 | | Book (edition) | | ■ THE MOSCOW OPAL MINES 1890 to 1893 (The First Commercial Opal Mines in the Ujiiled States) Mon Brockett...$3.00 . ■ The Moscow Opal Mines—1890 to 1893 (The First Commercial Opal Mines in the United States)...United States of America U.S.A. OPAL COUNTRY (Precious Opal near towns located on map) OPALS "found... IDAHO f 2 3 (z i • Te*o* I o "Shoshone County, Idaho man picks up opals while out hunting a horse...COlFA* -rftO Y PjiLtiM • GtntSEE • LSi/is to'v LOST OPAL MINE on "high hill opposite Lewiston, Idaho." Discovered |  | | Journal (article/letter/editorial) | | W1T 3JH, UK Australian Journal of Earth Sciences: An International Geoscience Journal of the Geological...tandfonline.com/loi/taje20 Towards a predictive model for opal exploration using a spatio-temporal data mining...D. Müller (2013) Towards a predictive model for opal exploration using a spatio-temporal data mining...mining approach, Australian Journal of Earth Sciences: An International Geoscience Journal of the Geological...1080/08120099.2012.754793 Towards a predictive model for opal exploration using a spatio-temporal data mining |  | | Book (volume) | | Plains, wells drilled deep into this unit provide an inexhaustible supply of cold artesian, Rocky Mountain...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...tributary gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream...stream beds, etc. petrified wood, wood opal; along the Grand R. though entire Co., regional banks, breaks |  | | Book (volume) | | excavations in the underlying black, Upper Devonian (New Albany) shales occasionally produces pieces of silicified...concerned, Ohio is unique in but a single gemstone, an exceptionally high quality, colorful flint that is...chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty the Arizona agatized wood. This...ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships |  | | Book (volume) | | excavations in the underlying black, Upper Devonian (New Albany) shales occasionally produces pieces of silicified...concerned, Ohio is unique in but a single gemstone, an exceptionally high quality, colorful flint that is...chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty the Arizona agatized wood. This...ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships |  | | Journal (issue) | | DEALER . ARTHUR CHAMBERLAIN , Editor . Member of the New York heralogical Club and of the Brooklyn Institute...sciences , NO . 4 - JUNE , 1898 . CONTENTS AsbestUS , OPAL FIELDS OF AUSTRALIA , HALITE FACT AND FANCY , GEORGE...26 JOHN ST . , NEW YORK THE MINERAL COLLECTOR . CROCOITE . A rare species from a new locality . Magnificent...: tainty of your approval . Send for descriptive New Arrival List . " OS DO The Complete Mineral Catalogue...and form of all known species and varieties , with an up - to - date supplement . A Metallic Classification |  | | Journal (issue) | | / Volume 34 / No. 6 Columns p. 476 467 What’s New Automated melee screening device|DFI Mid-UV Laser+...Newsletter|Microcrystalline silica online lectures|What’s New in the Mineral World? 470 Practical Gemmology A... Feature Articles 490 Green-Luminescing Hyalite Opal from Zacatecas, Mexico By Emmanuel Fritsch, Peter...colour appearance of this rough and cut hyalite opal from Zacatecas, Mexico, is due to its green daylight-induced...Laguna Beach, California, USA. Photo by Orasa Weldon. 532 Conferences Sinkankas Opal Symposium|AGA Las Vegas|Mallorca |  | | Book (volume) | | MODIFIED DRIFT By WARREN ae OF GLACIAL IN NEW HAMPSHIRE. UPHAM, DRIFT. APPENDIX II. TO PARTS ...INTRODUCTION, . . . . .. THE MINERALOGY OF NEW HAMPSHIRE, LITHOLOGY, INDEX TO PART IV, APPENDIX, Part...Section of river bank, Rockingham, Vt., 3 : 18, Section in Bridgewater and New Hampton, 19, Section in...of IN THE 14-16 ATLAS. New Hampshire—/ac-szmle, reduced. New Hampshire—/ac-simzle, half size. Two...the topography, contour lines, and geology of New Hampshire, with portions of that of the adjoining territory |  | | Journal (issue) | | 4 OCTOBER 1966 TRANSPARENT GREEN GROSSULAR—A NEW GEM VARIETY; TOGETHER WITH OBSERVATIONS ON TRANSLUCENT...years there has been a n / - % astonishing number of new minerals discovered which can lay some claim to be...three transparent green specimens were in fact a new form of gem grossular, but as a final check Dr. G...G. F. Claringbull kindly obtained for me an X-ray powder photograph from traces scraped from the edge...t m u c h higher than for emerald (0-014). T h e new stones thus have a distinctly