 | | Catalog/List | | 73 ā BRAUNITE Praboma Mine, St Marcel ,Piedmont, Italy Dark grey massive with quartz or red mica lxl Ā£4..._ Fcldsp3~ -Ā·Ā· ~ 510 ā ā CHALCEDONY Greystones Quarry, lezant, Cornwall Grey banded massive lx2 Ā£1 2x2...- -- -- - -- - - -- - 134 ā CHALCOCITE Swinless Quarry, Kilbirnie, near Glasgow, Scotia Rich metallic...------ - -- - - - -- - - 26 ā DOLOMITE Thoiras Quarry. Gard . France Good creamy curved crystals on matrix...858 FERROSAPONITE San Giovanni, ilarione, Verona Italy Black to dark grey linings of8mm vesicles in Basalt | | | Catalog/List | | attractive small group about l x2 inches ( Coldstones Quarry, Yorkshire) Ā£7 19. ANAPAITE pale green micro...a good covering in open half nodule Val D' Arno Italy 2x3 Ā£15 good small display piece about a large 2x3...over 3x2 surface. Location interest. Coatsgate quarry Dumfries Scotland Ā£ 12 32. STILBITE good small...Serpentine and malachite on the top surface. Goonhilly Quarry, Lizard Cornwall 2x 1.5 Ā£7 57. KJDWELLITE small...Al SiO 2x2 Ā£30 I x2 Ā£ 1 5 I x I Ā£6 Grcystoncs Quarry, lczant, Cornwall 510 ā ā CHALCEDONY Grey banded |  | | Catalog/List | | about 1cm Clara Mine Black Forest Germany Ā£15 18 HEMATITE black, mirror-like, intergrown hexagonal crystals...ith-hair-like Ma~esioh;stingsit; lx2 Ā£20 Cava Montenero, Viterbo Italy 21 CHABAZITE rich coverage of pale orange...attractive, rich yellow platy mass in quartz La Bosse Quarry, Echassieres Allier France 2x3 inch Ā£10 33 MAGNESITE...crystals with Fuchsite Pollone, Biella, Piedmont Italy small 2x2 inch Ā£12 49 METEORITE thin silvery, cut...thin veins of sphalerite (look black) Monticatini Italy 2x3.5 inch Ā£10 56 SVABITE only clearly visible with |  | | Journal (article/letter/editorial) | | Reggio Emilia, L.go S. Eufemia 19, 41100 Modena, Italy 2 Dipartimento di Scienze Mineralogiche e Petrologiche...di Torino, Via Valperga Caluso 35, 10125 Torino, Italy 3 Dipartimento di Chimica, UniversitaĢ di Modena...and Reggio Emilia, via Campi 183, 41100 Modena, Italy 4 Dipartimento di Scienze della Terra, UniversitaĢ...Stagno dāAlcontres 31, I-98166 Messina S. Agata, Italy *Corresponding author, e-mail: squartieri@unime...from two archaeological sites in Northern Italy (Modena province and Galeata excavations) and from Catania |  | Medeghini, Laura, Mignardi, Silvano, De Vito, Caterina, Bersani, Danilo, Lottici, Pier Paolo, Turetta, Mariangela, Costantini, Jennifer, Bacchini, Elena, Sala, Maura, Nigro, Lorenzo (2014) The key role of micro-Raman spectroscopy in the study of ancient pottery: the case of pre-classical Jordanian ceramics from the archaeological site of Khirbet al-Batrawy. European Journal of Mineralogy, 25 (5) 881-893 doi:10.1127/0935-1221/2013/0025-2332 | Journal (article/letter/editorial) | | Sapienza University, Piazzale Aldo Moro 5, 00185 Rome, Italy *Corresponding author, e-mail: laura.medeghini@uniroma1...Parma, Parco Area delle Scienze 7/a, 43124 Parma, Italy 3 Department of Sciences of Antiquities, Sapienza...University, Piazzale Aldo Moro, 5, 00185 Rome, Italy Abstract: Micro-Raman (m-Raman) spectroscopy has...and calcite, and minor amount of feldspars and hematite. In addition, apatite and zircon, important markers...these ceramics: the red colour was obtained by hematite, the dark pigment by amorphous carbon. Mineral |  | Xiao, Yuxiong, Li, Yanzhang, Ding, Hongrui, Li, Yan, Lu, Anhuai (2018) The Fine Characterization and Potential Photocatalytic Effect of Semiconducting Metal Minerals in Danxia Landforms. Minerals, 8 (12) 554 doi:10.3390/min8120554 | Journal (article/letter/editorial) | | Lang Mountain Danxia landform in Xinning, Hunan province, China, and their mineral phases, element distribution... The results revealed that iron oxide (mainly hematite) and titanium oxide (mainly anatase) were the...minerals in Danxia red layers. Microcrystalline hematite was suggested as being the coloring mineral. Anatase...coarse-grain minerals (quartz and feldspar). The hematite and anatase were visible-light-responsive semiconductors...performed on synthetic hematite, anatase, and their coupled material. The inactive hematite displayed an enhanced |  | Ricca, Michela, Paladini, Giuseppe, Rovella, Natalia, Ruffolo, Silvestro Antonio, Randazzo, Luciana, Crupi, Vincenza, Fazio, Barbara, Majolino, Domenico, Venuti, Valentina, Galli, Giuliana, La Russa, Mauro Francesco (2019) Archaeometric Characterisation of Decorated Pottery from the Archaeological Site of Villa dei Quintili (Rome, Italy): Preliminary Study. Geosciences, 9 (4) 172 doi:10.3390/geosciences9040172 | Journal (article/letter/editorial) | | Archaeological Site of Villa dei Quintili (Rome, Italy): Preliminary Study Michela Ricca 1 , Giuseppe Paladini...Via Pietro Bucci, 87036 Arcavacata di Rende (CS), Italy; michela.ricca@unical.it (M.R.); natalia.rovella@unical...viale F. Stagno dāAlcontres 31, 98166 Messina, Italy; gpaladini@unime.it (G.P.); domenico.majolino@unime...viale F. Stagno dāAlcontres 31, 98166 Messina, Italy; vcrupi@unime.it CNR-IPCF Istituto per i Processi...dāAlcontres 37, Faro Superiore, I-98158 Messina, Italy; fazio@ipcf.cnr.it Soprintendenza Speciale per i |  | DaniÅ”Ćk, Martin, Evans, Noreen J., Ramanaidou, Erick R., McDonald, Brad J., Mayers, Celia, McInnes, Brent I.A. (2013) (UāTh)/He chronology of the Robe River channel iron deposits, Hamersley Province, Western Australia. Chemical Geology, 354. 150-162 doi:10.1016/j.chemgeo.2013.06.012 | Journal (article/letter/editorial) | | the Robe River channel iron deposits, Hamersley Province, Western Australia Martin DaniÅ”Ćk a,b,ā, Noreen...K. Mezger Keywords: (UāTh)/He dating Goethite/hematite Channel iron deposits Iron ore genesis Robe River/Mesa...debate. Two well-characterised samples of goethite/hematite CID from a diamond drill core in Mesa J of the...section through the Yandi CID in the Hamersley Province (Western 151 Australia). The authors found that...constraints on the formation of CID in the Hamersley Province, (ii) re-evaluate the existing genetic models |  | Krolop, Patrick, Jantschke, Anne, Gilbricht, Sabine, Niiranen, Kari, Seifert, Thomas (2019) Mineralogical Imaging for Characterization of the Per Geijer Apatite Iron Ores in the Kiruna District, Northern Sweden: A Comparative Study of Mineral Liberation Analysis and Raman Imaging. Minerals, 9 (9) 544 doi:10.3390/min9090544 | Journal (article/letter/editorial) | | (LKAB) which has been continuously mining magnetite/hematite ores in northern Sweden for over 125 years. Reliable...data for better characterization of magnetite and hematite-bearing ores. The different approaches demonstrate...iron ore; Kiruna; Raman spectroscopy; magnetite; hematite 1. Introduction The mineralogical characterization...g., magnetite and hematite). Especially the discrimination of magnetite and hematite becomes an important...prevalent in the Kiirunavaara deposit. Increasing hematite contents in the other deposits in the Kiruna district |  | | Journal (article/letter/editorial) | | vibrational spectra of tungsten-bearing goethite and hematite from Western Rhodopes, Bulgaria MIHAIL TARASSOV*...The incorporation of tungsten in goethite and hematite as well as the relationships between the two minerals...oxide phase (Fw) with 22.19-25.12 wt.% WO3, and hematite (H-I) with 1.21-1.72 wt.% WO3. It is shown that...(ii) replacement of the residual goethite G-II by hematite H-I. An atomic ratio W/Fe of about 0.006 is supposed...W6+) incorporation of tungsten into goethite and hematite in the sample studied. The Raman spectrum of G-II |  | Kreissl, Stefan, Bolanz, Ralph, Gƶttlicher, Jƶrg, Steininger, Ralph, Tarassov, Mihail, Markl, Gregor (2016) Structural incorporation of W6+into hematite and goethite: A combined study of natural and synthetic iron oxides developed from precursor ferrihydrite and the preservation of ancient fluid compositions in hematite. American Mineralogist, 101 (12) 2701-2715 doi:10.2138/am-2016-5690 | Journal (article/letter/editorial) | | 2701ā2715, 2016 Structural incorporation of W6+ into hematite and goethite: A combined study of natural and...preservation of ancient fluid compositions in hematite Stefan Kreissl1,*, Ralph Bolanz2, Jƶrg Gƶttlicher3...building 107, 1113 Sofia, Bulgaria 1 Abstract Hematite (a-Fe2O3) and goethite (a-FeOOH) can incorporate...Although W concentrations up to