1882, , Philosophical Magazine , The observation of Schrauf and Dana, that the same thermoelectrical peculiarities are shown by a holohedral mineral of the same crystalline system to which iron pyrites and cobaltine belong, will clearly not strengthen the position taken up by Rose.
1895 , Charles George Warnford Lock , Economic Mining , Norway possesses important cobalt deposits at Skuttemd, where be ore is chiefly cobaltine, associated with arsenical and iron pyrites, in bands of quartz-schist and mica-schist, which Prof. Le Neve Foster defines as beds in altered sedimentary strata, while others describe the formation as gneissic.
2000 , , Geology and Mineral Resources of Azerbaijan , The massive magnetite ores of the South Dashkesan deposit contain up to 12 per cent of sulphides being represented by a range of 70-80 per cent of pyrite, up to 10 per cent of chalcopyrite, cobaltine, rare pyrrhotite arsenopyrite, glaucodote, bornite, sphalerite and galenite.
