 | | Catalog/List | | Mine.Ravalli Co unty, Montana U.S.A Glomel. Brittany, France I x½ £2.50 l x2 6 0p variety YIRIDI NE (Mangan...x2 £3 2x2 £6 2x3 £ 10 Bo ulouris. St Raphael. France 2x2 £3 2x3 £5 3x4 £8 l x2 £8 2x2 £ 16 2x3...paper available. Rich grey crystalline mass. Saga Quarry, Tvedalen near Larv ik, Norway Ix I £1.50 Ix I...Chrysotile. pale grey-green mass ive. County Bri dge Quarry,Lizard ,Cornwall Jx I £ I I x2 £2 Loch Scridain...22 500 509 506 216 19 651 5 38 I 029 622 ARSENOPYRITE Fe As S ARTHURITE Cu Fe AsO/4 PO/4 SO/4 ASTROPHYLLITE |  | | Journal (issue) | | XRD and has not been reported yet by Mindat. Arsenopyrite, FeAsS, (fig. I 0), occurs sparingly in the...202 Charlottesville, VA 22901-1160 Fig. 10: Arsenopyrite, 11 x 6 x 6 cm., Eagle Mine. Author's collection...Rock & Mineral Club of Lo......erBucks County. PA. Christ United Methodist Church. 501 Wistar Road. Fairless...northern granite quarry, La Clarte, Perros-Guirec, Ploumanac'h granitic complex, Brittany, France. The empirical...from the Ploumanac'h granitic complex. Brinany, France: mineral description. European Journal of Mineralogy |  | | Journal (article/letter/editorial) | | depositsin Nevada(ChimneyCreek, Gold Acres,Gold Quarry, Post-Betze,and Rain; Fig. 1); their gold contents...quartz,thesemineralscannotbe the majorhosts arsenopyrite native As for gold.Althoughjasperoidalgoldoresare...association be- of ore hostsat Post-BetzeandGold Quarry (ThoretweenAsandAu in thesedeposits.Realgarandorpi-...tionalionmicroprobeanalysis. Scanning electronmiGold Quarry, andGold Acresis the upper 200 m of croscopyand...Uncertainties: _+10percentforAu,_+20percentforAs Aspy = arsenopyrite,py = pyrite Preore core + minor overgrowth |  | | Catalog/List | | rich pink crystalline in Hornfels (GlomelBrittany, France) 2x2 60p 2x4 El.20 022 ANGLESITE Pb Sulphate rich...2x3 f6 206 ARSENOPYRITE Fe As S rich silvery massive with minor Chalcopyrite (Hingsten Quarry, Cornwall)...BARYTES pure golden brown cleavage. (Fullers earth Quarry Redhill, Surrey) lxl SOp. lx7. f.1.00 218 BAUHHAUERITE...crusts on Qnartz. (Les Anglais Mine Massiac, Brouse, France) lxl 80p lx2 El.SO 057 BISl!U'CHilHTE Bi/2 sn grey...Hydroxides rich red br~vmmassive. (Baux, Provence, France) lx2 50p 2x2 f.1.10 2'12 BERAUNITE Fe Phosphate |  | | Journal (article/letter/editorial) | | www.elsevier.com/locate/chemgeo Environmental arsenopyrite stability and dissolution: theory, experiment...August 2002; accepted 13 February 2003 Abstract Arsenopyrite has traditionally been considered to be chemically...environment. However, field evidence demonstrates that arsenopyrite does not readily decompose under water-saturated...water-saturated near-surface conditions. Arsenopyrite occurs in the heavy mineral suite of a variety of thin sediments...million years. These observations of long-term arsenopyrite stability are in accord with geochemical predictions |  | Voudouris, Panagiotis, Mavrogonatos, Constantinos, Rieck, Branko, Kolitsch, Uwe, Spry, Paul, Scheffer, Christophe, Tarantola, Alexandre, Vanderhaeghe, Olivier, Galanos, Emmanouil, Melfos, Vasilios, Zaimis, Stefanos, Soukis, Konstantinos, Photiades, Adonis (2018) The Gersdorffite-Bismuthinite-Native Gold Association and the Skarn-Porphyry Mineralization in the Kamariza Mining District, Lavrion, Greece. Minerals, 8 (11) 531 doi:10.3390/min8110531 | Journal (article/letter/editorial) | | et Technologies, F-54506 Vandoeuvre-lès-Nancy, France; alexandre.tarantola@univ-lorraine.fr Université...Toulouse (GET), UMR 5563 CNRS, F-31400 Toulouse, France; Olivier.VANDERHAEGHE@Get.omp.eu Department of...(Kamariza area), a porphyry-style pyrrhotite-arsenopyrite mineralized microgranitic dike is genetically...consists of initial deposition of pyrite and arsenopyrite followed by an intergrowth of native gold-bismuthinite...were constructed using the methods of Garrels and Christ [11] and Henley et al. [12]. 