 | | Journal (article/letter/editorial) | | substitution in goethite, effect of photochemical dissolution kinetics 347 substitution in goethite, effect on...petrography 449 Analytical electron microscope (AEM) goethite in weathered olivine 418 halloysite in weathered...318 oxalate, effect on dissolution kinetics of goethite 347 Announcement Euroclay '87 meeting 239 Proceedings...laterite profile over 196 olivine in, replacement by goethite, saponite, halloysite, iddingsite 418 weathered...profile on 196 weathered, smectite, halloysite, goethite in 161 weathering of 161. 196,418 Beidellite (see |  | | Journal (article/letter/editorial) | | Tourmaline on quartz, Cruzeiro mine, Minas Gerais, Brazil. Los Angeles County Museum of Natural History specimen...Pelt photo. MarcWApril: Beryl and calcite, La Pita mine, Maripi Boyacii, Columbia. Cal Graeber, Leonard... near Badger Creek, north of Coaldale, Fremont County, Colorado. Dave Bunk specimen, Jeff Scovil photo...(Herkimer “diamonds’’), Treasure Mountain Diamond mine, near Little Falls, New York. Uli Bahmann specimen...photo. SepteniberlOctober: Gold, Smuggler Union mine, Telluride district, Colorado. Colorado School of |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised • by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation |  | | Journal (article/letter/editorial) | | Dissolution occurs in nature through the attack of acid mine waters or weathering and it is also used in industry...occurring during acid dissolution of smectites (Breen et al., 1995a,b; Gates et al., 1996; Komadel et...cations and easily soluble admixtures such as goethite. Common ‘insoluble’ phases found in the fine fractions...from the depopulation of the octahedral sheets (Breen et al., 1995a,b). Four dioctahedral smectites of...profiles suggested presence of Brønsted acid sites (Breen et al., 1997b). The recent study of cyclohexylamine |  | | Journal (article/letter/editorial) | | Dame, 156 Fitzpatrick Hall, Notre Dame, IN 46556, USA b Crop, Soil and Environmental Sciences, Purdue University...University, 915 W State Street, West Lafayette, IN 47907, USA Received 13 April 2007; accepted in revised form...contrast, reported DFOB sorptive capacities for goethite, manganite, or kaolinite are <0.025 mmol/g at...derivative of DFOB. SWy-2 montmorillonite (Cook County, WY) was obtained from the Source Clays Repository...are not strongly involved in hydrogen bonding. Breen et al. (2000) found similar results for the absorption |  | | Journal (article/letter/editorial) | | Schoonheydt and Heughebaert, 1992; Breen and Loughlin, 1994; Breen and Rock, 1994; Gessner et al., 1994)...montmorillonites: SAz-l, Apache County, Arizona (SAz); SCa-2, San Diego County, California (SCa); and Horni...(ST), and a ferruginous smectite, SWa-1, Grand County, Washington (SWa). The bentonites were fractionated...known admixtures, i.e. free silica, kaolinite, goethite and anatase (Cicel et ai., 1992) and that of sample...sample HD for 17% of total Fe bound in goethite. Table 1 shows that octahedral occupancy is very close |  | | Journal (article/letter/editorial) | | and Leckie, 1981; Margulies , 1988; Rytwo , 1993; Breen and Rock, 1994), in which multiple adsorbates vied...Milli-Q reagent-grade water (Millipore Corp., Bedford, USA) was used throughout. Acid-washed kaolinite (Ajax...organic acids on sorption of Cu2+ and Ca2+ on goethite. , 60, 291ÿ304. Angove, M.J., Johnson, B.B. and...Johnson, B.B. (1999) Adsorption of cadmium(II) onto goethite and kaolinite in the presence of benzene carboxylic...on amorphous iron oxyhydroxide. , 83, 410ÿ419. Breen, C. and Rock, B. (1994) The competitive adsorption |  | | Catalog/List | | with red cavity. 