogy, Novosibirsk, Russia, who studied Yakutian kimberlites, xenoliths.
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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