| Acanthite | Ag2S | Imiter,
Souss-Massa-Draâ Region, Morocco | KS | dendritic XX | 0465 |
| Aikinite | PbCuBiS3 | Wolkenhügel
Mine, Bad Lauterberg, Harz, Niedersachsen, Germany | MM | (xx) in
quartz | 0773 |
| | Kara Mines,
Hampshire District, Tasmania, Australia | KS | xx in calcite | 0789 |
| Alabandite | MnS | Garpenberg,
Norra, Dalarna Province, Sweden | MM | xx on calcite | 0458 |
| | Garpenberg,
Norra, Dalarna Province, Sweden | MM | octahedrical
xx | 0460 |
| Allargentum | (Ag,Sb) | Shaft 371,
Hartenstein, Erzgebirge, Saxony, Germany | KS | silvery
sheets | 0678 |
| Anatase | TiO2 | Clara Mine,
Black Forest, Germany | MM | tabular blue
x | |
| | Tunnel
Neustadt-Waldnaab, Upper Palatinate, Bavaria, Germany | MM | xx with
titanite | |
| | Hardangervidda,
Hordaland, Norway | MM | single dark
blue x | 0407 |
| | Entre Deux
Roches, La Lauzière Massif, Savoie,
Rhône-Alpes, France | MM | XX | 0572 |
| | Mursinsk
Mine, Sverdlovskaya Oblast, Middle Urals, Russia | MM | X | 0570 |
| | Artenberg
Quarry, Steinach, Black
Forest, Germany | KS | tabular blue
xx | 0571 |
| Andorite | Pb2Ag2Sb6S12 | Itos Mine,
Cercado Province, Oruro Department, Bolivia | MM | XX | 0030 |
| Andradite
(Demantoid) | Ca3Fe2[SiO4]3 | Val Malenco,
Sondrio, Lombardia, Italy | KS | light green
XX | 0676 |
| Andradite
(Topazolite) | Ca3Fe2[SiO4]3 | Poggio
Corbolone, Livorno, Tuscany, Italy | KS | light
yellowgreen XX | 0601 |
| Antimony | Sb | Consolidated Murchison Mine,
Gravelotte, South Africa | KS | massive with quartz and
stibiconite | 0693 |
| | Nurmo, Seinajöki,
Vaasa, Finland | MM | cleavages | 0515 |
| | West Gore Mines, Rawdon,
Hants Co., Nova Scotia, Canada | HS | cleavages | 0212 |
| | Pezinok, Slovakia | KS | grains | 0220 |
| Aramayoite | Ag2Sb3(Bi,Sb)S6 | Mina El Quevar, El Quevar,
Salta, Argentina | MM | black grains | |
| Argentopyrite | AgFe2S3 | Pöhla, Erzgebirge,
Saxony, Germany | MM | several striated xx with
proustite | 0638 |
| Argyrodite | Ag8GeS6 | Himmelsfürst Mine,
Freiberg, Saxony, Germany | MM | few bad developed faces | 0174 |
| Arsenic | As | Shaft 371,
Hartenstein, Erzgebirge, Saxony, Germany | KS | native chunk | 0512 |
| | Svornost, St. Joachimsthal,
Erzgebirge, Karlsbad Region, Czech Rep. | MM | botryoidal | 0237 |
| Arsenolite | As2O3 | Hartenstein,
Erzgebirge, Saxony, Germany | KS | xx and crusts | 0503 |
| | Wittichen, Black Forest,
Germany | MM | tiny octahedrons with
erythrite | 0599 |
| Arsenopyrite | FeAsS | Dal'negorsk, Primorskiy
Kray, Far-East Siberia, Russia | KS | silvery, rounded XX | 0054 |
| | Yaogangxian
Mine, Hunan Province, China | HS | XX with fluorite and quartz | 0060 |
| | Panasqueira, Covilha,
Castelo Branco, Portugal | KS | big XX with siderite | |
| | Trepca, Kosovo | KS | XX with calcite and pyrite | 0632 |
| | Hagendorf South pegmatite,
Upper Palatinate, Bavaria, Germany | MM | fragment of crystal | 0477 |
| | Kara Oba, Qaragandy Oblast,
Kazakhstan | KS | XX with sphalerite | 0164 |
| | Saalfelden, Salzburg, Österreich | MM | shiny, tarnished elongated xx | 0493 |
| Aschamalmite | Pb6Bi2S9 | Nasenkopf, Habach Valley,
Hohe Tauern, Salzburg, Austria | KS | XX | 0468 |
| Aurostibite | AuSb2 | Nova Mine, Krasna Hora,