2. 3. ALSTONITE, Fallowfields Mine,Hexham,Northumberland. Sharp,creamy,small spikey...00. 11 length) ;'cross". ANGLESITE. Tsumcorp Mine,Tsumeb 1 0tavi,S.W.Africa. Choice,gemmy,flattened...3x2x11; 1', 25. 00. 16. ARSENOPYRITE.P endarves Mine , Camborne , Cornwall . Si 1 very ~e ll. ••f oraie...11 ,~15.oo. • .. 18. 19 • AURICHALCITE. 79 Mine, Gila Co.,Arizona,U.SrA, Lustrous turquoise-blue...~10 00. ·* AURICHALCITE/HEMIMORPHITE, Golconda Mine, Brassinr;ton, Derbyshire. Rich gree~ish radiating |  | | Journal (issue) | | Famous mineral localities: the Home Sweet Home mine ..................................................quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by...significant mineral localities in C o l o r a d o ,by county. In addition, there is a complete listing o f all...type localities, and an alphabetical cross-index by mine name. T INTRODUCTION In the Spring of 1976 a group...invited. COLORADO LOCALITY INDEX BOULDER COUNTY Caribou Mine Caribou (near Nederland), Caribou District |  | | Catalog/List | | x 6 cm) 81B03 MACDONALDITE, Rush Creek, Fresno County, California. (a) Micro acicular white macdonaldite...(2 x 1.5 x 1.5 cm) 81B06 STILPNOMELANE, Sterling Mine, Antwerp, N.Y. (a) very nice (7 x 11 cm) Botryoidal...millerite spray) ••• $20.00 81B07 CHALCOCITE, Magma Mine, Superior, Arizona. Sharp (1 mm) chalcocite crystals...MONTEBRASITE , Li Al (P0 ) (OH,F), Tourmaline Queen Mine, Pala, California (a) 4 large (9 x 6 cm) very crude...-t"'-- 81B21 GUANAJUATITE, Bi Se, La Industrial Mine, Sierra de Santa Rosa, Guanajuato, Guanajuato, Mexico; |  | | Journal (article/letter/editorial) | | assemblages in, genesis 131 Bauxite hematite, goethite in, mineral analysis by thermodifferential XRD...Structural and Magnetic Properties of Synthetic Goethite and Related Oxides 165 Bentonite (see also Montmorillonite...HERBILLON),Quantitative Determination of Hematite and Goethite in Lateritic Bauxites by Thermodifferential X-ray...Smectite in An Entisol at Red Rock Canyon, Kern County, California 425 BOYD, S. A. (with SUN SHAOBAI,J...Pentachlorophenol Sorption by Organo-Clays 125 BREEN, CHRISTOPHER(with SEAN LYNCH), Reexamination of |  | | Catalog/List | | Limonite mmtrix. 3x2". £8. 10. BARYTES. Haile Moor Mine, Nr. Egremont, W. Cumberland. Superb, intergrown...association. 2~xlt". £2. 16. CaSSITERITE. Dolcoath Mine, Camborne, Cornwall. h mass of light brown fine...from the deep levels of Cormla II's richest tin mine. 3x2~xli". £2. =. 17. C",-SSITThITE variety "TOr...sample. 2xltxlt". £1.25. 19. CBALCOCITE. Geevor Mine, Pendeen, Cornw 11. h single 3 mID. sized sharp...Barytes. 4x4~". £6. 22. Cfu,LCOSIDThITE. Phoenix Mine, Linkinhorne, Cornwall. Specimen h - Dark green |  | | Journal (article/letter/editorial) | | Society at the Purdue University, West Lafayette, USA. The clay fraction (<2 lm) was separated by sedi...in saline–acidic solutions Corp., Dubuque, IA, USA) water by ultrsonification. A drop of the dispersed...to the saturation with respect to akaganéite, goethite and hematite. The DG values for all minerals except...Kaolinite Brucite Quartz Gibbsite Akaganéite Goethite Hematite I = 0.25 1.00 2.06 2.99 4.00 57.72...ion originally present in