 | | Book (edition) | | Geoscience 3 THE ORE MINERALS UNDER THE MICROSCOPE An Optical Guide Second Edition Atlases in Geoscience...Geoscience 3 THE ORE MINERALS UNDER THE MICROSCOPE An Optical Guide Second Edition Bernhard Pracejus Sultan...Boulevard, Langford Lane, Kidlington, Oxford OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright...at Sultan Qaboos University, Sultanate of Oman; I am indebted for this opportunity and for the assistance...of different ore minerals included in the atlas, I am very much obliged to a number of colleagues, who |  | | Journal (article/letter/editorial) | | Czech Geological Survey, Klárov 3, 118 21 Prague 1, Czech Republic; stanislav.vrana@geology.cz Manganese-rich...contains 24–34 mol. % pyrophanite and 1.7–5.8 hematite. Some closely associated impure calcite marbles...small thickness of their layers, typically less than 1 m. Structural relations in regions carrying Mn-rich...Received: 27 June 2011; accepted: 1 December 2011; handling editor: E Jelínek 1. Introduction Numerous volcanosedimentary...garnet-rich rocks with a high content of spessartine are an occasional member of lithological assemblage and |  | | Journal (article/letter/editorial) | | Agardite-(Ce) CeCu6(AsO4)3(OH)6•3H2O H EXAGONAL Locality: The Clara mine, central Black Forest, Germany...Mineralien der Chloritil-Mixitegruppe mit Seltenen Erden von Fundorten im Schwarzwald. Chemie der Erde 29...WALENTA, K. & THEYE, T. (2004): Agardit-(Ce) von der Grube Clara im mittleren Schwarzwald. Aufschluss...Alumino-magnesiohulsite Mg2(Al,Mg,Sn)O2(BO3) M ONOCLINIC Locality: Along the Tas–Khayakhtakh Ridge, Chersky Mountain...of Sakha–Yakutia, Russian Federation. The exact locality is near the mouth of the Kebirinỳa Creek, a northern |  | | Catalog/List | | Gems. STUDENTS ORDER COLLECTIONS. SPECIMENS 1 1/2 x FOR of the Board of Hall 2 INCHES IN Education...obtained, more Note. - Galena offer large the an "iron cap” small often crystals it was Diorite...TASMANIA. Crocoisite is chromate or at of locality 50c, 75c, $1.00. this and excan A few ENDLICHITE...considerably sists of larger few 1 reddish clustered in or 1/2x 2 to Small shelf of lead have...sharp, transparent stock, including with notches an side. the get a (see figure,) both have which |  | | Journal (issue) | | V- -v* * j '\w : ■**w*? x ' i u " ’% - s <35fc 1 " '. ■ % -• t >*> V * '* ->** J T Y ^ X J n m...A V Laguna Beach, Cal. 92651 l \ k f i C O I / \ 1 1 I i Open Mon.-Sat. 10-5 . photo by Harold and Erica...address: P.O. Box 1621, Laguna Beach, CA 9 2 6 5 2 . (7 1 4 ) The Mineralogical Record inc. is a non-profit...mineral localities: Knappenwand, Untersulzbachtal, Austria .................................................EPIDOTE from Knappenwand, Untersulz bachtal, Austria. (See the article in this issue, p. 167.) The specimen |  | | Journal (article/letter/editorial) | | Me., sends in this bit of information: "Here is an account of a fine occurrence of turquoise which due...gasoline restrictions I was never able to visit. "An engineer with the U. S. Bureau of Mines.gave me a...and comes from Last Chance Canyon, Kern Co., Calif. An article by Mr. Henley describing the occurrences... lamprobolite), olivine, magnetite, ilmenite, hematite, feldspars (microcline, orthoc'ase, albite, oligoclase...Can anyone supply information on the occurrence? District oí Columbia—On a recent visit to Washington, the |  | | Journal (article/letter/editorial) | | preparing a variation diagram were not fulfilled: (1) reliable chemical analysis on samples plus-99 per...analysesand for determination of specificgravity with an Adams-Johnston fused silica pycnometer. The other...of refraction were determined in sodium light and an Abb6 refractometer was used to check the index liquids...isomorphous series are listed in Table 1, with general information on