 | | Journal (article/letter/editorial) | | OPAL MINING MEANS BOOM TO LITTLE TOIWN (The Chicago Tribune) Dec. 20, 1969 MAGDALENA, Mexico, Dec. 19...Queretaro, for years considered the opal capital of Mexico. Opal production in this country now is at...IOvrnile mountain road leading to La Unica, the largest opal mine in the area, but a jeep with a driver...There is very little tunnel mining of opals done in Mexico today, because modern excavation machinery makes...which gems may be embedded. Hit or Miss Venture Opal mining can be a hit or miss business, and many days |  | | Book | | K FIELD GUIDE to the GEMS and MINERALS of MEXICO (Exclusive of Baja California) A guide to the...Information............ Driving in Mexico................... Trailcring in Mexico ............. 5 6 6 7 8 8........ A Word to the Wise ............. Jade in Mexico......................... Manto and Chimney Deposits...Eulalia District....... El Potosi Mine............. San Antonio Mine....... Cusihuiriachic District................................. Minerals of Ojuela Mine .... . Velardena District...................... |  | | Book | | "'<' ~/ BOUNDARIES U A Mo<'Ā« u~ o V :Ā¾ MEXICO r - Ā·ā¢-.. Ā·-Ā·Ā·-Ā·Ā·-Ā·Ā·-Ā·Ā· < ā¢ā¢ ....... V S TATES...org/details/mineralsofmexico0000panc MINERALS OF MEXICO ā¢ ERALS OF ~XICO M ______ William D. Panczner...1938Minerals of Mexico. Bibliography: p. 1. Mineralogy-Collectors and collecting-Mexico. 2. Mines and mineral...mineral resources-Mexico. I. Title. QE377.M6P36 1987 549.972 86-13325 ISBN 0-442-27285-5 This boo i...i.. is deJicated tu the people of Mexico and to the three people who directly affected me and this project | | | Book | | anc MINERALS OF MEXICO 7 | : = Pras #0 AaprTTARE ; | MINERALS OF MEXICO William D. Panczner...1938Minerals of Mexico. Bibliography: p. 1. Mineralogyā Collectors and collectingā Mexico. 2. Mines and...and mineral resourcesā Mexico. I. Title. QE377.M6P36 1987 549.972 86-13325 ISBN 0-442-27285-5 This book...Especies Minerales de Jalisco; D. Santiago Ramirezās La Riqueza Minera de Mexico, and his translation...a. ie = Maes Lie Auadado = ae MINERALS OF MEXICO Vv | Oona tA. IMPORTANT MINING DISTRICTS |  | | Journal (issue) | | feet by Steve Voynick 54 THE MAGDALENA OPAL DISTRICT Gem materials in Mexico by Edgar B. Hey/mun, Ph.D....Mansfielel, OH 44906 10 SAPPHIRES AT THE OLD PRESSLEY MINE Display your rocks and enjoy the warmth by Elaine...the high yield sapphire beds of the GEM MOUNTAIN mine near Philipsburg . Ā·rhe sapphire bearing gravel...at the Old Pressley Mine. Two of the fine sapphire specimens found at the mine. Sapphires at the Old...Old Pressley Mine Look For Gold Panning Teachers Goldstream Dredge No . 8 is a tourist attraction near |  | | Journal (issue) | | GEMS AND MINERALS OF MEXICO See them at the Red Carpet Show by Dan Connolly Opal, amber, jade, gold,...Depending upon yield - 30 to 50% from our rough opal - and your market, profits should not be less than...cutting opal for profit, and WISH TO START YOUR OWN BUSINESS ask for our leaflet on how to cut opal more...MAGAZINE HILL. COOBER PEDY 5723. AUSTRALIA SEND ROUGH OPAL TO THE VALUE OF ----------------------------- $...70 Specimens Purpurlte Rose Quartz Petrified Wood Opal Lepldolite (Yellow) Ctialk Nephrite Amazonlte Psilomelane |  | | Book (edition) | | and Florida. Still others are found in Canada and Mexico. Every state, as a glance at the list of gem locations...North Carolina, a big diamond or two in Arkansas, opal in Idaho, and so on. Old locations suddenly are...eye of the microscope. A few gem materials notably opal and obsidian are amorphous, lacking crystal structure...with light such as creates the unique beauty of opal or labradorite, the starry splendor of star sapphire...are available. As gems lie in the range between opal (sp. gr. 2.1) and zircon (sp. gr. 4.7), quick and |  | | Journal (article/letter/editorial) | | SCIENTIFIC PLACER CASSITERITE COMM UNICA TIONS OF THE "MANLEY KIRK W. 213 TIN BELT," ALASKA STANLEY...intergrowthsuggestingthe quartz is earlier. Chalcedonyand opal are absent. Topaz, althoughnot common,was noted |  | | Journal (article/letter/editorial) | | SCIENTIFIC COMMUNICATIONS 1287 b c d FIG. 4. Opal clastsin the ore-bearingsandstoneof the SaoKhua...section, x25, crossednicols. (c) Partly chalcedonized opal (white) with