3. Geology and Mineralization |  | | Journal (article/letter/editorial) | | sub-microscopic inclusions in the disseminated arsenopyrite, as gold tellurides and as aurostibite. The...sub-microscopic or microscopic gold associated with arsenopyrite in disseminated sulphide lodes; S U P E R...A T I O N (iii) lattice-coordinated gold in arsenopyrite; (iv) gold-bearing minerals in quartz veins...of gold-bearing quartz veins and disseminated arsenopyrite lodes within the host rock. Gold grains in the...edge of the gold halo. The oxidation of arsenopyrite. Arsenopyrite is the most abundant sulphide in the |  | Simon, Grigore, Huang, Hui, Penner-Hahn, James E., Kesler, Stephen E., Kao, Li-Shun (1999) Oxidation state of gold and arsenic in gold-bearing arsenian pyrite. American Mineralogist, 84 (7) 1071-1079 doi:10.2138/am-1999-7-809 | Journal (article/letter/editorial) | | randomly distributed layers with a marcasite or arsenopyrite structure. Ionic gold (AuI+) could be concentrated...ambiguous results on the oxidation state of gold in arsenopyrite and arsenian pyrite from other types of deposits...Mössbauer studies indicate that Au is present in arsenopyrite and arsenian pyrite in a “combined” (structurally...(1995) suggested that chemically bound gold in arsenopyrite and pyrite occupies iron sites in their lattices...and by three sulfur and three arsenic atoms in arsenopyrite. Tossell et al. (1981) suggested that sulfur |  | | Journal (article/letter/editorial) | | (1978), Vaughan and Craig (1978), Garrels and Christ (1965), Table I. AGr, log as2 and log ao2 were...can be concluded that pyrite a n d automorphic arsenopyrite precipitated from an aqueous fluid under higher...lines 3, 4, and 8 point to precipitation of arsenopyrite with pyrite and hematite, very close to the...the apparent antipathetic relationship between arsenopyrite and magnetite observed in this region of Bergslagen...Occurrences of secondary pyrite, marcasite, and arsenopyrite could also be explained by a decrease in the |  | | Journal (article/letter/editorial) | | contains sulphide minerals, mainly pyrite and arsenopyrite. Sulphide minerals were eroded and deposited...reserved. Keywords: active tectonics; pyrite; arsenopyrite; sedimentation rates 1. Introduction Sedimentary...the rock, and this is predominantly pyrite. Arsenopyrite forms about 5% of the sulphide fraction, and...crystal shapes in the rock, with pyrite cubes and arsenopyrite diamonds being common as grains up to 3 mm across...also dominated by pyrite, but commonly contain arsenopyrite intergrowths. The base metal sulphides occur |  | | Catalog/List | | BismuthSulphide P.ich silvery fibres in matrix, some with Arsenopyrite and Pitticite (bro~m)(llagyborzsony,lorth Hungary...good green crust on Quartzite (Cap Garonne, Var, France) lxl El lx2 E2 .. • • • 210 MIXITE Bi Cu Arsenate...massive in quartz (Les Anglais Hine,Massiac, Brouse France) 1 X !S 80p 011 CALLAGHANITE ~u Mg C0/3 OH Dark...expos d veins of Arsenopyrite and Quartz with micro spots of ative Copper. (Hingsten Quarry,Cornwall) lxl...crusts on Quartz. (Les Anglais Hine Hassiac, Brouse, France) lxl 80p lx2 El.SO HO COSALITE Pb/2 Bi/2 S/5. A |  | | Journal (article/letter/editorial) | | dyke, contain rare open rugs within quartz. Arsenopyrite, galena, gold and arnesite have been deposited...vein. The selvages consist predominantly of arsenopyrite and pyrite in s e a m s approximately 3 m m...of opaque minerals - predominantly pyrite and arsenopyrite. The larger veins filling faults exhibit a complex...earliest vein sulphide to precipitate, followed by arsenopyrite Evolution of Gold-Bearing 179 Veins H...crystallised after ankerite, quartz, pyrite and arsenopyrite. Chaleopyrite was deposited contemporaneous |  | Kalinin, Yuri A., Palyanova, Galina A., Naumov, Evgeny A., Kovalev, Konstantin R., Pirajno, Franco (2019) Supergene remobilization of Au in Au-bearing regolith related to orogenic deposits: A case study from Kazakhstan. Ore Geology Reviews, 109. 