locality, habit and occurrence, and mineral...druses in quaftz veins near Werfen, Salzburg, Austria, and Shepard (1859) figured crystals recoveredfrom |  | | Book (volume) | | carbonate spars free from cobaltiferous ores, especially an 8-meter (25-ft.) vein at the diorite contact, worked...mica. The iron deposits of Dobschau still yield an annual production of about 35,000 tons, but the cobalt...Liebenstein. at near Schweina, years, especially 1 According to Fr. Beyschlag the veins are fault fissures...' This Kupferschiefer is cases. lean in this district, carrying only 1.4% of copper, and no silver,...fissures known as 'rucken' in the Mansfeld copper district also contain occasional nickelite, together with |  | | Journal (issue) | | RECORD JANUARY-FEBRUARY 1995 • VOLUME 26 NUMBER 1 • $10 Wayne & Dona Leicht, 875 North Pacific Coast...to 4 cm, on matrix, from Ghundao Hill, Mardan district, Pakistan. F. John Barlow collection; photo by...each species, to facilitate comparisons. This is an essential, basic reference for all collectors, dealers...edition is still reasonably priced, at $18 plus $1 postage ($2 foreign). We had originally planned to...Consequently, we now plan to publish the type locality list, perhaps with a geographic cross index, |  | | Journal (article/letter/editorial) | | of Leoben, Peter-Tunner-Str. 25, 8700 Leoben, Austria b Institute of Geology and Paleontology, University...University of Innsbruck, Innrain 52, 6020 Innsbruck, Austria Received 25 October 2004; received in revised form...Northern Calcareous Alps and the Central Alps of Austria. All new data are overprint magnetizations and...of the Western Alps were already accreted to the upper plate and therefore included in counter-clockwise...Alps; Adriatic microplate; Shortening; Cenozoic 1. Introduction The architecture of orogens is mostly |  | | Report (volume) | | specimen of fine-grained maroon magnesite containing hematite veined and partly replaced by white magnesite__...Polished specimen of maroon magnesite containing hematite veined by white magnesite_____________________________...___________ 112 113 114 127 TABLES Page TABLE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Comparative...part of the iron oxide occurs as disseminated hematite which colors the magnesite red; these deposits...deposits also contain segregations of specular hematite which locally provide a somewhat higher content of iron |  | Marks, Michael A.W., Marschall, Horst R., Schühle, Philipp, Guth, Anna, Wenzel, Thomas, Jacob, Dorrit E., Barth, Matthias, Markl, Gregor (2013) Trace element systematics of tourmaline in pegmatitic and hydrothermal systems from the Variscan Schwarzwald (Germany): The importance of major element composition, sector zoning, and fluid or melt composition. Chemical Geology, 344. 73-90 doi:10.1016/j.chemgeo.2013.02.025 | Journal (article/letter/editorial) | | elements Oxygen isotopes Schwarzwald a b s t r a c t An extensive data set on the compositional variation...systems. © 2013 Elsevier B.V. All rights reserved. 1. Introduction In igneous systems, tourmaline is common...2. Geological setting and sample material Table 1 Tourmaline occurrences in the Scharzwald area, Southwest...are shown in Fig. 1. The Schwarzwald (= Black Forest) in southwestern Germany (Fig. 1) is part of the...east, while to the west they are bounded by the Upper Rhine graben fault. The metamorphic rocks of the |  | | Journal (article/letter/editorial) | | Karl-Franzens Universität, Universitätsplatz 2, 8010 Graz, Austria School of Earth and Environmental Sciences, Portsmouth...kbar in the middle locality and about 640–675 °C and 8 kbar in the easternmost locality. These results are...prior to subduction, the Pb anomaly as a result of an intra-oceanic island arc signature and the Sr anomaly...rocks in the metabasite belt is likely derived from an intra-oceanic island arc which accreted to the Alaskan...margin. © 2011 Elsevier B.V. All rights reserved. 