 | | Journal (issue) | | Moore Tpmoore1@cox.net The Guatomo (“Hat Yai”) mine near Tham Thalu, Bannang Sata District, Yala Province.............731 . by M. P. Sacchi The Santa Rosa mine, Inyo County, California .........................SCORODITE crystal, 1.6 cm wide, from the Tsumeb mine, Tsumeb, Otjikoto Region, Namibia. Unique Minerals...figures are as follows: Figure 25. Overview of the gold occurrences in the larger Ekaterinberg district...(including the Berezovsk district). Figure 26. The gold mining region around Berezovsk, including the names |  | | Journal (article/letter/editorial) | | avenue Claude Guillemin, BP 6009-45060 Orléans, France Abstract The textures and mineralogical assemblages...carriers, were found to be transformed into acanthite. Acanthite was also found locally in association with...identified as uytenbogaardtite (Ag3AuS2), and/or by acanthite, with both of the replacing minerals commonly...collected from surface exposures and underground mine levels. The mineralogy was determined from polished...radiation. X-ray powder data of uytenbogaardtite and acanthite were obtained using the Debye-Scherrer method |  | | Journal (article/letter/editorial) | | commonly show cubic, octahedral, less available than gold, and from that and dodecahedra1 faces. Parallel...Complete solid solution exists between silver and gold, proceeding relationship between the production...varieties aurian silver and argentian gold (electrum) to gold. Mercurian ment of Andean countries, detailed...untarreplaced by various silver halides, ruby silvers, acanthite, and stephanite are known. Similarly, silver has... occurring together) from the Calumet and Hecla mine. Excepment in the oxide zones of a variety of metal |  | | Journal (issue) | | from Clay Canyon, Utah. (Continues on page 2) Acanthite FredPoughandSkipSimmonssharinglibationsatthe...laeliason@msn.com From a historic perspective, acanthite is a minor mineral of little importance and it...proper to label all specimens of silver sulfide as acanthite today; some are properly termed paramorphic or..."wires" overgrown with very small crystals of acanthite. Here, one finds the edges are rounded; the overall...actively going on field ex.1>editionsto the Getchell Mine in Nevada and elsewhere. A long time resident of |  | | Journal (article/letter/editorial) | | Norway Wire Gold Ground Hog Mine, Gilman, Colorado S ince the dawn of civilization, silver and gold have been...and captivating luster. Some of the earliest known gold jewelry, dating from approximately 4500 BC, was...alloy of silver and gold (Wallace 1987). Throughout history and around the globe, gold and silver have been...& MINERALS Figure 4. Wire gold, 11.7 cm tall, from the Ground Hog mine, Gillman district, Eagle County...prominent of which are the illustrious silver and gold. In this Connoisseur’s Choice column we highlight |  | | Journal (article/letter/editorial) | | from hundreds of localities worldwide, and unlike gold, silver is quite a reactive element, forming more...to be the third metal widely utilized by humans (gold and copper were the first). The earliest known siIver...The Iliad. In ancient times silver was rarer than gold. This probably reflects the fact that the earliest...in the ancient world, was considerably rarer than gold. Chlorargyrite appears to have been the fvst silver...King Solomon is said to have received shipments of gold and silver from “Tharshish and the Isles,” thought |  | | Journal (article/letter/editorial) | | minerals of the galena–clausthalite series, acanthite–naumannite series, diaphorite, miargyrite, pyrargyrite–proustite...low-sulphidation epithermal mineralization; Kremnica; gold; selenides; Ag sulphoslats 1. Introduction The...presence of elevated amounts of selenium in galena, acanthite, and minerals of the