358-369 doi:10.1016/j.oregeorev.2019.04.019 | Journal (article/letter/editorial) | | The major minerals of the primary ores are arsenopyrite and pyrite, while marcasite, pyrrhotite, antimonite...Au in arsenopyrite. The Au content (atomic absorption analysis) is up to 1800 g/t in arsenopyrite (Kovalev...grains. Invisible Au is present in fine-acicular arsenopyrite, rarely in pyrite as invisible nanoparticles...free Au. Gold occurs as invisible mainly in arsenopyrite in sulfidic sandstones. 3.2. Raigorodok deposit...those associated with the oxidation of pyrite-arsenopyrite mineralization, Au content in the weathering |  | | Journal (article/letter/editorial) | | and disseminatedchalcopyrite-pyrite-pyrrhotite-arsenopyrite mineralization, with lesser amountsof gold,...suitableonly for petrographicstudyand estimatesof of arsenopyrite, sphalerite,molybdenite, and galena. fluid ...T. G. THEODORE Early Middle Late Quartz Arsenopyrite '-'" ,- '• > Pyrite Pyrrhalite Ch(•lcopyrite...quartzare problematical.The high pyrite, pyrite, arsenopyrite,sphalerite,galena, mar- gasvolumecouldbe the...with the marcasite Helgeson (1969) and Garrels and Christ (1965). prominentphasein association observations |  | Arehart, Greg B., Eldridge, C.Stewart, Chryssoulis, Stephen L., Kesler, Stephen E. (1993) Ion microprobe determination of sulfur isotope variations in iron sulfides from the Post/ Betze sediment-hosted disseminated gold deposit, Nevada, USA. Geochimica et Cosmochimica Acta, 57 (7) 1505-1519 doi:10.1016/0016-7037(93)90010-t | Journal (article/letter/editorial) | | made of singlephase areas of closely intergrown arsenopyrite and pyrite or individual growth zones of pyrite...very earliest overgrowth material and forms arsenopyrite in some places. Gold is enriched in the earliest...pyrite and therefore is slightly later than arsenopyrite in the paragenetic sequence. Both AREHART et...OOre zone (>2.0 g/t) . - Extent of observed arsenopyrite .-* Extent of observed reafgar A Samule location...minerals include arsenopyrite, realgar, and orpiment (Figs. 3 and 4). Arsenopyrite was the earliest of |  | Kolova, Elena E., Savva, Nataly E., Zhuravkova, Tatiana V., Glukhov, Anton N., Palyanova, Galina A. (2021) Au‐Ag‐S‐Se‐Cl‐Br Mineralization at the Corrida Deposit (Russia) and Physicochemical Conditions of Ore Formation. Minerals, 11 (2) 144 doi:10.3390/min11020144 | Journal (article/letter/editorial) | | calculated by the method suggested by Garrels and Christ [35]. Gibbs free energies (GТ ) used in calculating...taken from the Thermodem database [39]; for arsenopyrite and loellingite, from [40]; for arsenic, from...Galena Acanthite * Naumannite * Sphalerite Arsenopyrite Native gold * Chalcopyrite Fahlores Bromargyrite...Concentrations, wt.% Mineral Ag Zn As Pyrite Arsenopyrite 43.75 4.66 2.45 3.50 Sphalerite 55.66 61...the structure pattern (Figure 2). Pyrite and arsenopyrite fill fine impregnations (1–2 µm to 0.2 mm, seldom |  | | Journal (article/letter/editorial) | | chamosite with trace amounts of pyrrhotite, arsenopyrite, chalcopyrite, apatite, and rockbridgeite; Q)...and chamosite. Trace amounts of pyrrhotite, arsenopyrite, chalcopyrite, and apatite are widely distributed...The compositions of pyrrhoChamosite tite and arsenopyrite coexisting with pyrite are given Most chamositesin...study show small l4A in Table 5. Pyrrhotite and arsenopyrite from samples peaks, indicating that they are...analyses(Table l) and the abundance 5 0.13 2,55 K.O Arsenopyrite 0.18 5'2r 31.8 33.8 2.55 84716i Table |  | | Journal (article/letter/editorial) | | significant water rock interaction (Garrels and Christ, 1965; Merin and Segal, 1989). However, mature...gold occurs in metamorphogenic quartz-pyrite-arsenopyrite vein deposits which formed periodically during...minerals up to 1 m from large veins. Pyrite and arsenopyrite, with minor sphalerite, chalcopyrite and galena...iron