 | | Book | | Twyfelfontein 7 AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree ...station Garub near Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 ....Northwest Region including Damaraland The Central Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits |  | | Journal (issue) | | Jan/Feb 2024 Vol.99, No.1 ROCKS MINE ."Iii[! iil"J www.tandfonline.com/vram Pegmatite Minerals & Gems ...Taylor & Francis Group, LLC. All rights reserved. No part of this publication may be reproduced, stored...than private research use. The publisher assumes no responsibility for any statements of fact or opinion...$12.9.5. JANUARY/FEBRUARY 2024 Volume Number 99 1 CKS INE 8 Introduction to TUCSON 2024: Celebrating...Cook 10 Southern California Pegmatite Gems Mark Mauthner 16 The Pegmatite Interest Group (PIG) Is Hog |  | | Journal (article/letter/editorial) | | This review indicates two composition fields, the 1 Journal Pre-proof first is that of hydrothermal...secondary hydrothermal and lP vapor-phase topaz. 1. Introduction na Keywords: topaz-bearing rocks;...F-rich topaz is typically confined to (see Table 1): i) highly evolved felsic igneous rocks enriched...by rhyolites ro and granites, and greisen-, pegmatite-, quartz-type veins; and iii) cavities formed...al., 2018; Fig. 1E). 6 Journal Pre-proof Fig. 1. Annotated photomicrographs illustrating grain shapes |  | | Report (issue) | | extraLapis English No. 3: Tourmaline Publisher Lapis International, LLC; East Hampton, CT Concept &...Licensed edition in the English language of extraLapis No. 6 Turmalin with permission of Christian Weise Verlag...Weise Verlag, Munich, Germany ISBN 3- 921656- 31 - 1 Acknowledgements The extraLapis English project...Brazil by Eberhard Equit, 1993 extraLapis English No. 3 Tourmaline A Gemstone Spectrum Contributions by...Maximilian Glas • Pegmatites - An Overview .............70 William B. Simmons • From Paris in America to Amerika |  | | Journal (article/letter/editorial) | | as the 164 R O C K S AND M I N E R A L S Figure 1: Hematite incrustation pseudomorph after barite; 3...Howard Freeland specimen and photo. Rutherford pegmatite in Amelia County and the Lynch Station locality...and Lightner mines, Lott prospect, Berry and Yago farm prospects)—near Spottswood boehmite, diaspore, gibbsite...manganese minerals) Amelia County Bath County Beryl pegmatite mine (0—near Amelia beryl, muscovite (rum colored)...and Jefferson pegmatite mines—near Amelia cleavelandite, columbite-tantalite, orthoclase, perthite, pyrochlore |  | | Journal (article/letter/editorial) | | Houston, Texas 77036 artsmithite@msn.com Figure 1. The entrance and arch of the Palermo mine, North...partially blanketed by glacial deposits and outwash that no doubt cover other potential localities and prevent...before the turn of the twentieth century, but pegmatite prospecting and mining were revived during World...Belmont area: fluorapatite (blue-green), and orthoclase (road cut, village bypass), epidote, garnet,...occurrences of the town in which they are located. No specific references are given for them, but most |  | | Journal (article/letter/editorial) | | coupling various acidic groups to silicon wafers. We had no expectation of creating a geometric lattice of functional...pressures, temperatures, and durations range from 1-5 kilobars, 400-700°C, and one to three weeks, respectively...synthetic fluid inclusions can be used to study: (1) fluid phase equilibria at high temperature and pressure...PRODUCTS OF STlBlOTANTALlTE FROM THE BROWN DERBY NO. 1 PEGMATITE, GUNNlSON COUNTY, COLORADO. R. A. Elder; W...subhedral to euhedral crystals in the Brown Derby No. 1 pegmatite, Gunnison County, Colorado. The crystals are |  | | Thesis/Dissertation | | regular NYF-type pegmatites from the Namaqualand pegmatite belt, Northern Cape, South Africa by Minenhle...Often I would complain to you and even when you had no idea of what I am talking about, especially with...checked up on me from time to time, my gratitude knows no bounds. Thank you! Lastly, I would like to thank...40-50 km wide Namaqualand pegmatite belt, synonymous with the Orange River pegmatite belt (ORPB), consists...Metamorphic Province (NNMP) in Southern Africa at ca. 1 Ga. The central part of the belt is characterised |  | Liu, Chen, Wang, Ru-Cheng, Wu, Fu-Yuan, Xie, Lei, Liu, Xiao-Chi, Li, Xing-Kui, Yang, Lei, Li, Xue-Jiao (2020) Spodumene pegmatites from the Pusila pluton in the higher Himalaya, South Tibet: Lithium mineralization in a highly fractionated leucogranite batholith. Lithos, 358. 