FIG. 4. Laurite grain, P-1-2, containing a sulphide inclusion: (a) Subhedral shape of the grain; (b) photomicrograph of the grain; (c) BSE electron image of the grain; and (d) BSE image of the sulphide inclusion. The compositions of the areas marked by X are listed in Table 2. Abbreviations: Bn = bornite, Cp = chalcopyrite, Hz = heazlewoodite, Pn = pentlandite.