 | | Journal (article/letter/editorial) | | of sapphires from a lamprophyre dike at Yogo Gulch, Montana, USA: Clues from their melt inclusions Aaron...of sapphires from a lamprophyre dike at Yogo Gulch, Montana, USA: Clues from their melt inclusions, LITHOS...Origin of sapphires from a lamprophyre dike at Yogo Gulch, 1 RI Aaron C. Palke1*, Nathan D. Renfro1... SC *aaron.palke@gia.edu Montana Bureau of Mines and Geology, Montana Tech, 1300 West Park Street...Street, Butte, MT NU 2 PT Montana, USA: Clues from their melt inclusions 59701 MA ABSTRACT Gem corundum |  | | Journal (issue) | | WASHINGTON May 2, 2009 9:00 am to 5:00 pm Clark County P. U. D. Building 1200 Fort Vancouver Way Vancouver...Howard 3 Some Zeolite Locations in Montana Part 4 - Eastern Montana - South Larry B. French HC 46 Box...Box 7204 Miles City, MT 59301 In southeastern Montana, zeolites occur in three different geologic settings:...bentonite deposits, lignite deposits, and Tertiary basin-filling sedimentary rocks. 2) As primary and secondary...specimens in the Montana Mineral Museum (MTMM) at Montana Tech. Analcime Carbon County: Sedimentary rocks |  | | Report (volume) | | Corundum Deposits of Montana By STEPHEN E. CLABAUGH ^ GEOLOGICAL SURVEY BULLETIN 983 * .^ A description...and associated placer deposits___.______. ______ Yogo sapphire deposit. _________________________________________...occurrences. _-_--_--__--____--____-_-____-__-___ Quartz Gulch _____________________________________________ Pole..._______-_--_______________-_-___-_____-Chouteau County, _________________ _____________-________ Origin...____.__ Origin of the deposits in southwestern Montana.__-.-_---_-_... Hypothesis of igneous origin. ___ |  | | Journal (article/letter/editorial) | | Melt inclusions in alluvial sapphires from Montana, USA: Formation of sapphires as a restitic component... Melt inclusions in alluvial sapphires from Montana, USA: Formation of sapphires as a restitic component...MANUSCRIPT Melt inclusions in alluvial sapphires from Montana, USA: PT Formation of sapphires as a restitic component...Drive, Carlsbad, CA 92008, USA 2 Montana Bureau of Mines and Geology, Montana Tech, 1300 West Park Street...Street, Butte, MT 59701, USA MA *aaron.palke@qm.qld.gov.au †Present address: D Queensland Museum, Brisbane |  | Palke, Aaron C., Wong, Jacqueline, Verdel, Charles, Ávila, Janaína N. (2018) A common origin for Thai/Cambodian rubies and blue and violet sapphires from Yogo Gulch, Montana, U.S.A.?. American Mineralogist, 103 (3) 469-479 doi:10.2138/am-2018-6164 | Journal (article/letter/editorial) | | rubies and blue and violet sapphires from Yogo Gulch, Montana, U.S.A.? Aaron C. Palke1,2,3,*, Jacqueline...in blue to reddish-violet sapphires from Yogo Gulch, Montana, U.S.A., with rubies from the Chantaburi-Trat...The similarities between Thai/Cambodian rubies and Yogo sapphires suggest a common origin for gem corundum...used with caution. Keywords: Sapphire, ruby, Yogo Gulch, melt inclusions, corundum, gemology Introduction... 470 PALKE ET AL.: THAI/CAMBODIAN RUBIES AND YOGO GULCH, MT SAPPHIRES between the two countries. The |  | | Journal (issue) | | area, San America’s Royal Gems – Montana and Yogo Sapphires Benito County, California; the group of sapGems...Mountain Mine, GranTantalizing Turquoise ite Country, Montana. Photos of gemstones Oregon Sunstone – A Rare and...Daniel Bronfen, Brazil Evan Caplan, USA Rocco Gay, Italy Sushil Goyal, USA Shahina Hatta, Hong Kong Dwarka...Thailand Immediate Past President Benjamin Hackman, USA Chief Executive Officer Gary Roskin ICA General Manager...31 W. 47th Street, Suite 1103 New York, NY 10036 USA ica@gemstone.org T: 1.212.620.0900 F: 1.212.352.9054 |  | | Journal (issue) | | Black Diamonds from Zimbabwe Characterization of Yogo Sapphires Synthetic Diamonds Chart 2018 GIA SYMPOSIUM...pg. 113 111 Summer Reading: Diamond Research, Yogo Sapphire, and Byzantine Garnet Duncan Pay FEATURE...Gemological Characterization of Sapphires from Yogo Gulch, Montana Nathan D. Renfro, Aaron C. Palke, and Richard...E. Kane James E. Shigley London, UK Helena, Montana Carlsbad, California John L. Emmett Stefanos...the Cover For more than 120 years, Yogo Gulch in central Montana has been one of the world’s most illustrious |  | | Journal (article/letter/editorial) | | Montana Mineral Locality Index Downloaded by [University of Nebraska, Lincoln] at 20:00 09 April 2015...2015 K NOWN AS THE TREASURE STATE, Montana is rich in mineral and gemstone localities. The state motto...The middle third of the state is known as the Montana alkali province where the sediments have MICHAEL...Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded by [University... the Rocky Mountains, and furthest to the northwest, the belt basin. The Rocky Mountains contain sedimentary |  | | Journal (issue) | | Heinz-Jiirgen Bernhardt, a n d Fred M o u a w a d The Yogo Sapphire Deposit Keith A. ~ ~ c h a l u k NOTES...occurrence of sapphircs and zircons of the Jemaa district, in central Nigeria. We coinpared the Jenlaa alkali...ruby froin Sri Lanlta and a blue sapphire from Montana (Beran, 1991), and in untreated blue Australian...in tlie spectra of flux-grown synthetic rubies (Belt, 1967; Volynets et al., 1972; Peretti and Smith...Vemeuil- and hydrothermally grown synthetic ruby, see Belt (1967),Beran (1991),and Peretti and Smith (1993 |  | | Book | | RWH PUBLISHING ~ }OB 28:18 BOULDER, CO LORADO USA 1997 ~ © 1997 by Richard W. Hughes All rights...Publishing 4946 Clubhouse Circle Boulder, CO 80301-3725, USA Tel: 303-530-7975; Fax: 303-530-7975 Publisher's...States of America (USA) 454 382 Idaho 454 Bibliography-Idaho 454 Montana 454 Yogo G ulch 454 Other Moncana...localities 460 Characteristics of Montana coru.ndwns 465 Bibliography-Montana 469 North Caroli na 472 Bibl...473 History 474 Luc Yen 474 Quy Chau (Bu Khang District) 475 Other Vietnam corundu.n1 localities 478 Mining |  | | Book (edition) | | from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...Leonard Enos, J. A. Ferguson, George M. Francis, Judith W. Frondel, Charles W. Fryer, R. Gordon Gastil...Corundum Hill, North Carolina 7. Eldorado Bar, Montana 8. W. D. Baltzley 9. Ellis mine pocket, Hiddenite...California 19. Sequist Ranch topaz area, Texas 20. Little Three mine, Ramona, California 21. Gem-bearing...of tourmaline crystal forms 38. Map of San Diego County, California gem sources 3 9. Stewart Lithia· and |  | | Book (volume) | | brownish yellow octagonal calcite (21.30 ct), Montana; light yellow orthoclase feldspar (25.03 ct), Idaho;...Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...oligoclase feldspar (5.04 ct), Oregon; and three Montana sapphires, violetish blue (2.52 ct), yellow (4...large-scale mining of sapphire-bearing gravels in Montana is beginning and is expected to produce large quantities |  | | Journal (article/letter/editorial) | | and State University, Blacksburg, Virginia 24061, USA 128 Cs. Szab6 et al. /ihnlich. Der Karbonatitgang...cleavage planes. In the groundmass, feldspar and analcime can be easily recognized, as well as opaque minerals... dolomite), radial, acicular micas, sanidine, analcime, and a few grains of opaque minerals (Fig. 2E)... . . . . i i 0.4 . . . i 0 0/....0~ Yogo lamprophyre ~ . D ,. • 0.3 "~ 0.2 ...-°" •...located between the 1Ti: 2AI(IV) line and the field of Yogo lamprophyre (Meyer and Mitchell, 1988), whereas |  | | Journal (issue) | | FEDERATION OF MINERAL SOCIETIES FEATURES Montana'• Famed Yogo Gulch by Beatrice J. Johnson ................Texas 78204 Mlcrocry•tal Collectlng In Keweenaw County, Michigan by Jean R. Rentmeister ................Smiths, New York 12970. NFMS - Henry Pope. Loma. Montana 59460. RMFMS - Evelyn Schafer, 3229 N. 60 St.....CA. Host, Gem and Mineral Society ol San Mateo County. H.B. Murnan, P.O. Box 53, NAS Mollett Field, CA...Mineralogy Society. Annual Show. Benton-Franklin County Fairgrounds. Kennewick, WA. 10-10 and 10-6. Donald |  | | Journal (issue) | | chemical composition. 370 Alluvial Sapphires from Montana: Inclusions, Geochemistry, and Indications of a...Robert E. Kane Guanghai Shi London, UK Helena, Montana Beijing, China John L. Emmett Stefanos Karampelas...Mouawad Campus 5345 Armada Drive Carlsbad, CA 92008 USA © 2015 Gemological Institute of America All rights...conditions. Alluvial sapphires from the U.S. state of Montana have long been celebrated for their kaleidoscope...rugged fringes of Australia’s arid Great Artesian Basin: Lightning Ridge, Koroit, Yowah, and Quilpie. Their |  | | Book | | in. ) high from Tourmaline Queen Mine, San Diego County, Pala, California. Back Cover: Azurite and Malachite...Na)Ali(Al,Si) 3Oi,s • (CO3,SO,,CI) 216 Zeohte group Analcime NaAISi 2O6 • H2O 217 Chabazite CaAl1Si,O, 2 •... ~ 29 Native Gold Sheet on Quartz El Dorado County; California 30 5 cm (2 In.) high Native Gold...across Native Copper in Calcite Hancock, Houghton County, Michigan 12 cm (4% in.) across 37 38 Native...