pseudoeutaxiticstructure. Thin section...the investigation show that the chert consistsof opal exhibiting different degrees of chalcedonization...microprobe studies revealed that the uranium in the opal is bound as coffinRe and associated with chalcopyrite...associated minerals texture of tuffs replaced by opal or chalcedony duringsubsequent silicification. |  | Bendel, Valerie, Fouquet, Yves, Auzende, Jean-Marie, Lagabrielle, Yves, Grimaud, Daniel, Urabe, Tetsuro (1993) The White Lady hydrothermal field, North Fiji back-arc basin, Southwest Pacific. Economic Geology, 88 (8) 2237-2245 doi:10.2113/gsecongeo.88.8.2237 | Journal (article/letter/editorial) | | press). LocationofFigure3 shown. SCIENTIFIC COMM UNICA TIONS '2'239 andpillows. Pillowlavaconstitutes...with one samplecomposedof talc and amorphoussilica (opal-A).X-ray peakscorresponding to talc were recognizedin...PYRITE BARITE ZNS TALC CHALCOPYRITE OPAL ANHYDRITE BARITE OPAL COVELLITE Time Time FIG.8. Schematic...moundsulfide.E. Crackin massive sulfidefilledwith opal(Op), well-crystallized covel]ite(Co),andbaritecrystals(Ba)...veins relatedto thisepisode arefilledwith massive opal, barite(Fig.10E),andto a lesserdegree,talc.Oxidationof |  | | Book | | it a veritable not just a picof informa- is mine tion, telling everything the collector needs to...directory of locations the United States, Canada, and Mexico where minerals and gems have been found and it...collecting locations in the United States, Canada, and Mexico. It is the work of Russell P. MacFall, author of...can use a mountaineering bag or a mili- quarry or mine where a permit tary bag; make it it should...searched such detecting richly rewarded. Most of the mine entrances them- selves have been closed by waste |  | | Journal (article/letter/editorial) | | -- -- 0.2 __ -- __ -- SCIENTIFIC COMM UNICA TIONS ! 18 7 someareas,whereaselsewherespottedand...assemblage of kaolinite, alunite, and silica minerals (opal-cristobaliteand Bā¢Rā¢INGnAā¢ B4 7ET, ENCLANā¢ July |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | between the Cordilleras Oriental and Central (Magdalena Valley), the Cordilleras Central and Occidental...Environment in Colombia Cretaceous strata of upper Magdalena Valley and northern Cordillera Central (Domain...latter situation is best developed in the upper Magdalena Valley in rocks of Aptian-Albian age (Etayo-Serna...PerijĀ£ entre Becerril y Villaneuva (Guajira, Magdalena): Colombia Servicio Geologico Nacional, Boletin...the Silver City Mining region, Grant County, New Mexico: U.S. Geological Survey Geophysical Investigations |  | | Book (edition) | | 22 23 24 25 26 27 28 29 30 31 Spodumene Quartz Opal Turquoise Lapis Lazuli Jade ā Geology and Mineralogy...Gemstonesā becoming āColour and Colour Enhancementā, and āOpalā xiii Preface to the Fifth Edition being extracted...Pierre Gilson including, most importantly, synthetic opal, both white and black, and a corresponding ingenuity...stoneā, a special type of glass closely resembling opal in appearance. Quartz, which for many years has...First Edition For two decades, an earlier work of mine ā Practical Gemmology ā has proved a useful elementary |  | | Journal (article/letter/editorial) | | infra carinam eoneavi, ad basim nodulorum 14 serie unica (in anfr. ultimo in eostas deorsum producta) ornati...Library] at 16:01 13 March 2015 Pleurotoma (Mangilia) opal,lna. Testa ovato-fusiformis, patlide purpurascenbi-alba; |  | | Journal (issue) | | and they were found in San Benito, Chihuahua, Mexico. They are quite beautiful, combining the soft contours... September 2021 29 WE ARE ... The Auralite 23Ā® Mine WE ARE ... The Auralite 23 Source Ā® WE ARE ....Anhydrite Black, Pink and Red Garnet ā Danburite ā Fire Opal ā Calcite Of All Colors Black Obsidian ā Mimetite-Morfite...Rainbow Obsidian Hearts, Points and Obelisks ā Purple Opal ā Creedite Clusters Purple & Black Opaline ā Phantom...calcium silicated carbonate mineral, from New Mexico, USA. It is deep purple/grey in colour often with |  | | Journal (article/letter/editorial) | | Explorationin a Volcano-PlutonicCenter at Guanajuato,Mexico J.A. RANDALLR., ApartadoPostal,168, Guanajuato...previouslyknownnorthwest-striking Sierravein systemin the Cubo mine. Theseveinscut the Peregrinarhyolite domelocatedin...00 1722 GUANAJUA TOVOLCANO-PL UTONIC CENTER, MEXICO 1723 