Omongwaite
Omongwaite is an IMA-recognized mineral species in the sulfate class, with the chemical formula Na₂Ca₅(SO₄)₆·3H₂O.
It crystallizes in the monoclinic crystal system (space group C2).
Key properties: specific gravity 2.72.
IMA symbol Omo, IMA status: approved, named in 2003.
Occurs as inclusions in gypsum in a dry lake, closed-basin evaporite deposit.
It is found associated with Gypsum.
The name is derived from the locality from which the first specimens were obtained, the Omongwa pan, Namibia; “omongwa” with the meaning “salt” in the Otjiherero language.
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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