(1 ,n.) across Fluorite Denton M ine, Hardin County, Illinois 8.3 cm (3 ¼ in.) high 67 Fluorite |  | | Report (chapter) | | two subtypes of lamproites were character- Oman Mountains, Arabia (Searle 1984), at ized by the following...of lamproites individual lamproite suites with little regard to and Wagner & Velde (1986a) discussed...reference Cross 1897 • x x x x x x x Fitzroy Basin, W. Australia Wade & Prider 1940 • x )~ Murcia-Almeria...rare). 3 Alteration or secondary phases comprise analcime, chlorite, quartz, TiO 2 polymorphs, Downloaded...1.5 x 103 to 2.5 • 103 Ma. Enoree Vermiculite district, S Carolina ( E V D ) (34 ~ 30' N, 82 ~ W) Geochemical | | | Book (volume) | | Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...oligoclase feldspar (5.04 et), Oregon; and three Montana sapphires, violetish blue (2 .52 et), yellow (4...large-scale mining of sapphire-bearing gravels in Montana is beginning and is expected to produce large quantities...c1ystals, many of facet-grade, found in the Wah Wah Mountains of Utah are to be mined by conventional open-pit...discovery and production in the continent, there is little doubt that many regions remain unexplored because |  | | Journal (issue) | | Robert E. Kane Guanghai Shi London, UK Helena, Montana Beijing, China John L. Emmett Stefanos Karampelas...Mouawad Campus 5345 Armada Drive Carlsbad, CA 92008 USA © 2017 Gemological Institute of America All rights...etching, in quartz crystals from India’s Jalgaon District. NOTES AND NEW TECHNIQUES 82 Characteristics...Moroccan amethyst • Emerald dealing in Afghanistan • Montana sapphire production • Magnesio-axinite from Tanzania...crewmembers deserted to go to the diamond mining area: A little time before the arrival of Roggewein, the Portuguese |  | | Journal (issue) | | 4894 Briar Ridge Court, Boulder, CO 80301-3980, USA ** No. 724, 1st Floor, Merchant St., Yangon, Myanmar...surface. This area now appears to be exhausted, and little mining is carried on there today except for peridots...Before 1882 Shepard Collection Amherst College, USA Kunz, 1892 Unnamed Over 101b (4.5kg); sapphire...Gem Trade Laboratory, Santa Monica, California, USA Abstract This article describes the gemmological...concurrent gem and mineral shows in Tucson, Arizona, USA, the authors encountered a considerable amount of |  | | Journal (issue) | | Robert E. Kane Guanghai Shi London, UK Helena, Montana Beijing, China John L. Emmett Stefanos Karampelas...Mouawad Campus 5345 Armada Drive Carlsbad, CA 92008 USA © 2017 Gemological Institute of America All rights...characteristics of tourmaline from pegmatites in the Luc Yen district of northern Vietnam. pg. 201 204 Characterization...tourmaline, nephrite color determination, and Montana sapphire. In addition, we provide a full-color...alluvial sapphire production in the U.S. state of Montana. They note the prevalence of small-scale mining |  | | Journal (issue) | | Mouawad Campus 5345 Armada Drive Carlsbad, CA 92008 USA © 2019 Gemological Institute of America All rights...and sapphire in lamprophyre and syenite as in Montana (United States) and Garba Tula (Kenya), respectively...Cretaceous black shales of the Eastern Cordillera Basin. These are related to the circulation of hydrothermal...primary ruby and sapphire deposits in the gemstone belt of East Africa, Madagascar, India, and Sri Lanka...that were active in the ruby-bearing metamorphic belt from Afghanistan to Vietnam. The fourth period of |  | | Book (volume) | | Though well endowed with fossils, Illinois has little to offer gem and mineral collectors, even though...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip |  | | Book (volume) | | Though well endowed with fossils, Illinois has little to offer gem and mineral collectors, even though...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip |  | | Journal (issue) | | Daniel Bronfen, Brazil Evan Caplan, USA Rocco Gay, Italy Sushil Goyal, USA Shahina Hatta, Hong Kong Dwarka...Thailand Immediate Past President Benjamin Hackman, USA Chief Executive Officer Gary Roskin ICA General Manager...31 W. 47th Street, Suite 1103 New York, NY 10036 USA ica@gemstone.org T: 1.212.620.0900 F: 1.212.352.9054...rocks—meteorites from Mars, the Moon and the Asteroid Belt, as well as some 400 mining artifacts, 250 fossils...tall. William Willes #1 Quarry, Topsham, Sagadahoc County, Maine. (Photo: Mark Mauthner) Rose of Maine beryl |
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