Tsumeb is the Type Locality
Extremely rare. Reported to be from the "deep levels" of the mine, and believed to be from the second oxidation zone (?)
- 2nd Oxidation Zone
Paragenetic and General Notes
Ekatite is one of the rarer arsenite minerals discovered from Tsumeb. The original specimen was submitted for study by Michael Grieser, a German collector but, during the course of study, a second specimen was provided by Herbert Nägele, of Windhoek, Namibia, who was also the original source of the Grieser specimen. Ekatite occurs on a matrix of chalcocite and quartz, as small radiating sprays of striated brownish-black needles. Ekatite is structurally related to phosphoellenbergerite, ellenbergerite and holtedahlite, as well as to several transition-metal tellurites, selenites and phosphites.