lively appearance, |  | | Journal (issue) | | excellence in the trade. Sign up now and receive our NEW fully illustrated Diamond Diploma course notes —...Volume 34 / No. 4 COLUMNS p. 35 279 What’s New GemmoFtir|GSJ abstracts| Historical facet designs|ICGL...kyanite from Tanzania|Green daylight-fluorescent opal from Mexico|‘Trapiche’ quartz with radiating fibres|Yellow...amazonite|News from Myanmar Cover Photo: An 11.38 ct diamond with an asteriated hydrogen cloud is photographed...ARTICLES Feature Articles 306 The Rhodesian Star: An Exceptional Asteriated Diamond By Thomas Hainschwang |  | | Journal (issue) | | PRICES ARE BASED AT $180.00 per ounce, we will make an adjustment of price on day order is shipped. Prices...CARVING MICROMITE Diamond Carving Points AND NOW ... NEW FROM LAPCRAFT For Dressing and Truing . . . MICROMITE...rockhounds. Elsewhere in this issue, you will find an article about some of the many uses for this versatile..................... 16 A Method for Using Tecopa Opal by F.W. Seasholtz .................................54 Foull Collectlng In Lincoln National Fornt, New Mexico by Joe Fromhold ........ 58 Mrs. Joan Pichotta |  | | Journal (issue) | | mmigration Ol ice. Opal Mines, Wbite Cllifs, New South Wales. Oourte8JI Special Opal Nuinber Granite and...magazine• .'-============================ r ROCH. S an d MINERALS A NON-TECHNICAL MAGAZINE --'ON-MINI...1Iuseum. B y 1rilli<1m F. Foshag The Geology of Opal. By, Oilb rrt Hart.. . . . . . . . . . . . . . ...Quest of the Opal. B!I If. T. Strnng.. . ....................... . . ('(}Jor Play in Opal. B.11, Il. E... . . . . . . . . . . . . . . . . . . . . . 'fbe Opal. JJy E11,qe11e Jr. B1"11k..................... |  | | Book (volume) | | species. And for those interested in discovering new deposits, the geology and mineralogy of sources is...review of deposits, a helpful geographical index, and an exceptionally complete listing of books and arucles...America has developed into a major exporter rather than an importer. A VAN NOSTRAND REINHOLD BOOK . Digitized... In Iwo Volumes Volume | JOHN SINKANKAS [aN] VAN New NOSTRAND York Cincinnati REINHOLD Toronto...Educational Publishing, Inc. 450 West 33rd Street, New York, NY 10001 Van Nostrand Reinhold Limited 1410 |  | | Book | | THE BOOK OF yJ An>> aT -v • J[. Illustrated. $9.^5 ISBN 0-8019-0964-3 OF VERMONT ENT OF LIBRARIES...as an authority in the lapidary field. Beginning with a description of agate, he proceeds to an interesting...varieties, with favorite location of quartz agate, opal wood — collectors. The petrified gems throughout... tell about other quartz varieties such as the opal, and petrified wood; and to give him the most complete...received, and one always fears that the name of an important adviser may be left out. However, in the |  | | Book | | • • • • ': . ·• Ranson1 , Jay E . Gems an d minerals of Arnerica 549 . 075 RAiJSO rti SAUSALITO...Rock Collecting HARPER & ROW, PUBLISHERS ....... New York, Evanston, San Francisco, London 1817 Portions...Harper & Row, Publishers, Inc., 10 East 53rd Street, New York, N.Y. 10022. Published simultaneously in Canada...Gemstones and Minerals; Volcanic Flows; Values in an Outcrop 4. Preparation for Field Collecting 52...Reading the Geologic Map; Geologic Maps as Guides to New Fields; Other Maps Useful to Gem and Mineral Hunters |  | | Report (issue) | | many features have in been elaborated; other words, an attempt has been made to harmonize scientific accuracy...to the blossoms of the organic stones are found, an evaporation obviously countries. It burnt tropics...Aristotle and his pupil, Theophrastus, the latter writing an excelsixth century lent treatise Roman B. indicate...mineralogy. succession to the treasure-field marked an increase ira mineralogical knowledge and a fuller...had been purchased from the Greek Government, by an English merchant, and the price had advanced to one |  | | Journal (issue) | | Nigeria Volume 38 / No. 2 / 2022 COLUMNS What’s New 111 III Conferenza Nazionale Diamante e Gemme di...total weight) and 272 pavé diamonds. Courtesy of IVY New York. ARTICLES 138 Spinel from the Pamir Mountains...Zimbabwe | Chromiumbearing Translucent Green Common Opal | Blue Sapphires Reportedly from Azad Kashmir |...Silica Glass Sold as RockCrystal Balls | An Unusual Pink Synthetic Opal | Quench-Fractured Bicoloured Synthetic...courtesy of The Walters Art Museum 119 172 Hyalite Opal from Erongo, Namibia, Showing Green Daylight Fluorescence |  | | Book | | specifics of SiO2 modifications