105421 doi:10.1016/j.lithos.2020.105421 | Journal (article/letter/editorial) | | Xing-Kui Li1 , oo f Lei Yang2 , Xue-Jiao Li1 pr 1: State Key Laboratory for Mineral Deposits Research...granite, albite granite, and pegmatites. Numerous pegmatite dikes have intruded the Higher Himalayan crystalline...highly fractionated pegmatites. The Chomogu No. 1 pegmatite is a well- zoned dike that hosts beryl, columbite...Li Jo u mineralization. Primary spodumene (Spd-1) crystallized in the magmatic stage, whereas secondary...in the Himalayan leucogranite belt. Keywords : Pegmatite, Li mineralization, spodumene, columbite–cassiterite |  | | Book (edition) | | Arizona; (lower right, center) mimetite, Tsiimehb, Namibia; (lower, right) gold, Amazonas, Brazi!. All specimens...Number 89-5633 ISBN 0-442-27681-8 All rights reserved. No part of this work covered by the copyright hereon...Wendell E. Wilson.—2nd ed. p. cm. ISBN 0-442-27681-8 1. Mineralogy—Dictionaries. II. Rapp, George Robert...pie 21 levy te (> Fam 7 : ay — ‘ff ai rile 1) -l see eke4 | ase re KO 4! dat wi 6 eae Mt:...from the resources of no fewer than 81 public and private mineral collections. No photos have been repeated | | | Book (edition) | | Arizona; (lower right, center) mimetite, Tsurneb, Namibia, (lower, right) gold, Amazonas, Brazil All specimens...Van Nostrand Reinhold Book -- . DATE DUE f,J+B 1 3 2Ul$J . . ~-•n ~ NUV V ',- /..VI,;, • I J...89-5633 ISBN 0-442- 27681 - 8 All rights reserved. No part of this work covered by the copyright hereon...Birchmount Road Scarborough, Ontario MIK 5G4, Canada 4I-1'-lq 16 15 14 13 ~- ?-S- q I 12 11 10 9 ....Wendell E. Wilson.-2nd ed. p. cm. ISBN 0-442- 27681-8 1. Mineralogy-Dictionaries. l. Campbell, Thomas J. III |  | | Journal (article/letter/editorial) | | chemical evolution of a rare-element granite-pegmatite system: Harney Peak Granite, Black Hills, South...well-exposedgranite complex surrounded by a rare-element pegmatite field (barren to Nb-, Ta-, Be, L&niched pegmatites)...Observations and trace element modeling suggest that: (1) within individual units volatile transfer mechanisms...and the surrounding, compositionally complex pegmatite field has long been a point of uncertainty among...units of the granite system have been attributed to: (1) magmatic di~~ntiation of a volatile enriched granitic |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Includes indexes. ISBN 0-471-19310-0 (alk. paper) 1. Mineralogy. I. Dana, Edward Salisbury, 1849-1935...XV XVill XXXVI Native Elements and Alloys Class 1 Native Elements and Alloys il Sulfides and Related...Noncyclic Groups, N>1 Class Class Class Class 55 56 57 58 SieO7 Groups, Generally with No Additional Anions:...65 66 67 68 69 Single-Width Unbranched Chains, Wi=1 Double-Width Unbranched Chains, W = 2 Unbranched Chains...Loops 1288 1335 1376 1379 1381 viii : Class 70 Column or Tube Structures Contents 1397 Phyllosilicates |  | | Journal (article/letter/editorial) | | 441 M2 443 446 Assrnacr The Eight Mile Park pegmatite district, three to twelve miles west of Canon...Harvard Department of Mineralogy and Petrography, No. 299. t An abridged form of a thesis submitted to...Springs biotite schists by granite, aplite, and pegmatite. The pre-Cambrian structural elements trend uniformly...uniformly northeast-southwest' They include (1) the trend of the Idaho Springs schist belt and its contacts...aplite sills in granite, (5) the attitudes of pegmatite sills in schist, and (6) the trend of the axis |  | | Report (edition) | | Kimberley Diamond Company) Contents Abstract 1 Chapter 1 Introduction 3 Object and scope ................................................ 16 Section 1 Diamond Chapter 5 Diamond 19 Diamond — gemstone................................... 32 Marble Bar region ........................................................................................ 36 Cue region ..................................................................................... 36 Yalgoo region .............................................. |  | | Report (edition) | | FRONTISPIECE Tiger iron from the Ord Ranges, Pilbara region, displaying folded bands of dark brown hematite...eye jasper from the Mount Brockman area, Pilbara region. The sphere, approximately 35 cm in diameter, contains...(courtesy David Vaughan) Contents Abstract 1 Chapter 1 Introduction to gemstones in Western Australia....................................... 10 Section 1 Diamond Chapter 2 Diamond 13 Diamond properties.......................................... 34 Cue region............................................... |  | | Journal (article/letter/editorial) | | PEGMATITE MINERALS OF THE UNITED STATES DAVID M. SEAMAN American Museum of Natural History, New York...found in all types of pegmatite from the common granite type to the lithium pegmatite. Many localities have...diameter have been noted in the School Section pegmatite of Fremont county, Colorado. ROCKS AND MINERALS...gneisses, monzonites, and quartzite. It is rare in pegmatite as at shaft 18 near Valhalla, New York; at 119th...silicate, has been found as a rare mineral 13 in pegmatite at the Wet Weather quarry, Crestmore, Riverside |  | | Report (issue) | | "Virginia Mineral Localities" series of bulletins v 1 Introduction This eighth publication in the Virginia...main, locality description section is preceded by: (1) the updated “check list” just alluded to, (2) a county-by-county...references to the original report(s). Entries with no references are, for the most part, for localities...