the mineral structure (Breen et al., 1997). Potassium concentrations were stabilized |  | | Journal (article/letter/editorial) | | JP (Jelsovy Potok, Slovakia) and SWy-1 (Wyoming, USA) montmorillonites were treated in 6 m HC1 at 95°C...significantly affects their sorption properties (Breen et al., 1987; B reen, 1988, 1991a,b; Jovanovič &...non-smectitic portions of atom s, e.g. Fe bound in goethite, are not included in the form ula (Kom adel eta...X P E R IM E N T A L Materials The SWy-1 (Crook County, W yoming, obtained from the Source Clay Repository |  | | Journal (issue) | | Pottstown, Pennsylvania Donald R. Peacor Univ. of Michigan Abraham Rosenzweig Tampa, Florida Richard W...in 1978 by Donald Elliott at the Diamond Willow mine near Thunder Bay, Ontario. Photo by Harold and Erica...Rubellite Tourmaline on Albite from the Itatiaia mine, Minas Gerais, Brazil. The Rubellite crystal measures...Raven Hills Court, Colorado Springs, Colorado 80919 USA; tel: (303) 598-1233 66 The Mineralogical Record...began with the opening of the Thun der Bay amethyst mine in 1967, and in 1975 amethyst was declared by the |  | | Catalog/List | | inclusions and a 1'½x1-z;: velvety, botryoidal 11 Goethite overe;rowth.4x2ix2 ,.Z12 00, 5. ANDRADITE. Belstone...bric;ht and colourful on,plcasingly,luycred Limonitic Mine ,Attica,Grcece. cryst.q,J J :i nP. 1nnRR. Colourful...nrf"e, bright ra.hi nc,t o 19. BARYTES. Hilton Mine,Wcstmorland. blad ed xtls. 3·2x2{x1-il-",~8, 00...2-¼x1¾1¾11 ,~9.oo. 21. BARYTES. Wilsons Level,Hilton Mine,Appleby,Cumbria. dorne-shaped Epimorph (originally...dagger-shaped 22. BAYLDONITE.Penberthy Crofts Mine, St .Hilary, W.Corm,all. green lustrous crystalline |  | | Journal (article/letter/editorial) | | 2005 Copyright © 2005 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/05 $30.00 ⫹ .00 doi:10...dissolution under acidic conditions are reported also by Breen et al. (1995) and Kalinowski and Schweda (1996)...(present study); (3) detected by IR spectroscopy (Breen et al., 1997); (4) detected by XRD (van Olphen and...(6) Ames et al. (1983); (7) Ca-saturated sample, Breen et al. (1995); (8) Koster van Gros and Guggenheim...detected in SAz-1 by means of IR spectroscopy (Breen et al., 1997; Madejova and Komadel, 2001), the results |  | | Catalog/List | | 4~x3x1-~ ", £14 . 00 3 . ANDORITE. Castro Virreyna Mine , ti ma Prov ., Peru . Small bright s ilvery s harp...1-tx1t", £4 . 00 12 . BARYTES . Mt . We lli ngt on Mine , Twelveheads , Cornwal l. Specimen A: Bri ght-...21;x 2x1.z " , £2 . 75p 18 . BoURNoNITE . Julcani Mine , Junin Prov . , Peru . Specimen A: Bright Silvery-...3-}x >}x 2 " , £1B . 50p 21 . CALCITE . Al lenheads Mine , Allenheads , Northumberland . Sha rp creamy nail...3x2*x2t" , £15 . 50p 27 . CERUSSITE . Brandybottle Mine , Swaledale , Yorkshire . Lustrous creamy twinned |  | | Catalog/List | | crystal. 15x10 1III1, £5. 00 9. AZJiUTE . Ting Tang Mine, GHennap , Corn>fflll. Small s h8.l'p bright blue...i!xHx 1", £6 . 00 11 . BARYTES . Set tlingston2s Mine, Fnurst ones , Northumber l and . Choice lustrnus...calcite 3!x2~". £7 . 00 CHALCOPYRITE treece. Knnsas USA Bri;;ht g" lden twinned cryst'31s t "l 8 mm in size...c"ppcr . 2x1l;x1 " , £6 . 00 CHLOANTIIITE. Ta lnotry Mine , Minnigaff. Kirkcudbrightshire. $cc,tland . Sil...Specimen A: Slightly dendritic sheet C'lat ed with breen br'lchp.ntite covering quartz and chl ",rite veins |  | | Catalog/List | | crystal. 15x10 1III1, £5. 