and varieties (e.g., opal, chalcedony, agate, quartz, amethyst). Following...with varying crystallographic order exist which play an important role in geological as well as industrial...However, modern analytical methods brought a lot of new mineralogical and geochemical data concerning the...methods is illustrated by two contributions providing new data concerning thermogravimetry-massspectrometry...seifertite, high-pressure silica glass, moganite or opal, are relatively rare in extraterrestrial materials |  | | Book | | specifics of SiO2 modifications and varieties (e.g., opal, chalcedony, agate, quartz, amethyst). Following...with varying crystallographic order exist which play an important role in geological as well as industrial...However, modern analytical methods brought a lot of new mineralogical and geochemical data concerning the...methods is illustrated by two contributions providing new data concerning thermogravimetry-massspectrometry...seifertite, high-pressure silica glass, moganite or opal, are relatively rare in extraterrestrial materials |  | | Journal (issue) | | CB by Mildred M. Lawrence DEPARTMENTS 24 WHAT'S NEW 28 QUESTIONS 30 NEWS NOTES OF COLLECTING AREAS 32...several things : 1) Tweak the curiosity which is an essential part of the makeup of every hobby craftworker...of product, as in dental inlays and crowns. It i'> an old process. Those who viewed the recent Tutankhamen...(12-18): $2.50 Under 12 free when accompanied by an adult SHOW HOURS August 7th 10 a.m. to 9:30 p.m...collections and often, for display. ln recent years, a new dimension has been added. ln art galleries, boutiques |  | | Book | | (subspecies) of quartz; all of like importance; therefore, an equal amount of are not space should not be devoted...Newland, New York State Museum; Prof. George Beck, Washington State Normal College; Raymond C. Moore...subvarieties of amorphous quartz, including the part on opal; Mr. Dake's many years of experience as editor of...XII Unusual Quartz Types 225 Chapter XlII The Opal 239 Chapter SiLICIFICATION AND XIV PeTRIFIED...118 Sand Crystals Arrowheads of Common 119 Opal and Agate Display of Quartz Minerals Jasper Jasper |  | | Book (edition) | | of meriting the acceptance of this Dictionary as an international reference source for the gemological...of Great Britain; and A. Espositer, lapidary of New York City. George H. Marcher, CG, lapidary and authority...against overwhelming odds directed the early growth of an unique institution. As in the educational development...by the definition. For example: “African jade’ is an incorrect term for green grossularite, as stated...Although the reader may find no information that is new to him under the second definition, even advanced |  | | Report (issue) | | 13th 1977 Nonnan. Oklahoma 14th 1978 Albany. New York 15th 1979 Golden, Colorado 16th 1980 St...St. Louis, Missouri 17th 198 1 Albuque rque, New Mex ico 18th 1982 Bloomington, Indiana 19th ...in humans James M. Barker and Christopher McKee, New Mexico Bureau of Mines and Mineral Resources ......at the New Mexico Bureau of Mines and Mineral Resources, Socorro, New Mexico James M. Barker, New Mexico...consisted of technical sessions, a local field trip. and an optional three-day trip. All of the papers presented |  | | Journal (issue) | | Clarity Grading . . . “Chocolate Pearls”. . . Leopard Opal . . . Rainbow Andradite from Japan THE QUARTERLY...identifying these products. 236 Leopard Opal: Play-of-Color Opal in Vesicular Basalt from Zimapán, Hidalgo...Hidalgo State, Mexico Robert Raymond Coenraads and Alfonso Rosas Zenil A look at the origin and properties...Myanmar • Moonstone from Madagascar • Phenomenal fire opal • “Sunset” quartz from Brazil • Swedish Blue (slag)...P. Smith New York, New York Henry A. Hänni Basel, Switzerland Lore Kiefert New York, New York Christopher |  | | Journal (issue) | | U I D E TO MEXICO " \ I ^J \ J Published after an extensive two-year travel survey for up-to-date information...Telephone and Telegraph Services SEND ONLY \ to Mexico an enjoyable one eliminating problems which may arise...not a "story book" or just a list accommodations. An aid in selecting those sections of Mexico most interesting...information contained in the Palm Springs Museum's new Cahuilla Room, recently collaborated on a book, The...month's DESERT they write of recent finds which shed new light on Coachella Valley's past. GLORIA GREER has |
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Raymond, Rockingham County, New Hampshire, USA