a. Essentially, a diarsenide of cobalt but usually with a considerable
amount of iron, and rarely, a small amount of nickel.
Syn: cobalt lollingite
b. An orthorhombic mineral, 4[CoAs2 ] ; loellingite group;
dimorphous with clinosafflorite; metallic; tin-white tarnishing to dark
gray; sp gr, 7.4; in hydrothermal veins.
Source:
Dictionary of Mining, Mineral, and Related Terms