1. Introduction Since the Phanerozoic, the thermal regime |  | | Journal (issue) | | they should be criticized for it. If they produce an inferior exhibit, they should be called to account...collections as well. Today, mineral collectors are an active lot. They have more and better means of communication...Sunday Easter EggHunt A (both located where 1-25 meets 1-70) . ^^ April 21-23,2000 Hours: Fri. &...and publication programs, and managing volunteers. An MS or higher degree in geology and at least three...Director, The Cleveland Museum of Natural History, 1 Wade Oval Drive, University Circle, Cleve land, Ohio |  | Rondeau, Benjamin, Devouard, Bertrand, Jacob, Damien, Roussel, Pascal, Stephant, Nicolas, Boulet, Constance, Mollé, Valentin, Corre, Marianna, Fritsch, Emmanuel, Ferraris, Cristiano, Parodi, Gian Carlo (2019) Lasnierite, (Ca,Sr)(Mg,Fe)2Al(PO4)3, a new phosphate accompanying lazulite from Mt. Ibity, Madagascar: an example of structural characterization from dynamical refinement of precession electron diffraction data on submicrometre sample. European Journal of Mineralogy, 31 (2) 379-388 doi:10.1127/ejm/2019/0031-2817 | Journal (article/letter/editorial) | | accompanying lazulite from Mt. Ibity, Madagascar: an example of structural characterization from dynamical...FRITSCH5, Cristiano FERRARIS6 and Gian Carlo PARODI6 1 Laboratoire de Planétologie et Géodynamique, CNRS...cm1 (most intense bands are italicised). Raman spectra also show the absence of H2O and CO2. 1. Introduction...Soavina, Ambatofinandrahana district, and 10 km SW of Manandona, Antsirabé 2 District, Vakinankaratra Region...Region, Antananarivo Province, Madagascar (Fig. 1). The quartzite deposit is located on the border between |  | | Journal (issue) | | +44(0)1935 862673 Crystal Classics Fine Minerals Ltd. No. 1, The Old Coach Yard, East Coker, Somerset, England...184-page index allows entries about any mineral or locality to be instantly located. INTRODUCTION What are...they have reached the market. These reports form an unprecedented database for today’s collectors. Now...for aspiring connoisseurs, and this compilation is an invaluable resource of critical knowledge. HISTORY...researchers have just three possible sources of specimens: (1) older, pre-existing collections, (2) field collecting |  | | Report (issue) | | extralapis No. 13: Topas Das prachtvolle Mineral, der lebhafte Edelstein with the permission of Christian...2.52 carats) from Katlang, Pakistan, adorn the upper wings, with a matched pair of pink Russian topazes...forms desirable collector specimens. The mineral is an aluminum fluorosilicate with the composition Al2SiOiF...known; the largest are from the Espirito Santo locality in Brazil (Sinkankas, 1981). Two gemmy crystals...hydroxyl that form a mixed, close-packed array with an ABCB stacking sequence (graphic page 6). In topaz |  | | Journal (issue) | | Mine, Gwynedd, Wales Neil Hubbard and David I. Green An update of the supergene mineralogy of Hilton mine...Bameycraig mine system, Nenthead, Cumbria, England - an update Trevor F. Bridges and Helen Wilkinson A tin-lead...post and email throughout 2004 and early 2005, and I am very grateful to the authors for their contributions...the issue, Trevor Bridges and David Green provide an update on the supergene mineralogy of Hilton mine...gearksutitei the first occurrence had been reported in part 1 of this volume. Trevor and David are coauthors of |  | | Journal (article/letter/editorial) | | sporadic appearance of xenolithic inclusions of hematite in some keratophyres of the Lahn area. As a result...differentiation process in that early period. Im AnschluB an einen kurzen (3berblick tiber die geologischen Verh~iltnisse...Eisenerzlagerstiitten