minerals at 25°C and 1 bar (from Garrels and Christ, 1965; Hem, 1977; Craw and MacKenzie, 1992), showing...field (stippled) is generalized after Garrels and Christ (1965). Log total dissolved sulphur, arsenic, and |  | | Journal (article/letter/editorial) | | (pyrite±marcasite chalcopyrite sphalerite galena arsenopyrite) associated with ®ne-grained authigenic carbonates...addition to pyrite, they contain marcasite, arsenopyrite, chalcopyrite and sphalerite. Their original...Nose and Jacket's Point Fms contain pyrite (arsenopyrite) showing bedding-parallel inclusion planes....Barras Nose Fms contain disseminated pyrite (arsenopyrite) particularly at tectonised junctions with adjacent...correspond to pre-stage 1, D2a age (Q1), stage 2 (arsenopyrite± pyrite), D2b age (Q2) and quartz overgrowths |  | Yesares, Lola, Sáez, Reinaldo, Nieto, José Miguel, de Almodóvar, Gabriel Ruiz, Cooper, Stephen (2014) Supergene enrichment of precious metals by natural amalgamation in the Las Cruces weathering profile (Iberian Pyrite Belt, SW Spain) Ore Geology Reviews, 58. 14-26 doi:10.1016/j.oregeorev.2013.10.004 | Journal (article/letter/editorial) | | chalcopyrite, and galena. Tetrahedrite–tennantite, arsenopyrite, and different Bi- and Pb-sulfosalts are common...(Hough et al., 2009), and As-rich pyrite or arsenopyrite (Cook and Chryssoulis, 1990; Reich et al., 2005;...the massive sulfide ores occur as auriferous arsenopyrite, native Au and electrum associated with the...(Velasco et al., 1999). In Neves Corvo, Au-rich arsenopyrite, Ag-rich tetrahedrite, native Au and electrum...formation stage as Ag–Hg-rich electrum and Au-rich arsenopyrite, at lower temperature (280 °C) and associated |  | | Journal (article/letter/editorial) | | thermodynamic data of minerals from Garrels and Christ (1965), Meyer and Hemley (1967), Robie and Waldbaum...followed by arsenopyrite (Figure 3). Stage SE-b-I produced more than 95% of pyrite and arsenopyrite in the...different degrees of cataclasis (Figure 4c,d). Arsenopyrite exhibits less fractures than pyrite, and it...crystals (Figure 4c,d). Stage SE-b-I pyrite–arsenopyrite is crosscut and overprinted by stage SE-b-II...euhedral pyrite, followed by arsenopyrite (Figure 5b,c). However, arsenopyrite is significantly less abundant |  | | Journal (article/letter/editorial) | | Subordinate phases are sphalerite, ilmenite, arsenopyrite, mackinawite, molybdenite, cobaltite and pentlandite...cummingtonite rocks of M a d a n K u d a n sphalerite, arsenopyrite, cobaltite and do not f o r m immediate wall...netite 2. Chalcapyrite + pyrrhotite + magnetite + arsenopyrite + mackinawite + molybdenite 3. Chaleopyrite...pyrrhorite + cobaltite + mackinawite + sphalerite + arsenopyrite + molybdenite 13. Chalcopyrite + cubanite +...generally accepted as characteristic of annealing. Arsenopyrite, another rare phase, w h e n present occurs |  | | Journal (issue) | | Si), zincite (Zn, Mn), lollingite (As, Fe), arsenopyrite (Fe, As, S), and fluoborite, (Mg, F, B). The...primary arsenide lollingite and sulfarsenide arsenopyrite crystallized throughout the Franklin Marble...chunks of pargasitic grains of lollingite and arsenopyrite intergrowths. Three years ago I uncovered magnificent...coarse sprays and crystals of lollingite and arsenopyrite which make attractive displays against white...extremely limited conditions of formation. Garrels and Christ (1990), the reference which I use in this section |  | | 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...of man’s history to a few thousand years before Christ, new uses for rocks, minerals, and finally metals | | | 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...of man’s history to a few thousand years before Christ, new uses for rocks, minerals, and finally metals...metals and fashion ing stones. At the time of Christ substantial mining operations had commenced in |
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