Central Bohemia Region, Czech Rep. | MM | white-grayish inclusions | 0518 |
| Baumhauerite | Pb3As4S9 | Lengenbach
Mine, Binn Valley, Vallis, Switzerland | MM | silvery xx | 0542 |
| | Lengenbach
Mine, Binn Valley, Vallis, Switzerland | KS | silvery x | 0534 |
| | Lengenbach
Mine, Binn Valley, Vallis, Switzerland | MM | diagonally
striated x | 0543 |
| | Lengenbach
Mine, Binn Valley, Vallis, Switzerland | MM | x on realgar | 0541 |
| Baumstarkite | Ag(Sb,As)S2 | San Genaro
Mine, Castrovirreyna Province, Huancavelica, Peru | MM | black,
metallic aggregates | 0660 |
| Berryite | Pb3(Ag,Cu)5Bi7S16 | Herrensegen
Mine, Schapbach, Black Forest, Germany | MM | thin needles
in quartz | 0511 |
| | Clara Mine,
Black Forest, Germany | MM | thin needles
in quartz | 0224 |
| Berthierite | FeSb2S4 | Murdock
Mine, Spring Creek, Plumas Co., California, USA | MM | aggegate of
dense needles with colorful tarnish | 0729 |
| | Herja Mine,
Baia Mare, Maramures Co., Romania | KS | aggegate of
dense needles | 0352 |
| Betekhtinite | Cu10(Fe,Pb)S6 | Nieder-Beerbach,
Odenwald, Hessen, Germany | KS | golden xx
with trechmannite | 0464 |
| Bindheimite | Pb2Sb2O6(O,OH) | Ludwig Mine,
Hausach, Black Forest, Germany | KS | yellow rays | |
| | Snyder Hill
Mine, Tuscon Mts, Pima Co., Arizona, USA | MM | yellow xx | 0392 |
| Bismuthinite | Bi2S3 | Montroc,
Tarn, Midi-Pyrénées, France | MM | xx with
chalkopyrite, fluorite | 0724 |
| | Excelsior
Mine, Cerro de Pasco, Alcides Carrion Province, Pasco, Peru | KS | xx in drusy
pyrite | 0613 |
| | 139 dump,
Lauta, Marienberg, Saxony, Germany | MM | golden sticks | 0163 |
| Bixbyite | (Mn3+,Fe3+)2O3 | Thomas
Range, Juab Co., Utah, USA | MM | dodecahedron
with topaze | 0128 |
| | Thomas
Range, Juab Co., Utah, USA | KS | big X on
matrix | |
| | Thomas
Range, Juab Co., Utah, USA | KS | black
hexahedron | 0112 |
| | Bellerberg,
Eifel, Rhineland-Palatinate, Germany | MM | small xx | 0284 |
| Bottinoite | NiSb25+(OH)12
* 6H2O | Ramsbeck,
Sauerland, North Rhine-Westphalia, Germany | MM | lightblue xx | 0776 |
| Bornite | Cu5FeS4 | Satbajew
shaft, Dzhezkazgan Mine, Qaraghandy Oblast, Kazakhstan | KS | XX on quartz | |
| | Satbajew
shaft, Dzhezkazgan Mine, Qaraghandy Oblast, Kazakhstan | KS | sharply
developed XX | 0602 |
| | Dzhezkazgan
Mine, Qaraghandy Oblast, Kazakhstan | HS | XX with
calcite, chalcocite, chalcopyrite, quartz | 0726 |
| Boulangerite | Pb5Sb4S11 | Olympiada Mine, Cassandra
Mines, Chalkidiki, Greece | KS | silvery
needles with quartz | 0441 |
| | Ramsbeck,
Sauerland, North Rhine-Westphalia, Germany | HS | rich
aggregate | 0303 |
| | Plaka, Lavrion, Attika,
Greece | MM | shiny needles | 0443 |
| | Umberg,
Wernberg, Carinthia, Austria | KS | shiny needles | 0588 |
| | Nasafjäll
Silver Mine, Arjeplog, Lappland, Sweden | KS | dense bent
aggregates | 0722 |
| var. falkmanite | Bayerland Mine, Waldsassen, Upper Palatinate, Bavaria, Germany | MM | dense aggregates | 0447 |
| Bournonite | PbCuSbS3 | Peru | KS | black wheels
with arsenopyrite and quartz | 0424 |
| | Cavnic,
Maramures Co., Romania | KS | shiny black
wheels | 0436 |
| | Madem
Lakkos, Chalkidiki, Greece | MM | shiny wheels
with arsenopyrite and quartz | 0456 |
| | Dzhezkazgan
Mine, Qaraghandy Oblast, Kazakhstan | KS | xx with
quartz | |