polybasite group from the...most important gold producer in Slovakia, with overall production of 35 tons of gold. The system of low-sulphidation...mineral associations. Pyrite, arsenopyrite, and gold (electrum) are the most frequent ore minerals of |  | | Book | | Director, National Geological Service, Orleans, FRANCE; Curator, School of Mines, Paris ^ F* HOFMANN,...Pro fessor and author, School of Mines, Paris, FRANCE ^ JOHN sinkankas, author and collector, San Diego...Kongsberg, NORWAY ^ PAUL fraenkel, collector, Paris, France ^ JOHN fuller, Mineral Assistant, British Museum...stood atop the "mother” mass of blue-colored rock. A mine was started and a shaft was sunk into the rock....crystal, still imbedded in the country rock, to the mine manager, Mr. F. Wells. With his pocketknife Wells | | | Book | | Congress catalog card number: 77-186742 Printed in France by Draeger, Paris CONTENTS Introduction The Birth...Director, National Geological Service, Orleans, FRANCE; Curator, School of Mines, Paris 4 F. HOFMANN... Professor and author, School of Mines, Paris, FRANCE ¥& JOHN SINKANKAS, author and collector, San...Kongsberg, NORWAY }& PAUL FRAENKEL, collector, Paris, FRANCE jx JOHN FULLER, Mineral Assistant, British Museum...stood atop the “mother” mass of blue-colored rock. A mine was started and a shaft was sunk into the rock. |  | | Journal (article/letter/editorial) | | 1986 Summary Silver is an accessory element in gold, antimony, and tungsten deposits of the caldera...genetically of ×enothermal or epithermal character. Their gold- and silver-bearing minerals are usually disseminated...electrum; the sulfides acanthite, argentite (the latter always inverted to acanthite), and members of the...andorite, diaphorite, and polybasite. Electrum, acanthite, and argentian tetrahedrite are common, though...ra~ Komplexes, Idaho, U.S.A. Silber ist in den Gold-, Antimon- und Wolframlagerst/itten des Caldera-Komplexes |  | | Catalog/List | | Colorado, azurite and malachite in Jerome, Arizona, gold in Wickenburg, Arizona, and wulfenite, mimetite...dollar set from 1794 to 1803 and a collection of gold aurei and solidi representing every Roman and Byzantine...wire silver growing atop calcite crystals with acanthite. This represents one of the most attractive examples...of white calcite with sharp crystals of gray acanthite to the left. Situated in the middle is the “trunk”...Ward Minera! on QUARTZ RHODOCHROSITE District Mine. Climax Climax olTolg-Yole Lake. County. ncredibly |  | | Journal (article/letter/editorial) | | carbonateand silicate disseminated grains of pyrite, acanthite,polybasite, minerals occur in ore shoots in the...samples from the Cebadamine are specimensof high-grade mine (two of type 2 and two of type 3 ore in the silver...vugs in ameSierra vein system), two from the Cebada mine thyst. The vugsare lined with concretionary quartz...onepart of the VillalThe ores observedin the Peregrina mine occur sequence.The sequence as quartz-calcite veinsthat...of the mineralizedparts of veins in the Peregrina mine and one of the dark gray materialfrom a rug in a |  | | Journal (article/letter/editorial) | | The opaque minerals include pyrite, electrum, acanthite (Ag2S), sphalerite, and galena, which are common...Mauk@auckland.ac.nz S. D. C. Rabone Broken Hills Gold Co, PO Box 99 732, Newmarket, Auckland, New Zealand...not stable at temperatures >73–185°C, such as acanthite (Ag2S), aguilarite (Ag4SSe), naumannite (Ag2Se)...conditions. In addition, we discuss relations among acanthite, aguilarite, and naumannite, including data that...2006). The main ore minerals are electrum and acanthite, and the host rock units Miner Deposita (2013) |  | Chauvet, Alain, Bailly, Laurent, André, Anne-Sylvie, Monié, Patrick, Cassard, Daniel, Tajada, Fernando Llosa, Vargas, Juan Rosas, Tuduri, Johann (2006) Internal vein texture and vein evolution of the epithermal Shila-Paula district, southern Peru. Mineralium Deposita, 41 (4) 387-410 doi:10.1007/s00126-006-0068-4 | Journal (article/letter/editorial) | | Cedex 5, France L. Bailly . D. Cassard REM, BRGM, BP 6009, F-45060 Orléans Cedex 2, France A.