SIEGENITE (Co,Ni)2S4 Isometric
Siegenite is an uncommon sulfide of nickel and cobalt found in hydrothermal deposits. WOOD COUNTY: Siegenite has been identified by XRD and EDS analysis of small gray metallic xls. found at the Frederick Schill Quarry, north of Vesper (SW NW sec. 5 t.23N. R4E. (Buchholz, 1999).
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