| | Stari Trg,
Trepca, Kosovo | KS | black wheels
with arsenopyrite and pyrite | 0427 |
| | Les Malines,
St-Laurent-le-Minier, Gard, Languedoc-Roussillon, France | HS | big shiny
crystals | 0530 |
| | Les Malines,
St-Laurent-le-Minier, Gard, Languedoc-Roussillon, France | HS | big shiny
crystals | |
| | Neue
Hoffnung Gottes, Bräunsdorf, Freiberg, Saxony, Germany | KS | black x on
quartz | 0189 |
| | Gemerka
Mine, Zlatá Baňa, Slanské vrchy,
Prešovský Kraj, Slovakia | MM | xx on galena | 0240 |
| | Machacamara
Mine, Saavedra, Potosi, Bolivia | KS | flattened
wheel | 0259 |
| | Yaogangxian
Mine, Hunan Province, China | KS | XX on quartz | 0325 |
| | Apollo Mine,
Raubach, Rhineland-Palatinate, Germany | KS | shiny xx | 0291 |
| | Yaogangxian
Mine, Hunan Province, China | KS | big X | 0715 |
| | Aurora Mine,
Ramsbeck, Sauerland, North Rhine-Palatinate, Germany | KS
| altered and
shiny xx with jamesonite | 0659 |
| Brookite | TiO2 | Grauleiten, Ankogel Group,
Carinthia, Austria | KS | xx with
anatase, rutile and albite | 0108 |
| | Zard Mts,
Raskoh Range, Balochistan, Pakistan | KS | redbrown X
on quartz | 0743 |
| Cannizzarite | Pb46Bi54S147 | La Fossa
Crater, Eolie Island, Lipari Islands, Messina, Sicily, Italy | MM | black
metallic sprays | 0453 |
| Carrollite | Cu(Co,Ni)2S4 | Kamoya South
II Mine, Shaba (Katanga), Democratic Republic Congo | KS | shiny
pyramids in calcite | 0646 |
| | Pius Mine,
Schutzbach, Siegerland, Rhineland-Palatinate, Germany | MM | xx with
siderite | 0774 |
| Cervantite | Sb3+Sb5+O4 | Clara Mine,
Black Forest, Germany | MM | brown puffs | 0397 |
| | Clara Mine,
Black Forest, Germany | KS | brown puff | 0385 |
| | Clara Mine,
Black Forest, Germany | KS | brown puffs | 0418 |
| | Kostajnik,
Serbia | MM | pseudomorphous
after stibnite | 0195 |
| | Mine
d'antimoine le Daü, Haute-Loire, Auvergne, France | KS | fibrous with
stibnite | 0298 |
| Cetineite | (K,Na)3Sb7O9S3
* 3H2O | Le Cetine
Mine, Siena, Tuscany, Italy | MM | rich
specimen of dark orange puffs | 0461 |
| Chabourneite | (Tl,Pb)21(As,Sb)91S147 | Jas Roux,
Pelvoux Mt., Haute-Alpes, France | KS | metallic
blebs with realgar | 0471 |
| Chalocite | Cu2S | Dzhezkazgan
Mine, Qaraghandy Oblast, Kazakhstan | KS | XX | 0198 |
| | Dzhezkazgan
Mine, Qaraghandy Oblast, Kazakhstan | KS | partially altered xx on calcite | 0560 |
| | Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia | MM | delicate xx | 0449 |
| Chalcomenite | CuSeO3 * 2H2O | El Dragón Mine,
Quijarro Province, Potosí Department, Bolivia | MM | lightblue xx | 0211 |
| Chalcophanite | (Zn,Fe2+,Mn2+)Mn34+O7
* 3H2O | Mina Ojuela,
Mapimi, Durango, Mexico | MM | | 0402 |
| Chalcopyrite | CuFeS | Branchewinda,
Thuringia, Germany | MM | x with
tarnish on ankerite | |
| | Baia Sprie,
Maramures Co., Romania | KS | XX with
sphaerosiderite | 0630 |
| | Dal'negorsk, Primorskiy
Kray, Far-East Siberia, Russia | KS | X | 0736 |
| | Dzhezkazgan
Mine, Qaraghandy Oblast, Kazakhstan | KS | XX with
tarnish | 0557 |
| | Sweetwater Mine, Viburnum
Trend District, Iron Co., Missouri, USA | KS | yellow xx on
dolomite | 0618 |
| | Calcit
Quarry, Holzen, Sauerland, North Rhine-Westphalia, Germany | KS | XX on
dolomite | 0526 |
| | Calcit
