 | | Report (issue) | | = 7.28 X-ray Powder Pattern: Les Vallettes, Switzerland. 18.2 (100), 9.06 (90), 6.06 (50), 3.568 (50)...(2) 27.0 Total 100.62 99.1 2+ 2+ (1) Xitieshan mine, China; corresponds to (Zn0.82 Fe0.08 Mn0.06 Ca0...(SO4 )6.50 (OH)2 • 18.4H2 O. (2) Les Vallettes, Switzerland; H2 O by TGA; corresponds to Zn0.97 Fe3+ 4.03...Pb–Zn deposit in a very arid climate (Xitieshan mine, China); a precipitate from thermal hot springs...alteration product of pyrite and sphalerite in schists (Les Vallettes, Switzerland). Association: Copiapite |  | Yao, Chen, Zhuang, Xinguo, Querol, Xavier, Li, Jing, Li, Baoqing, Moreno, Natalia, Zhang, Feng (2019) New Data and Evidence on the Mineralogy and Geochemistry of Wulantuga High-Ge Coal Deposit of Shengli Coalfield, Inner Mongolia, China. Minerals, 10 (1) 17 doi:10.3390/min10010017 | Journal (article/letter/editorial) | | are mainly quartz, kaolinite, montmorillonite, pyrite, and gypsum, along with trace albite, barite, chlorite...those in coalified trunk samples include melanterite, pyrite, and gypsum, with traces of chlorite and...hydrothermal fluids as evidenced by the presence of pyrite veins and chamosite as well as enhanced elemental...exploitation, the mining area of the Wulantuga open-pit mine has been expanded northward. In previous studies...fourteen samples high-GeWulantuga Wulantuga open-pit mine A total of fourteen sampleswas wascollected collected |  | | Report (chapter) | | closed-basin lakes, in rock outcrops, and in mines and mine wastes has been noted since early antiquity. The...ancient civilizations. It forms from the oxidation of pyrite in shales and slates and from oxidation of sulfurous...sulfides, such as cobaltite. He goes on to say that “Pyrite , unless it contains sulphates, is either a golden...commonly is caused by different amounts of admixed pyrite with sulfate minerals. From the days of the Greek...efflorescent salts atramentum sutorium virida or melanterite (also called melanteria) and atramentum sutorium |  | Silva, Teresa P., Matos, João X., De Oliveira, Daniel, Veiga, João P., Morais, Igor, Gonçalves, Pedro, Albardeiro, Luís (2020) Mineral Inventory of the Algares 30-Level Adit, Aljustrel Mine, Iberian Pyrite Belt, Portugal. Minerals, 10 (10) 853 doi:10.3390/min10100853 | Journal (article/letter/editorial) | | of the Algares 30-Level Adit, Aljustrel Mine, Iberian Pyrite Belt, Portugal Teresa P. Silva 1, * , João...activity in Algares (Aljustrel Mine, Portuguese sector of the Iberian Pyrite Belt, IPB) stems prior to Roman...sulphide and related stockwork zone are hosted by the Mine Tuff volcanic unit and are exposed in the walls...showing intense hydrothermal alteration. Along the mine adit, the geological sequence is affected by strong...sulphides. The most common minerals found were melanterite (FeSO4 ·7H2 O) and chalcanthite (CuSO4 ·5H2 O) |  | D’Orazio, Massimo, Mauro, Daniela, Valerio, Marta, Biagioni, Cristian (2021) Secondary Sulfates from the Monte Arsiccio Mine (Apuan Alps, Tuscany, Italy): Trace-Element Budget and Role in the Formation of Acid Mine Drainage. Minerals, 11 (2) 206 doi:10.3390/min11020206 | Journal (article/letter/editorial) | | Arsiccio Mine (Apuan Alps, Tuscany, Italy): Trace-Element Budget and Role in the Formation of Acid Mine Drainage...suite of sulfate minerals from the Monte Arsiccio mine (Apuan Alps, Northern Tuscany, Italy), previously...dissolution in controlling the quality of water in acid mine drainage systems. Valerio, M.; Biagioni, C. Secondary...trace elements; dissolution; acid mine drainage; Apuan Alps; Italy Mine (Apuan Alps, Tuscany, Italy): Trace-Element...Trace-Element Budget and Role in the Formation of Acid Mine Drainage. Minerals 2021, 11, 206. https:// 1. Introduction |  | | Journal (article/letter/editorial) | | abandoned mine sites. Sulfate salts of Fe, which form from the oxidative weathering of pyrite or pyrrhotite...these sites. Acid generated from the oxidation of pyrite or pyrrhotite can attack carbonate and silicate...such as melanterite [Fe2+SO4·7H2O]. Copper and Zn show extensive solid solution in the melanterite structure...Peterson 2002). Solid solution of Ni in the melanterite structure approaches 20 mol%, whereas that for...of cobalt sulfates Bieberite is a member of melanterite group, which consists of monoclinic (P21/c) sulfate |  | | Journal (article/letter/editorial) | | dissolution of sulfate minerals may increase the pyrite oxidation process and Tl release from Tl-bearing...2021, 11, 855. https:// Keywords: thallium; pyrite; acid mine drainage; secondary sulfate minerals; environmental...© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...mineralization, and is distributed in North Macedonia, Switzerland, and France [8–12]. The third one is related...sulfide minerals, e.g., lorandite, carlinite, and pyrite [13–17]. To date, 63 thallium sulfide or 4.0/) |  | | Journal (article/letter/editorial) | | minerals Review Sulfates from the Pyrite Ore Deposits of the Apuan Alps (Tuscany, Italy): A Review Cristian...occurrence of sulfate minerals associated with the pyrite ores of the southern Apuan Alps has been known...Sulfate assemblages were identified in all the pyrite ore deposits from the studied area but the more...understanding of the acid mine drainage (AMD) systems associated with pyrite oxidation. More than 20 different...scordariite) have their type localities in the pyrite ore deposits of the Apuan Alps. A review of the |  | Buzzi, Jorge, Riaza, Asunción, García-Meléndez, Eduardo, Weide, Sebastian, Bachmann, Martin (2014) Mapping Changes in a Recovering Mine Site with Hyperspectral Airborne HyMap Imagery (Sotiel, SW Spain) Minerals, 4 (2) 313-329 doi:10.3390/min4020313 | Journal (article/letter/editorial) | | com/journal/minerals Article Mapping Changes in a Recovering Mine Site with Hyperspectral Airborne HyMap Imagery (Sotiel...to map mine waste from massive sulfide ore deposits, mostly abandoned, on the Iberian Pyrite Belt (southwest...(southwest Spain). Mine dams, mill tailings and mine dumps in variable states of pyrite oxidation are recognizable...sequence of algorithms used to produce maps of the mine sites. The mineralogical identification capability...geological setting and the recovery state of the mine site. Subtle mineralogical changes are enhanced |  | | Journal (article/letter/editorial) | | formation-dissolution-precipitation cycle of melanterite at the abandoned pyrite mine of Genna Luas in Sardinia, Italy:...ACT At the abandoned pyrite mine at Genna Luas (Sardinia, Italy), melanterite is the most environmentally...phase associated with pyrite oxidation. A complete cycle, including formation on pyrite surface, dissolution...oxidation of pyrite to melanterite is related mainly to the ‘intrinsic’ features of the Genna Luas pyrite, such...cryptocrystalline pseudo-colloidal texture. During melanterite formation on pyrite there is transient storage of Fe2+ |  | Murray, Jesica, Kirschbaum, Alicia, Dold, Bernhard, Guimaraes, Edi, Miner, Elisa (2014) Jarosite versus Soluble Iron-Sulfate Formation and Their Role in Acid Mine Drainage Formation at the Pan de Azúcar Mine Tailings (Zn-Pb-Ag), NW Argentina. Minerals, 4 (2) 477-502 doi:10.3390/min4020477 | Journal (article/letter/editorial) | | Formation and Their Role in Acid Mine Drainage Formation at the Pan de Azúcar Mine Tailings (Zn-Pb-Ag), NW Argentina...iron-sulfate minerals control the composition of acid mine waters formed by the oxidation of sulfide in tailings...tailings impoundments at the (Zn-Pb-Ag) Pan de Azúcar mine located in the Pozuelos Lagoon Basin (semi-arid... In the primary zone of the tailings (9.5 wt % pyrite-marcasite) precipitation of anglesite (PbSO4),...outcrops. The most abundant compounds in the acid mine drainage (AMD) are SO42−, Fe2+, Fe3+, Minerals |  | Sidenko, N. V., Lazareva, E. V., Bortnikova, S. B., Kireev, A. D., Sherriff, B. L. (2005) GEOCHEMICAL AND MINERALOGICAL ZONING OF HIGH-SULFIDE MINE-WASTE AT THE BERIKUL MINE-SITE, KEMEROVO REGION, RUSSIA. The Canadian Mineralogist, 43 (4) 1141-1156 doi:10.2113/gscanmin.43.4.1141 | Journal (article/letter/editorial) | | MINERALOGICAL ZONING OF HIGH-SULFIDE MINE-WASTE AT THE BERIKUL MINE-SITE, KEMEROVO REGION, RUSSIA NIKOLAY...low-carbonate (3 wt.