The Upper zone,associated with a rangefront...Fresnillo,G = Guanajuato,GT = Guerreroterrane,MDF = Mexico(Distrito Federal), SE -- SantaEulalia, SM = Sierra...Oriental, SMO = Sierra Madre Occidental,TMVA = Trans Mexico volcanic axis,V = Velardefia, Z = Zacatecas. GUANAJUA |  | | Journal (article/letter/editorial) | | clorignta altcrnque tnagnra o c a k , aren anali scrie unica pitnctorum ciltcraque strigarum. Expans. nlar. antic...Scctio 2b. Alrc anticrc nnpstiorcs hyaline ; Eeric unica ccllulvum oblongarum in area nnali. SuLscctio 1...plienomena pcrfcctly nnnlogous to those of hyrlrophnnous opal, tabashrrr, and othcr porous substances. " The phcnomcnon |  | | Report (volume) | | based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such...EXAMPLES High Plateau, Del Norte Cty, USCA Coto Mine, Luzon, PLPN (Wells and others, 1946) (LeBlanc...DEPOSITS Name Ace of Spades Adobe Canyon Gp. Ajax Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue |  | 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) | | extent of producing diffraction patterns (e.g., opal), (2) metamict materials that were crystalline at...few materials by X-ray diffraction order (e.g., opal). Lattice constants are generally derived es be...fibrous minerals Columbite, wolframite Quartz Opal, some yellow varieties of sphalerite Nepheline Tale...INFORMATION The United States, from east to west Canada Mexico Central America and the Caribbean Greenland Iceland...Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma |  | | Journal (volume) | | se 7 The Only Mining Journal Pablithed in Mexico. Vhe Mexican Mining Journal Published SKConthly...ā Vhe Mexican Mining Journal APARTADO 105 Ā£IS. MEXICO CITY, MEX. THE MEXICAN MINING JORNAL INDEX TO...20 and 1. January to December 1915. Accounts Mine, System Action of Dissolved Air of, in Mill Pulp...and Folation, Air and Temperature in the Deepest Mine in the World,. Air, Compressed, for Ore Flotation...Ore 242 American Society of Mexico, 145,.. 198 American Society of Mexico, Organization of, 158 Analysis |  | | Book | | of H addam, Connecticut tourmalines, working the mine himĀ sel f. He also collected the magnificent gem...gem sphene crystals from the Til ly Foster Mine at Brewster, New York . "English" is, of course, George...Bibbins of Ba ltimore, repons a brown and milky opal with hyalite from Bare Hi lls, MaryĀ land. found...described eith er by him. or m yself. Brown and milk opal-& hyalite? have been fo und within th e past t w...h ing else. f enc lose a sa mple of th e brow11 opal with coa ting of what we though t m igh t be h ya |  | | Journal (issue) | | This includes: blue sapphire, white and black 'opal', emerald, star ruby, alexandrite and alexandrite...28 and 29). Bubbles are also present. The Kyocera opal product is similar in its structural characteristics...Gravelotte, South Africa; Habachtal, Austria; Maria Mine, Mozambique; Machingwe, ZimMaria babwe. The T h...nickel was determined in natural emeralds from Cobra mine, Transvaal, South Africa, in concentrations up to...found neither in the spectra of samples from Cobra mine nor in spectra of emeralds from other localities |  | | Book (edition) | | Kaolin, Karpholite, Kupaphrite, Kyanite, Labrador opal, Lapis Lazuli, Laumonite, Lava, Lazulite, Lead...Peliom , 29 130 Pumice, 227 Purple copper, Oolite, Opal, common, ferruginous, of chrome, of columbium ...There are however many varieties of each of these mine. rals, which differ from each other in various respects...method, therefore, will be to select out all the mine rals of certain families, or kinds, leaving the...species, quartz, contains a considerable variety of mine rals, which differ from each other in many, or most |  | | Book | | I ib. - 210 Opal ib. 2d Common Opal, 3d Fire Opal, ib. Mother-of-Pearl Opal, ib. 4th ^ ...211 Semi-Opal, 6th 4 ib. I h 1st Kind, Precious ;r ib. Peaxl-Sinter, or Fiorite, Opal, -ji Sinter...Hyalite, J 207 ā¢ I 212 Jasper-Opal, or Ferrug. Opal, ib. Wood-Opal, ib. - mĀ«h 213 i 1 St Kind'...great the famous natron lakes in Northern Africa in Mexico Italy, : t quantity in J, h on the and bottoms... It occurs along with copper-pyrites, in Pary's mine in Anglesea ; and also in the copper-mines in the |
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Unica Mine, Magdalena, Magdalena Municipality, Jalisco, Mexico