“collector’s items.” In addition, there is, of course, no claim that this list is comprehensive from the standpoint... R. V. Dietrich Mt. Pleasant, Michigan September 1, 1969 3 Check List of Virginia Minerals The following |  | | Journal (article/letter/editorial) | | Hills, South Dakota: Implications concerning pegmatite evolution C. K. SHEARER and J, J. PAPIKE Institute...relationships among pegmatites and among pegmatite zones within a single pegmatite. The K/Rb and Rb/Sr ratios and...Cs contents of the feldspars within each zoned pegmatite, to a first approximation, arc consistent with...potassium I%tspar appear to be diagnostic of the pegmatite mineral assemblage. The relationship between K/Rb...for the utilization of pegmatite minerals as geochemical recordem of pegmatite petro8enesi.s. ~uanti~tive |  | | Report (issue) | | Tusionite c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: aggregates. Hexagonal. Point Group:...= 1.757(2) Cell Data: Space Group: R3. a = 4.781(1) c = 15.381(7) Z=3 X-ray Powder Pattern: Along...B2 O3 WO3 SnO2 ZrO2 Sc2 O3 FeO MnO MgO CaO H2 O (1) 23.51 52.45 3.57 20.46 0.39 0.00 (2) [23.72] 0...23.90 51.74 24.36 Total [100.38] 98.69 100.00 (1) Along the upper Tusion River, Tadjikistan; by electron...01 Sn1.02 (B0.98 O3 )2 . (2) Belo Horizonte No. 1 pegmatite, California, USA; by electron microprobe, total |  | | Journal (article/letter/editorial) | | 5 ( 1 9 9 0 ) Pages Issues 1-104 105-192 193-280 281-392 393-488 489-568 Jan./Feb. (No. 1) Mar./Apr.../Apr. (No. 2) May/June (No. 3) July/Aug. (No. 4) Sept./Oct. (No. 5) Nov./Dec. (No. 6) Cover Photographs...s h o w in 1 9 9 1 . Banquet: Saturday Night, October 19, 1991 October 1 1 - 1 3 , 1 9 9 1 Banquet Speaker:...6214; Rome, Georgia 30162-62114; (404) 291-4618 1 19th A N N U A L N E W JERSEY S H O W " D I N...APRIL 27 & 28, 1991 Adults: $ 4 , 0 0 Children: $ 1 . 0 0 WILLIAM PATERSON C O L L E G E R E C CENTER |  | | Journal (article/letter/editorial) | | [University of Arizona] at 15:44 09 December 2012 Flgun 1. View from the summit of Pika Peak looking northwest...book with 11 x 8.5-inch pages. Each page represents 1 million years. With half-inch margins, the sentence...[University of Arizona] at 15:44 09 December 2012 1 apparently represent the rcmnants of t w o distinct...billion years ago. Evidence intlicutcs that until about 1 .X-l.75 billion years ilgo, the continentiil niargiii...differentiation of magma and orogenic uplift of the region (Hills and Houston 1979; Reed, Bickford, and Tweto |  | | Book (edition) | | ‘MUSEUM OF THE GEOLOGICAL SURVEY, PRETORIA. b) VANAF 1/4/1980 4% AVE _Ro.08 4% GBI "R208 — AS, FROM. papi...621 03464 9 Ook verkrygbaar in Afrikaans i 40509-1 Street, DEPARTMENT OF MINES Secretary W. P...differently and increased in size to a scale of 1: 1 500 000; for clarity rivers and roads have been...chapter controversial several new chapters, one on Pegmatite Deposits has been introduced to avoid repeating...metric ton; the word “tonne” has no official standing in South Africa. No fewer than 47 persons and 9 organisations |  | | Journal (article/letter/editorial) | | GeologicalSurvey; + Contribution from the Department Michigan, No. 169. of Mineralogy and Petrography, University...154), "There is an abundanceof coarsegranite pegmatite bouldersin the immediate neighborhood of the quarry...unusually large scale . . . is due to the action of pegmatite intrusions upon the materials of the gneisslimestone...contact zone." Specimensof rose mica-bearing pegmatite from Bolton show the following megascopiczonal...Coarse-grained cleavelandite-smoky quartz-muscovite pegmatite, with mica books as large as two inches across |  | | Report (volume) | | FIGURE 39. Index map of Chile, showing quicksilver region.____________ 362 40. Geologic map of the main level...72°___________________ 70°___________________68° r i .28° 28° MAX ^ 'ARGENTINA 30' 30° 72° 68" 70' 50 200...FiQtiRB 39. Index map of Chile, showing quicksilver region. In the southern 150 kilometers the following...Azogues mine north of Illapel, were not examined. The region between the northern and southern groups seems...climate is no hindrance to mining at any time of the year. Eock exposures at most places are good. No complete |
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