several wt% in hematite and goethite have been reported in the literature...incorporation into hematite and goethite. Botryoidal specimens of goethite and hematite, obtained from the |  | | Journal (article/letter/editorial) | | July 2015 Keywords: Ferrihydrite Mine tailings Hematite Arsenic Structural incorporation a b s t r a...transforms to hematite (with traces of goethite) after 168 h of aging (75 Ā°C and pH ~ 10). Hematite generated...suggest the As is incorporated into the newly formed hematite via both bidentate-mononuclear and binuclear corner...as a precursor to more crystalline and stable hematite and/or goethite (Schwertmann and Cornell, 1991;...transformation to more stable, crystalline phases such as hematite and/or goethite (Das et al., 2011a; Cudennec and |  | | Book (volume) | | Ca2B4O4(OH)7ClĀ·7H2O Locality: Salar de Carcote deposit, El Loa province, Antofagasta, Chile. Description: Colourless crystal...borax deposit, Salar del Hombre Muerto, Salta province, Argentina (type locality). Description: Colourless...District, Vakinankaratra Region, Antananarivo Province, Madagascar. Description: Grey grains from the...borax deposit, Salar del Hombre Muerto, Salta Province, Argentina. Description: Colourless crystal. Identified... Locality: Larderello, Val di Cecina, Tuscany, Italy (type locality). Description: White powdery aggregate |  | | Journal (article/letter/editorial) | | of chromite, ulvƶspinel, magnetite, ilmenite, hematite, and some of their solid solutions are presented...their Raman spectral patterns, as are ilmenite and hematite. In the low signal-to-noise (S/N) spectra generally...rock chip appears to be that of non-terrestrial hematite, reflecting local oxidizing alteration, which...are chromite, ulvƶspinel, magnetite, ilmenite, hematite, and their solid solutions. They belong to two...0.06 0.54 0.02 0.00 0.04 97.8 27.73 9.72 98.8 Hematite 497-2* HMS3ā 78.73 88.74 0.00 0.14 0.00 ā 11.25 |  | | Journal (article/letter/editorial) | | orthoclase (Al and K), wollastonite (Si), and hematite (Fe). Because immiscible Fe-rich liquid quenched...tension of glass-forming melts. In l.D. Pye, A. Montenero, and I. Joseph, Eds., Properties of Glass-Forming |  | Asta, Maria P., Cama, Jordi, Ayora, Carlos, Acero, Patricia, de Giudici, Giovanni (2010) Arsenopyrite dissolution rates in O2-bearing solutions. Chemical Geology, 273 (3) 272-285 doi:10.1016/j.chemgeo.2010.03.002 | Journal (article/letter/editorial) | | University of Cagliari, Via Trentino 51, Cagliari 09127, Italy a r t i c l e i n f o Article history: Received...(Fig. 7b) show peaks that are associated with hematite, iron oxy (hydroxide), probably goethite, as well...represent ferrihydrite, which could transform into hematite and/or goethite as pH increased (Schwertmann and...20 (1ā2), 87ā108. Bersani, D., Lottici, P.P., Montenero, A., 1999. Micro-raman investigation of iron oxide...in the Baccu Locci stream catchment (Sardinia, Italy) affected by past mining. Appl. Geochem. 18, 1373ā1386 |  | | Journal (article/letter/editorial) | | coordination, we begin with the volume of crystalline hematite at 1673 K (31.98 cm3/mol; Robie and Hemingway...1995; Taylor 1984). If the volume of fusion for hematite is assumed to be ~5ā10% (to a hypothetical pure...Kristallographie, 155, 81ā113. Baiocchi, E., Bettinelli, M., Montenero, A., and Disipio, L. (1982) Spectroscopic behavior |  | Sklute, Elizabeth C., Kashyap, Srishti, Dyar, M. Darby, Holden, James F., Tague, Thomas, Wang, Peng, Jaret, Steven J. (2018) Spectral and morphological characteristics of synthetic nanophase iron (oxyhydr)oxides. Physics and Chemistry of Minerals, 45 (1) 1-26 doi:10.1007/s00269-017-0897-y | Journal (article/letter/editorial) | | nanophase akaganĆ©ite, lepidocrocite, goethite, hematite, ferrihydrite, magnetite, and maghemite. Feature...distinguishing akaganĆ©ite, lepidocrocite, goethite, and hematite, though ferrihydrite, magnetite, and maghemite...nanophase lepidocrocite, nanophase goethite, nanophase hematite, ferrihydrite, nanophase magnetite, nanophase...minerals; this is the case for very fine-grained hematite, whose surface domains become maghemite-like in...the Raman laser, converting almost invariably to hematite (Hanesch 2009), the most thermodynamically stable |  | | Journal (article/letter/editorial) | | LAMA Laboratory, Iuav University, 30125 Venice, Italy; mverita@libero.it C2RMF, Centre de Recherche et...Sperimentale del Vetro, Murano, MuranoāVenice (Italy), equipped with three wavelength-dispersive spectrometers...