Mineral iron sulphides

[21] SENARMONT, 1851, ANN PHYS CHEM, V32, P129

[22] *US GEOL SURV, B US GEOL SURV, V186

[23] VANHISE, 1904, MON USGS, V47, P363

[24] VANHISE, 1904, MON USGS, V47, P215

[25] VANTHOFF, 1901, BRAUNSCHWEIG, V1, P236

[26] VERFAHREN K, 1902, CHEM IND, V25, P531

[27] VERFAHREN K, 1903, CHEM CENTRLBL, V1, P125

[28] VONFODOR J, 1893, HYGIENE BODENS, V1, P137

[29] WOHLER, LIEB ANN, V17, P260

[30] SYSTEM MINERALOGY, P95

[21] SENARMONT, 1851, ANN PHYS CHEM, V32, P129

[22] *US GEOL SURV, B US GEOL SURV, V186

[23] VANHISE, 1904, MON USGS, V47, P363

[24] VANHISE, 1904, MON USGS, V47, P215

[25] VANTHOFF, 1901, BRAUNSCHWEIG, V1, P236

[26] VERFAHREN K, 1902, CHEM IND, V25, P531

[27] VERFAHREN K, 1903, CHEM CENTRLBL, V1, P125

[28] VONFODOR J, 1893, HYGIENE BODENS, V1, P137

[29] WOHLER, LIEB ANN, V17, P260

[30] SYSTEM MINERALOGY, P95