-S. André...Poincaré, BP 239, F-54506 Vandœuvre-lès-Nancy Cedex, France F. L. Tajada . J. R. Vargas CEDIMIN S.A.C., Luis...University of Orléans, BP 6759, F-45067 Orléans Cedex 2, France A. Chauvet (*) Dynamique de la Lithosphère, CNRS-UMR...Montpellier 2, cc 060, F-34830 Montpellier Cedex 5, France e-mail: chauvet@dstu.univ-montp2.fr Tel.: +33-4-67144857... 388 Keywords Vein system . Texture . Epithermal gold . Breccia . Structural control . Peru Introduction |  | | Journal (article/letter/editorial) | | exceptionally sharp 4.2-cm acanthite paramorph after argentite from the Rayes mine, Guanajuato, Mexico. Francis...Hill occurrence in Davidson County, and the McMakin mine in Cabarrus County (Genth 1891); and mines of the...abundant acanthite. Many mines of the Colorado mineral belt contained important amounts of acanthite, although...whereas others that contained important amounts of acanthite produced no good specimens (Eckel 1997). Some...coated with acicular crystals of primary acanthite. Masses of acanthite to about 0.5 kilogram and groups of |  | | Journal (issue) | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Acanthite from Linqiu, Shanxi Province, China. Compliments...Compliments of Mineralpedia, Dakota Matrix. Acanthite from Cobalt-Gowganda dist., Ontario, Canada, Compliments...Pegmatite Mine The early-day history (1896-1913) of gem tourmaline mining at the Himalaya mine, San Diego...“The Early Mining History of the Himalaya Pegmatite Mine,” as described above was serialized in the January...~~~~~~~~~~~~~~~~~~~ Caracolite from Challacollo mine, Iquique, Tarapaca Prov., Chile, Compliments of |  | | Report (issue) | | extracted as waste, are rich in silver and contain some gold UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON... F~GURE 1. Drawing and X-ray micrographs of acanthite and copper sulfides on galena. Drawing and X-ray...100-300 troy ounces of ,silver per ton, 2-4 ounces gold, and a few percent each of copper, leald, and zinc...accumulated annually during the :short Ufe of the mine. The total metal eontent per ton of ore is eompa:rable...d~genite, and acanthite are the principal sulfides. Elemental g~ld is present as gold-rich electrum included |  | | Journal (article/letter/editorial) | | SULFIDES AND SULFOSALTS OF THE PONGKOR EPITHERMAL GOLD–SILVER DEPOSIT, WEST JAVA, INDONESIA I WAYAN WARMADA...Pongkor, Bogor, Indonesia ABSTRACT The Pongkor gold–silver deposit, of Pliocene age (2.05 ± 0.05 Ma)...content. The association of sulfides is the main gold carrier and is dominated by pyrite, chalcopyrite...silver-rich sulfides and sulfosalts, such as acanthite–aguilarite (Ag2S–Ag4SSe), polybasite– pearceite...tetrahedrite. Gold occurs as Au–Ag alloy and uytenbogaardtite (Ag3AuS2). Chalcocite, native gold, stromeyerite |  | | Journal (article/letter/editorial) | | Vol. 73, 1978, pp. 524-533 Selenium Content of Acanthite and the Chemical Environments of Japanese Vein-TypeDeposits...of observed chemical compositionof coexisting acanthite, sphalerite, and electrum and mineral stability...relationshipshitherto established. Selenium content of acanthite is relatively variable from 0.0 to 10 weight percent...fugacity, and temperature. The selenium content of acanthite relates to these same variables and total dissolved...ionic strength, activity coefficients Toyoha (Pb-Zn) mine of aqueousspecies,activitiesof components in solid |  | Berkh, Khulan, Majzlan, Juraj, Chovan, Martin, Kozák, Jaroslav, Bakos, František (2014) Mineralogy