00 9. AZJiUTE . Ting Tang Mine, GHennap , Corn>fflll. Small s h8.l'p bright blue...i!xHx 1", £6 . 00 11 . BARYTES . Set tlingston2s Mine, Fnurst ones , Northumber l and . Choice lustrnus...calcite 3!x2~". £7 . 00 CHALCOPYRITE treece. Knnsas USA Bri;;ht g" lden twinned cryst'31s t "l 8 mm in size...c"ppcr . 2x1l;x1 " , £6 . 00 CHLOANTIIITE. Ta lnotry Mine , Minnigaff. Kirkcudbrightshire. $cc,tland . Sil...Specimen A: Slightly dendritic sheet C'lat ed with breen br'lchp.ntite covering quartz and chl ",rite veins |  | | Journal (article/letter/editorial) | | Fayetteville, AR 72701, USA b Planetary Science Institute, Tucson, AZ, USA Received 11 September 2009;... Center (AWRC) Water Quality Lab, Fayetteville, USA, using a SPECTRO GENSIS Inductively Coupled PlasmaOptical...in hydration and metal content of the mineral (Breen et al., 1995). These changes are reflected in the...(oxidation potential) = 13.05 (both fixed). Hematite and goethite were suppressed because they do not form directly...mbar and pe = 13.05 (both fixed). Hematite and goethite suppressed as described in Fig. 7 caption. form |  | | Journal (article/letter/editorial) | | California, Los Angeles, California 90095–1567, USA 2 Institute of Geophysics and Planetary Physics,...California, Los Angeles, California 90095–1567, USA * Corresponding author. E-mail: aerubin@ucla.edu...meteorites are typically enriched in limonite, goethite, and other Fe–Ni oxides and hydroxides (e.g....limonite is goethite (FeO[OH]) and that it formed from weathered kamacite. The molar volume of goethite is 2...of Al Haggounia 001. I am pleased to thank J. P. Breen for obtaining some BSE images on the UCLA SEM. I |  | | Journal (article/letter/editorial) | | titration with HSO4 acid to ~4.5 pH SC (bromcresol breen-methyl red endpoint). At some locations, Eh readings...XRD, which indicated a mixture lepidocrocite and goethite. This verifies the results of Braterman et al...the precipitation of -FeOOH (lepidocrocite). Goethite, as well as lepidocrocite, can form from oxidation...indices 1.8 4.7), and other Fe(III) phases such as goethite and lepidocrocite. This may be due to the presence...et al. (2013) found that humic acid inhibited goethite precipitation possibly by adsorption onto and |  | | Book | | thanks R.E. Ferrell (Louisiana State University, USA) for his critical reading, discussion, and numerous...Diego State University, San Diego, CA 92182-1020, USA D.L. BISH Department of Geological Science, Indiana...Indiana University, Bloomington, IN 47405-1405, USA A. BRACK Centre de Biophysique Moléculaire, CNRS, F-45071...Argonne National Laboratory, Argonne, IL60439-4837, USA M.I. CARRETERO Departamento de Cristalografı´a, Mineralogı´a...Purdue University, West Lafayette, IN 47907-1150, USA P. KOMADEL Institute of Inorganic Chemistry, Slovak |  | | Journal (article/letter/editorial) | | edge surfaces. 164 Arizona-type montmorillonite (Breen et al., 1995) which bears only octahedral charges...and surface pKa’s have been 578 obtained for goethite, gibbsite, and quartz in previous FPMD studies...organic matter in the ocean. Science, eaax5345. Breen, C., Madejová, J. and Komadel, P. (1995) Characterisation...C. (2012) Predicting the acidity constant of a goethite hydroxyl group from first principles. J. Phys...Vibrational Spectra of Phosphate Adsorbed onto Goethite. Langmuir 28, 14573-14587. Kubicki, J.D., Paul |
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