im Devon der Lahnmulde wird die Variation des Eisens in den Eruptivgesteinen an der Lahn und in anderen...untersucht. Besonders aufschlul3reich ist in einer Anzahl der Lahn-Keratophyre das sporadische Auftreten xenolitischer...voneinander ab. Vornehmlich berticksichtigt sind die der Frtihperiode zugeh6rigen Hinweise und Vorgiinge, |  | | Journal (issue) | | Pretoria Belgium: Paul Van Hee Deuzeldlaan 16-bus 1 B-2120 Schoten England: Roger S. Harker 2 Wellsic...numerous other tasks necessary to carry off such an event. Presented here is a listing of everyone (I...remain anonymous. Because the Mineralogical Record is an official non-profit organization, all such donations...Sussman (Evanston, IL) Joseph Taggart (Socorro, NM) Upper Canada Minerals, Patrick and Barbara Collins (Ottawa...information is accumulating which should make Pete’s book an immediate classic. Naturally the minerals of these |  | | Journal (article/letter/editorial) | | ‘‘pyrope quartzite’’ has a metasomatic origin, whereas an evaporitic nature of the protolith can be ruled out...quartzite’’, now forming lensoid inclusions within an orthogneiss (former granite), would also make a metasedimentary...metamorphic overprints during the Alpine orogeny. An early lithological subdivision was proposed by Vialon...who first defined the ‘‘coesite-bearing unit’’ (Fig. 1) and its relationships to neighboring, lower-grade...degrees of Alpine deformation and metamorphism (Fig. 1). Most interestingly, this granite and its contact |  | | Catalog/List | | basal face. The ·vanadinite specimens from this locality are world famous for their striking red color...Ojuela. White-to-pale yellow sheave-like crystal FI. 1. 00 groups on limonite ................ Mexico Durango...beautiful speci men minerals for collectors. Lot 1 0 - 1" lxl" lx2" 2x 2" 2 x 3" 3x4" .75 . 10 ...50 1.00 2.5 0 1.25 .25 1. 0 0 2. 50 5.0 0 8.50 1.00 . 15 . 35 1. 00 2.50 3.50 5.00 1.00...the most abundant member of the am phiboles, is an important constituent of igneous & metamorphic rocks |  | | Journal (issue) | | MINERALOGICAL RECORD JANUARY–FEBRUARY 2006 VOLUME 37 NUMBER 1 $15 Wayne & Dona Leicht, 875 North Pacific Coast...lived in the area all his life. He left school at an early age and started work on the family farm, but...something had irked him he’d pay me a visit just to start an argument and let off some steam. I gradually lost...California and eventually served as its President. He was an enthusiastic field collector and a gregarious and...quarry ranks as the second most prolific type locality in Canada after Mont Saint-Hilaire. It has yielded |  | | Journal (issue) | | Thirty, Number Two Articles A bstracts o f the 20th an n u al F M -T G M S-M SA M in era lo g ica l S ym.......... 87 by T. Moore T he S ilv e r m in es district, C o u n ty Tipperary, I r e l a n d ........................ 150 by J. Scovil P om on a S h o w 1 9 9 8 ......................................................... 151 by J. Scovil P h o en ix S h o w 1 9 9 8 ..............................................what a great record it will become over time! I am pleased to announce that the eighth edition of the |  | | Book | | edition by a team organized by Prof. Dr. C H R . AM S T U T Z (with additions and corrections by the...Square, London W. 1 Pergamon Press (Scotland) Ltd., 2 & 3 Teviot Place, Edinburgh 1 Pergamon Press Inc...Pergamon of Canada Ltd., 207 Queen's Quay West, Toronto 1 Pergamon Press (Aust.) Pty. Ltd., 19 a Boundary Street...Ecoles, Paris 5 e . Vieweg & Sohn GmbH, Burgplatz 1, Braunschweig Copyright © 1969 AKADEMIE-VERLAG GmbH...completing it more rapidly t h a n I can now; since I am more burdened by work of all kinds t h a n ever before |
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Locality 1, Rosenau am Hengstpaß, Kirchdorf an der Krems District, Upper Austria, Austria