of the Medieval Ag-Au occurrences Banská Belá, Treiboltz, Rabenstein, and Kopanice in the Banská Štiavnica ore district (Slovakia) Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 191 (3) 237-256 doi:10.1127/0077-7757/2014/0259 | Journal (article/letter/editorial) | | data. In Banská Belá, the Ag minerals include acanthite, polybasite-pearceite, pyrargyrite, stephanite...in pyrite. In Kopanice, the main Ag mineral is acanthite and the only base-metal sulfide is pyrite. Both...of Au and Ag for centuries. Key words: epithermal gold-silver occurrence, mineralogy. Introduction The...especially in the year 1740, when the annual silver and gold production reached its maximum at 680 kg Au and...unknown, deep gold resources, exploitation of Au continues until today only at the Rozália mine (Lexa et |  | | Journal (issue) | | Advertising Manager Thomas P. Moore Tpmoorel@cox.net A gold specimen from the Spanish Dry Diggings, Eldorado...EUCLASE with Albite, 11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia. See...mineral room wall. And in 2016 we began presenting gold medallions-large pins with a magnetic clasp--that...DENVER MART EXPO HALL ROOMJ53 BARITE 20.3 CM XIEFANG MINE , GANZHOU PREFECTURE , JIANGXI PROVINCE , CHINA...skeletal quartz, drusy amethyst, wire silver, acanthite, pyrargyrite, stephanite, barite, calcite, aragonite |  | | Journal (article/letter/editorial) | | PHILLIPSITE, and THOMSONITE. Adams County Alaska mine, Seven Devils district: azurite, grossular, malachite...malachite, powellite, and scheelite. Arkansas mine, Seven Devils district: grossular. Blue Jacket claim...and stilbite. Copper Bo~' mine, Seven Devils district: epidote. Helena mine (reportedly just northwest...northwest of the Peacock mine at the present site of a small open pit but also reported to be about 1 mile northwest...CORUNDUM, diamond, garnet, gold, ilmenite, magnetite, monazite, and zircon. Peacock mine (also South Peacock) |  | | Journal (article/letter/editorial) | | Sulfosalts and Se-rich Mineralization of Anthony of Padua Mine near Poličany—Model Example of the Mineralization...in hydrothermal ore veins in the Anthony of Padua mine near Poličany, Kutná Hora ore district, central...miargyrite – pyragyrite – stephanite – polybasite – acanthite. The parallel succession scheme progresses from...clausthalite; miargyrite – Se-rich miargyrite; acanthite – aguilarite – naumannite. A likely source of...andorite group; argyrodite; Ag-Sb(-Au) alloys; acanthite – aguilarite; succession Minerals 2019, 9, 430; |  | | Report (issue) | | -Marie-aux-Mines show in the beautiful Vosges Hills of Alsace, France, I found that this show is fully living up to its...specimens of pyromorphite from the Bou Iboulkhir mine, Moulay Bouazza, Khénifra, Meknès-Tafilalt region:...== Pyromorphite, 4 cm, from the Bou Iboulkhir mine, Moulay Bouazza, Khénifra, Meknès-Tafilalet region...===== Co-rich calcite, 6 cm, from the Agoudal mine, Bou Azzer, Morocco. Mch Minerals specimen and photo...lot of acanthite from the Imiter mine, concerning which John writes the following: The Imiter mine in Morocco |  | | Journal (article/letter/editorial) | | precious metal minerals are Ag-rich tetrahedrite, acanthite, argyrodite, pearceite-polybasite and Au-Ag alloy...(Urbina and Sruoga, 2009) hosts silver-gold epithermal and gold-copper porphyry deposits. The two most...focused. The district was intermittently explored for gold since the eighties of the last century until the...tetrahedrite-tennantite, digenite, covellite and acanthite. Two types of veins/veinlets and fracture infillings...of galena, Ag-rich tetrahedrite, pearceite and acanthite. Where these inclusions were plucked during polishing |
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Gold mine, Lopérec, Châteaulin, Finistère, Brittany, France