Quarry, Holzen, Sauerland, North Rhine-Westphalia, Germany | KS | XX on
dolomite | 0683 |
| | Calcit
Quarry, Holzen, Sauerland, North Rhine-Westphalia, Germany | KS | XX on
dolomite | 0066 |
| | Nikolaevskiy Mine, Dal'negorsk, Far-East Siberia, Russia | KS | lamellar XX with pyrrhotite | 0222 |
| | Clara Mine,
Black Forest, Germany | HS | xx with blue tarnish | 0075 |
| | Shaft 371, Hartenstein, Saxony, Germany | KS | colorful tarnished XX on dolomite | 0606 |
| | Yaogangxian
Mine, Hunan Province, China | KS | XX with calcite | 0504 |
| | Rotgülden, Lungau, Salzburg, Austria | KS | XX with quartz and pyrite | 0354 |
| | San Martin Mine, Sombrerete, Zacatecas, Mexico | HS | yellow XX with unknown similar to polybasite | 0029 |
| | Ronneburg, Thuringia, Germany | KS | XX | 0330 |
| | Calcit
Quarry, Holzen, Sauerland, North Rhine-Westphalia, Germany | KS | XX on
dolomite | 0790 |
| Chalcostibite | CuSbS2 | Lanteira, Guadix, Granada, Andalucia, Spain | KS | chunky XX with siderite | 0321 |
| | Silberne Rose, Brandholz, Fichtelgebirge, Bavaria, Germany | MM | needles | 0280 |
| Chromite | FeCr2O4 | Belmont, Itabira, Minas Gerais, Brazil | MM | silvery xx | 0137 |
| | Transvaal, South Africa | MM | black, chunky xx | 0296 |
| Cinnabarite | HgS | Chatian Mine, Fenghuang, Hunan, China | KS | bloodred X on dolomite | 0439 |
| | Tongren Mine, Wanshan District, Tongren, Guizhou Province, China | KS | tabular red X on dolomite | 0432 |
| | Chauvai, Hg-Sb deposits, Fergana Valley, Osh Oblast, Kyrgyzstan | KS | red X on quartz | 0219 |
| | Chauvai, Hg-Sb deposits, Fergana Valley, Osh Oblast, Kyrgyzstan | KS | perfect penetration-twin crystal | 0440 |
| | Tongren Mine, Wanshan District, Tongren, Guizhou Province, China | KS | shiny red X on dolomite | 0677 |
| Claudetite | As2O3 | Jachymov, Ostrov, Erzgebirge, Karlsbad Region, Czech Republic | KS | lath-like xx with arsenolite octahedrons | 0269 |
| Cobaltite | CoAsS | Mt. Cobalt Mine, Mt. Isa-Cloncurry, Queensland, Australia | MM | tiny cubes | 0658 |
| | Hakansboda, Lindesberg, Västmanland, Sweden | KS | 6 mm cube in matrix | 0442 |
| Copper | Cu | Hilarion adit, Lavrion, Greece | KS | xx with cuprite in selenite (gypsum) | 0506 |
| | Clara Mine,
Black Forest, Germany | KS | xx with native silver | 0519 |
| Coronadite | Pb(Mn4+,Mn2+)8O16 | Christiana Mine, Lavrion, Greece | KS | black needles | 0109 |
| Cosalite | Pb2Bi2S5 | Westfeld, Felbertal, Salzburg, Austria | MM | needles and xx | 0487 |
| Covellite | CuS | Clara Mine,
Black Forest, Germany | MM | blue needles on pyrite | 0479 |
| Crednerite | CuMnO2 | Schmitt Quarry, Altenmittlau, Spessart, Hessen, Germany | KS | black dendritic crusts | 0415 |
| Cuprite | Cu2O | Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia | KS | silvery-red XX with smithsonite | 0419 |
| | Mashamba West Mine, Kolwezi, Shaba (Katanga) Dem. Rep. Congo | KS | big red X | 0077 |
| | Helgoland Island, Schleswig-Holstein, Germany | KS | red inclusion in green jasper | 0741 |
| | Ray Mine, Ray, Pinal Co., Arizona, USA | MM | stepped crystals | 0403 |
| var. chalcotrichite | Chengmenshan, Xiangxi Province, China | HS | red chalcotrichite needles | 0400 |
| | Dzhezkazgan
Mine, Qaraghandy Oblast, Kazakhstan | KS | xx on copper | 0559 |