(Ca2 Sb2 O7 ); Mgn: magnetite (Fe3 O4 ); Hem. Hematite (Fe2 O3 ); Inc.A: inclusions composed by Cu-Ag-Sb;...dark transparent layer), a large inclusion of hematite (Fe O 2 3) both layers (Figure 23c), while in...with a devitrification product (wollastonite). hematite (Fe (Fe22O O33)) was was detected detected together |  | | Journal (issue) | | Mineralogical Collection Professionals, Milan, Italy GĆ©rard Panczer Claude Bernard University Lyon 1...optical phenomena are caused by oriented lath-shaped hematite inclusions (Koivula & Tannous 2003; Henn et al...Calcite vein-dikes of the Grenville geological province, Ontario, Canada. Rocks & Minerals, 81(1), 34ā42...comes from the Thuong Xuan District of Thanh Hoa Province in north-central Vietnam, as well as Lam Dong...of topaz from an alluvial deposit in Thanh Hoa Province (i.e. Doi Ty mine). Gem and mineral dealer Dudley |  | | Book | | Prof.Dr. Juraj Majzlan Germany Dr. Mario Berra Italy Prof.Dr. Terje Malvik Norway Dr. Arjan Ciftja... 8 Three-dimensional evaluation of magnetiteāhematite transformation via EBSD technique Barbosa, PF...aggregates in mortars: examples from Lombardy (Northern Italy) Bugini, R, and Folli, L 85 13 Assessment of...chlorite-talc mineralisations in Central Sardinia, Italy Fadda, S, Fiori, M, Grillo, SM, and Prochaska, W...187 23 24 163 25 Advanced discrimination of hematite and magnetite by automated mineralogy Figueroa |  | | Journal (volume) | | of Banded Iron Formation-Hosted High-Grade Hard Hematite DepositsāA Paleomagnetic Approach M. O. de Kock...Geochemistry of Banded Iron Formation-Hosted High-Grade Hematite-Martite Iron Ores J. Gutzmer, Benny C. Chisonga...Genesis of Giant Banded Iron Formation-Hosted Hematite Ore Deposits John G. McLellan and Nicholas H....Formation-Related Iron Ore Deposits of the Hamersley Province, Western Australia Warren Thorne, Steffen Hagemann...Norte Iron Ore Deposits in the CarajĆ”s Mineral Province, ParĆ” State, Brazil Rosaline Figueiredo e Silva |  | | Journal (article/letter/editorial) | | of Nakhla is rich in clay alteration materials, hematite, and Fe-Mn carbonates. These minerals occur both...the ovoid structure (Fig. 2b), exclusive of the hematite-carbonate spectrum, which is from another mesostasis...the top spectrum, Hem indicates characteristic hematite peaks and Carb indicates the main characteristic...crystals in Nakhla. 3.2.6. Carbonate and hematite. Carbonate and hematite are also present in the studied thin...here that the hematite peak at 658 cm - 1 coincides with a forbidden band in hematite spectra and is |  | | Book | | is likely to be the next major global iron ore province. The geologic formations are similar to those...range of different ore types, including magnetite, hematite, V-Ti magnetites, limonite, siderite, and other...approximately 64% of China's reserves, followed by hematite, V-Ti magnetite, siderite, limonite, and other...iron ore production. 4.00% 2.00% 6.00% 12.00% Hematite Magnetite 12.00% V-Ti magnetite Limonite Siderite...formations, and mining areas in China Iron ore province Eastern China Yangtze South China Total Formation |  | | Book | | et al. [22]. Similar elemental compositions of hematite and magnetite and almost identical backscattered...silicates, REE-carbonates, pyrochlore, as well as of hematite, rutile, titanite, or ļ¬uorite (Figure 2). Quartz...intergrown with HFSE minerals, as well as with hematite and ļ¬uorite (Figure 3A). 11 Minerals 2019,...interstitial quartz intergrown with dark zircon-hematite aggregates. Optical microscopic image with cross-polarized...albite (white to red) is colored red by ļ¬ne grained hematite on lath planes. Microscopic image of KB G1 plain |
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Montenero Quarry, Onano, Viterbo Province, Lazio, Italy