77 | Blackish fragments | Uranium, oxygen, and minor calcium, silicon and iron | Uraninite ICDD PDF 47-1879 | Uraninite, UO2 |
78 | Black lustre fragments | Copper and sulphur | Chalcocite ICDD PDF 33-0490 | Chalcocite, Cu2S Quartz-impure chalcocite |
79 | Blackish fragments | Copper, antimony and sulphur | Tetrahedrite ICDD PDF 42-0561 | Tetrahedryte, Cu12Sb4S13 The sample also contains pyrite and iron/copper oxides |
80 | Greenish black fragments with alterations | Copper, sulphur, iron and oxygen | Chalcopyrite ICDD PDF 83-0983 | Chalcopyrite, CuFeS2 The sample shows alteration and oxidation of the surface |
81 | Dark, reddish fragments | Copper and oxygen | Cuprite ICDD PDF 78-2076 | Cuprite, Cu2O |
82 | Reddish fragments with deep green little crystals | Sulphur, oxygen and copper | Brochantite ICDD PDF 43-1458 | Brochantite, Cu4(SO4)2(OH)6 |
83 | Green earthy fragments with traces of cleavage | Copper, oxygen and carbon | Malachite ICDD PDF 41-1390 | Malachite, Cu2(CO3)(OH)2 |
84 | Earthy light blue fragments | Silicon, oxygen, copper and calcium as trace element | Malachite ICDD PDF 41-1390 | Malachite, Cu2(CO3)(OH)2 Chrysocolla |
85 | Red globular fragments | Mercury and sulphur | Cinnabar ICDD PDF 89-0438 | Cinnabar, HgS Small globular aggregates of Cinnabar in clay matrix |
86 | Blackish, earthy mass with no cleavage | Sulphur, antimony, copper and zinc, minor arsenic and iron | Tetrahedrite ICDD PDF 88-0282 | Tetrahedrite, Cu12Sb4S13 Tetrahedryte with a little amount of S and Zn as vicariant of Sb and Cu respectively |
87 | Whitish-green ductile fragments | Silver and chlorine | Chlorargirite ICDD PDF 01-1031 | Chlorargirite, AgCl |
88 | Small silvery filamentous fragments | Silver and small amount of oxygen. | Silver ICDD PDF 03-0921 | Silver, Ag |
89 | Ductile steel-grey fragments | Silver and sulphur, with a small amount of oxygen | Acanthite ICDD PDF 14-0072 | Acanthite, Ag2S The small amount of identified oxygen is probably due to surface oxidation |
90 | Blackish fragments with deep red tinge | Silver, sulphur and antimony | Pyrargiryte ICDD PDF 77-0329 | Pyrargyrite, Ag3SbS3 |
91 | Pitch black fragments with conchoidal fracture | Niobium, oxygen, iron, manganese and minor tantalum, uranium and titanium | Columbite ICDD PDF 84-1020 | Columbite, FeNb2O6 |
92 | Blackish-brownish fragments | Oxygen and titanium | Rutile ICDD PDF 87-0710 | Rutile, TiO2 |
93 | Black pitchy fragments | Iron, titanium and oxygen | Ilmenite ICDD PDF 75-1210 | Ilmenite, FeTiO3 |
94 | Steel grey fragments with traces of cleavage | Sulphur and antimony | Stibnite ICDD PDF 74-1046 | Stibnite, Sb2S3 |
95 | Steel grey fragments with good cleavage | Calcium, oxygen, tungsten and iron | Hubnerite ICDD PDF 12-0727 | Hubnerite, (Fe,Mn)WO4 Scheelite, CaWO4 Mn-poor Hubnerite and traces of Scheelite |
96 | Pale yellow fragments with good cleavage | Calcium, oxygen, tungsten | Scheelite ICDD PDF 41-1431 | Scheelite, CaWO4 |
97 | Silvery plates, flexible | Molybdenum and sulphur | Molybdenite ICDD PDF 65-3656 | Molybdenite, MoS2 |
98 | Yellow orange small crystals | Lead, molybdenum and oxygen | Wulfenite ICDD PDF 74-1075 | Wulfenite, PbMoO4 |