| | Dzhezkazgan
Mine, Qaraghandy Oblast, Kazakhstan | KS | xx with copper | 0558 |
| var. chalcotrichite | Ray Mine, Ray, Pinal Co., Arizona, USA | KS | red chalcotrichite needles | 0166 |
| | #50, Hilarion adit, Lavrion, Greece | KS | red xx in gypsum | 0395 |
| var. chalcotrichite | Libiola Mine, Sestri Levante, Genova, Italy | KS | red chalcotrichite needles | 0242 |
| | Vredendal, West Coast Region, South Africa (?) | HS | red stepped xx on U ore (?) | 0748 |
| | Hilarion adit, Lavrion, Greece | MM | xx with gypsum | |
| Cuprostibite | Cu2(Sb,Tl) | La Fonderie, Poullaouen, Finistère, Brittany, France | MM | violetbrown metallic blebs | 0521 |
| Curite | Pb3[(UO2)4|O4|(OH)3]2 * 2H2O | Shinkolobwe Mine, Shaba (Katanga), Democ. Rep. Congo | MM | orange-yellow puff | 0073 |
| Dadsonite | Pb23Sb25S60Cl | Graf Jost-Christian Mine, Wolfsberg, Harz, Saxony-Anhalt, Germany | MM | needles | 0755 |
| | | MM | needles | 0754 |
| Delafossite | CuFeO2 | Borstein, Reichenbach, Odenwald, Hessen, Germany | MM | excellent black xx | 0287 |
| Djurleite | Cu31S16 | Neuglück, Hasborn, Eifel Mts, Germany | MM | | |
| | Clara Mine,
Black Forest, Germany | MM | xx | 0366 |
| Dufrenoysite | Pb2As2S5 | Lengenbach Mine, Binn Valley, Valais, Switzerland | KS | xx with Binnite | 0533 |
| | Lengenbach Mine, Binn Valley, Valais, Switzerland | MM | X with pyrite | 0661 |
| | Lengenbach Mine, Binn Valley, Valais, Switzerland | MM | X, intergrown with pyrite | 0268 |
| Dyscrasite | Ag3Sb | Pribram, Central Bohemian Region, Czech Republic | KS | terminated crystals | 0696 |
| | Shaft # 21, Pribram, Central Bohemian Region, Czech Republic | KS | terminated crystals | 0617 |
| Emplectite | CuBiS2 | Käfersteige Mine, Pforzheim, Black Forest, Deutschland | KS | silvery needles on fluorite | 0569 |
| | Käfersteige Mine, Pforzheim, Black Forest, Deutschland | MM | silvery needles on quartz | 0257 |
| Enargite | Cu3AsS4 | Gold Chain Mine, Juab Co., Utah, USA | MM | xx covered with something brown | 0566 |
| | Khusib Springs, Otavi, Otjozondjupa Region, Namibia | MM | xx and (xx) | 0490 |
| Famatinite | Cu3SbS4 | Clara Mine,
Black Forest, Germany | KS | black xx | 0472 |
| Ferberite | FeWO4 | Baia Sprie Mine, Baia Sprie, Maramures, Romania | KS | black XX on calcite | 0620 |
| Ferrihydrite | 5 Fe23+O3 * 9 H2O | Clara Mine,
Black Forest, Germany | KS | lightbrown, psm after scorodite | 0106 |
| Ferrimolybdite | Fe2[MoO4]3 * 8H2O | Murdock Mine, Spring Creek, Plumas Co., California, USA | KS | yellow fibres | 0582 |
| | Lillie Marleen Camp, Everett Range, Victorialand, Antarctica | KS | yellow crusts with molybdenite | 0249 |
| Ferritungstite | (W6+,Fe23+)(O,OH)6 * pH2O | Clara Mine,
Black Forest, Germany | KS | small black xx | 0149 |
| Ferrocolumbite | FeNb2O6 | Ivigtut Cryolite deposit, Kitaa (West Greenland) Province, Greenland | MM | small black x | 0639 |
| | Hagendorf South pegmatite,
Upper Palatinate, Bavaria, Germany | KS | X with uraninite xls | 0749 |
| Fettelite | Ag24HgAs5S20 | Glasberg, Nieder-Beerbach, Odenwald, Hesse, Germany | MM | red tabular hexagonal xx | 0279 |
| Fizelyite | Pb14Ag5Sb21S48 | Van Silver Mine, British Columbia, Kanada | | | |
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