% dolomite) waste at the Berikul gold mine, Kemerovo region, Russia, was studied in order to...altered waste, (2) cemented hardpan zone, (3) melanterite zone, (4) intermediate zone and (5) jarosite...jarosite. An intermediate stage, recorded in the melanterite and intermediate zones, is identified by the...the precipitation of Zn-, Cu- and Cdbearing melanterite. The intermediate stage of weathering continues |  | Bortnikova, Svetlana, Abrosimova, Natalya, Yurkevich, Nataliya, Zvereva, Valentina, Devyatova, Anna, Gaskova, Olga, Saeva, Olga, Korneeva, Tatyana, Shuvaeva, Olga, Pal’chik, Nadezhda, Chernukhin, Valery, Reutsky, Alexander (2019) Gas Transfer of Metals during the Destruction of Efflorescent Sulfates from the Belovo Plant Sulfide Slag, Russia. Minerals, 9 (6) 344 doi:10.3390/min9060344 | Journal (article/letter/editorial) | | during the dehydration of sulfates (Na-jarosite, melanterite, and chalcanthite) collected at the surface of...Na-jarosite, the white efflorescence contained melanterite as the major mineral, and the blue efflorescence...(TDS) was found in the gas condensates from melanterite (59 mg/L), followed by chalcanthite (29 mg/L)...rocks, coal deposits, metallic ore deposits, and mine waste [1–4]. The role of sulfates is apparent when...morphologies compositions [13]. correlate with acid mine drainage (AMD) chemistry and the overall mineralogical |  | | Journal (issue) | | 1 Droplet of Native Mercury on Calomel Red Bird Mine, Churchill Co. Nevada Another counterintuitive...organic material that ultimately became the Pichaco Mine, San Benito Co., California two organic minerals...like a glass than a crystalline material. Red Bird Mine, Churchill Co., Nevada From time to time people...given. The 5 Fig. 7 Diamond Manufactured in Switzerland Natural from Kimberley, South Africa mineral...Mountain, Lander Co. Nevada slag weathering, mine fires, or mine water. (20) The IMA does not like to accept |  | | Journal (article/letter/editorial) | | DISTORTION IN THE ATOMIC STRUCTURE OF MELANTERITE FROM THE RICHMOND MINE, IRON MOUNTAIN, CALIFORNIA RONALD...synthetic samples of melanterite, (Fe,Cu)SO4 •7H2O, and six natural samples of melanterite and one of zinc-melanterite...zinc-melanterite from the Richmond mine, Iron Mountain, California, has been refined in space group P21/c...wide variation in the chemical composition of melanterite from this locality, but no strong correlation...wide range of colors exhibited by the material. Melanterite with a deep blue color could easily be confused |  | | Journal (article/letter/editorial) | | presence of sulfur-bearing phases, particularly pyrite, in coal and coal wastes leads to environmental...mineral matter and moisture content, the run-of-mine (ROM) coal has low calorific values. Thus the coal...inorganic sulfide sulfur occurs mainly in the form of pyrite (FeS2 ), other sulfides such as galena (PbS), sphalerite...which has been mainly attributed to the presence of pyrite in coal seams and coal waste piles [17–20]. The...researchers such as [1,21–25]. In ARD formation, pyrite (FeS2 ) oxidizes in the presence of water to ferrous |  | | Journal (article/letter/editorial) | | marcasite + melanterite, which eventually oxidizes to melanterite + sulfuric acid. Melanterite is extruded...pit face, where they evaporate to form melanterite. The melanterite rapidly dehydrates to form rozenite...falls into a pile at the base of the wall, where melanterite, copiapite, and halotrichite are present. The...environmental risk. INTRODUCTION Fe1- x S + Acid mine drainage (AMD) environments provide of a rich tapestry...sulfur, oxygen, and hydrogen. The important acid mine drainage minerals can be divided into three types: |  | Lacalamita, Maria, Ventruti, Gennaro, Della Ventura, Giancarlo, Radica, Francesco, Mauro, Daniela, Schingaro, Emanuela (2021) In Situ High-Temperature X-ray Powder Diffraction and Infrared Spectroscopic Study of Melanterite, FeSO4·7H2O. Minerals, 11 (4) 392 doi:10.3390/min11040392 | Journal (article/letter/editorial) | | Diffraction and Infrared Spectroscopic Study of Melanterite, FeSO4 ·7H2O Maria Lacalamita 1 , Gennaro Ventruti...Diffraction and Infrared Spectroscopic Study of Melanterite, FeSO4 ·7H2 O. Minerals 2021, 11, 392. https://doi...Abstract: The thermal behavior of melanterite from the Fornovolasco mine (Tuscany, Italy) has been investigated...high-temperature infrared analysis confirmed that melanterite undergoes a three-step dehydration in the 25–300...with respect to the synthetic salt. Keywords: melanterite; Fornovolasco; Apuan Alps; thermal analysis; |  | Moncur, Michael C., Ptacek, Carol J., Blowes, David W., Peterson, Ronald C. (2015) The Occurrence and Implications of Efflorescent Sulfate Minerals At the Former Sherritt–Gordon Zn–Cu Mine, Sherridon, Manitoba, Canada. The Canadian Mineralogist, 53 (5) 961-977 doi:10.3749/canmin.1500092 | Journal (article/letter/editorial) | | SULFATE MINERALS AT THE FORMER SHERRITT–GORDON Zn–Cu MINE, SHERRIDON, MANITOBA, CANADA MICHAEL C. MONCUR§...copper, silver, and gold between 1930 and 1951. Since mine closure, two high-sulfide tailings impoundments...at seepage zones were identified, including melanterite, rozenite, halotrichite, chalcanthite, alpersite...alpersite, jarosite, mine tailings, modeling, efflorescent minerals, copiapite, melanterite, jurbanite, metals...Sherritt–Gordon Zn–Cu Mine, Sherridon, Manitoba, Canada. INTRODUCTION Pyrite (FeS2) and pyrrhotite (Fe1–xS) |  | | Journal (article/letter/editorial) | | eastern United States. The salts, which are present on mine wastes, tailings piles, and outcrops, include minerals...primarily the highly soluble members of the melanterite, rozenite, epsomite, halotrichite, and copiapite...sites). Geochemical modeling of surface waters, mine-waste leachates, and salt leachates using PHREEQC...remediation activities because of the emanation of acid mine drainage. The cycling of metals and acid by the...sulfate-mineral assemblages contribute to acid mine drainage at many coal mines in the eastern US, the |  | | Journal (article/letter/editorial) | | ABSTR ACT The soluble metal sulphate salts melanterite, rozenite, rhomboclase, szomolnokite, copiapite...evaporating, acid, sulphate-rich solutions as a result of pyrite oxidation. Chemical analyses of mixtures of these...of the Rı́o Tinto during the summer period. Melanterite and rozenite precipitates at Rı́o Tinto are only...coquimbite, voltaite and gypsum. K EY WORDS : melanterite, rozenite, rhomboclase, szomolnokite, copiapite...drainage systems can develop due to the oxidation of pyrite and other sulphides whenever neutralizing minerals |  | Ortiz-Castillo, Jose, Mirazimi, Mohamad, Mohammadi, Maryam, Dy, Eben, Liu, Wenying (2021) The Role of Microorganisms in the Formation, Dissolution, and Transformation of Secondary Minerals in Mine Rock and Drainage: A Review. Minerals, 11 (12) 1349 doi:10.3390/min11121349 | Journal (article/letter/editorial) | | Dissolution, and Transformation of Secondary Minerals in Mine Rock and Drainage: A Review Jose Eric Ortiz-Castillo...Dissolution, and Transformation of Secondary Minerals in Mine Rock and Drainage: A Review. Minerals 2021, 11,...ca Correspondence: wenying.liu@ubc.ca Abstract: Mine waste rock and drainage pose lasting environmental...industry, regulatory agencies, and society as a whole. Mine drainage can be alkaline, neutral, moderately, or...oxidation, the diverse microbial communities present in mine rock and drainage may also participate in the formation |  | | Journal (article/letter/editorial) | | HYDRATED IRON SULFATES ON LABORATORY SAMPLES OF PYRITE- AND MARCASITE-BEARING COALS R.G. WIESE, Jr. ~...hydrated iron sulfates on laboratory samples of pyrite- and marcasite-bearing coals. Chem. Geol., 63:29...63:29 38. Hydrated iron sulfates identified as melanterite, rozenite, szomolnokite and halotrichite have...stored under normal atmospheric conditions. Melanterite and rozenite are likely the earliest hydrated...significant differences between reactivities of pyrite and marcasite with respect to sulfate formation |  | | Journal (article/letter/editorial) | | siderotil from the B drift in the Richmond Cu–Zn–pyrite mine, Iron Mountain, California, occur with coquimbite... sulfate minerals, crystal structure, mine waste, melanterite, rozenite. SOMMAIRE On trouve des cristaux...le long de la gallerie B de la mine Richmond (minerai de Cu–Zn–pyrite) à Iron Mountain, en Californie...INTRODUCTION Hydrous metal sulfates are commonly found in mine waste and are intimately involved with the retention...occurs as a result of the dehydration of melanterite in mine waste. The atomic structure is related to |  | | Report (issue) | | ........................................ 40 Melanterite .......................................................................................... 44 Pyrite .................................................copiapite, epsomite, fluorite, marcasite, melanterite, millerite, pyrite, pyrrhotite, smythite, sphalerite,...aragonite, calcite, gypsum, hematite, marcasite, mica, pyrite, quartz, and galena. Their use of galena, which... p. 39) that the hydrated halloysite at Gardner Mine Ridge (see p. 36) conceivably could have been formed |
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