 | | 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 |  | | Book | | #" Stephen M. Voynick 1 Yogo The Great American Sapphire Yogo The Great American Sapphire by...Cataloging-in-Publication Data Voynick, Stephen M. Yogo : the great American sapphire. Rev. ed. of; The...1. Sapphire mines and miningâMontanaâ^Yogo Creek Regionâ History. 2. Yogo Creek Region (Mont.)âHistory...In Search of Gold The Mid-Atlantic Treasure Coast Leadville: A Minerâs Epic Colorado Gold Colorado Rockhounding...Publishing Co. Contents Preface.vii Introduction: The Yogo Dike.ix Chapter 1: The Blue Pebbles.1 Chapter 2: |  | | Journal (article/letter/editorial) | | Figure 1. Interior view of the Mineral Museum at Montana Tech. Pete Knudsen photo. Maine Mineral & Gem...Bethel, Maine 04217 cfrancis62@gmail.com MONTANA CRYSTAL MONTANA COLLECTORSâ N RENDEZVOUS 2019 o dues...Mineral enthusiasts from all over Montana meet annually as the Montana Crystal Collectors (MCC) on an early...Rendezvous. Knudsen is a retired professor and dean at Montana Technological University in Butte, so the event...from Boston to Butte and back to be immersed in Montana minerals for a day and a half. The only thing I |  | | 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) | | symbol to promote outstanding aspects of their county or state. Approval is usually not difficult because...Corporation explored for copper in the Cerbat Mountains, Mohave County. They acquired mineral rights to two sections...Cochise County, and earned the nicksurrounding Mineral name of âTurquoise Park, Mohave County, Kingâ (Arizona...King(Blake 1858; Johnston Turquoise company man district, Mohave County, Arizona. John Betts photo. 1964). reputedly...with Mercator Mineral around Mineral Park, Mohave County. Turquoise has been Park Holdings Ltd. acquiring |  | | Journal (issue) | | area, San Americaâs Royal Gems â Montana and Yogo Sapphires Benito County, California; the group of sapGems...Mountain Mine, GranTantalizing Turquoise ite Country, Montana. Photos of gemstones Oregon Sunstone â 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 (article/letter/editorial) | | STONES GEORGE E. KOSEL, "Newsletter" The Bergen County Mineralogy and Paleontology Society, Inc. Downloaded...this month is Montana, which has two State Stones, the one being a State Gemstone, Montana agate, and the...Sapphire. Montana is the land of a world-famous variety of moss agate known everywhere as "Montana agate"...present scenes of black mossy inclusions resembling mountains, trees, ferns, bushes, lakes, clouds, figures...link settings, as well as brooches and necklaces. Montana is a very large state and about 30% of it is still |  | | Journal (article/letter/editorial) | | Pennsylvania 19406. 48 pages; 1984; $4.50. This handsome little book will delight collectors inter ested in classic...mineral resources of a property in St. Lawrence County, New Y o r k , in 1840 at the age of 18. At the...of the Perkiomen and Ecton mines in the Audubon district in Pennsylvania. In 1851 Wheatley broke ground...managed most of the mines in the Phoenixville district. Wheatley also ran a copper smelting business...at the Wheatley, Brookdale, Phoenix, and Chester County group of mines; the Charlestown Silver- Lead mine; |  | | Journal (article/letter/editorial) | | America, 5355 Armada Drive, Carlsbad, CA 92008, USA; apalke@gia.edu Received: 3 March...with rare rubies (secondary Montana sapphire deposits and Yogo Gulch in Montana as well as the gem fields...Myanmar; Chanthaburi, Thailand; Pailin, Cambodia; Montana, USA; and various gem deposits in Sri Lanka. The...[6]. This was supplemented, especially for the Montana sapphires, by samples provided by several trusted...sapphire mining areas of Montana including Richard B. Berg from the Montana Bureau of Mines and Geology |  | | Book | | Montana Hodges Robert Feldman Shaded relief indicates terrain and slope. Second Edition Rockhounding...longitude numbers and grid ticks are GPS compatible. Montana Enhanced detail shows more symbols, labels, and...history Cover photos of Montana agate (front) and ammonite imprint (back) © Montana Hodges Cover design by...imprint of The Globe Pequot Press MONTANA Search for stunning Montana agate along the Yellowstone River...paleontologists excavate dinosaurs in Malta. Rockhounding Montana points the way to the best rockhounding in the |  | | Journal (article/letter/editorial) | | found in dozens of states. There is a semicontinuous belt of amethyst occurrences, much of it of faceting...quality, in the foothills of the Appalachian Mountains, stretching all the way from Maine to Georgia...sporadic source of superb gem amethyst in the mountains just east of Phoenix, Arizona. Superb amethyst...currently being mined at Jacksons Crossroads, Wilkes County, Georgia. The more familiar and more highly regarded...fragments were found at Mount Mica, Paris Hill, Oxford County, Maine, in 1820 among the roots of a fallen tree |  | | Journal (article/letter/editorial) | | Chemistry. The desire for gems, like the hunger for gold, has always led men to search the far corners of...Queensland, New South 'Vales, Ceylon, Riam and Montana. Not only are many of these locations at great...sapphire deposits of the world is in the Yogo Gulch of the Judith Basin in l\1ontana. This deposit is in the...surroundings. According to early settlers in this district, the hated gopher and the lowly badger WE'rE'...company for the purpose of r-arrving on gold mining in this gulch. The~' spent some $40,000 to hring in |  | | Journal (article/letter/editorial) | | Montana Mineral Locality Index Downloaded by [University of Nebraska, Lincoln] at 20:00 09 April 2015...STATE, Montana is rich in mineral and gemstone localities. The state motto, Ora y Plata meaning âgold and...mining origins. Montanaâs production of copper, coal, gold, lead, manganese, phosphate, silver, talc, vermiculite...Stuart established Montanaâs first mining camp at Gold Creek in 1860. Geologic Provinces The state can...The middle third of the state is known as the Montana alkali province where the sediments have MICHAEL |  | Palke, Aaron C., Wong, Jacqueline, Verdel, Charles, Ăvila, JanaĂna 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) | | 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 |  | | Report (issue) | | CONDITIONS IN THE LITTLE BELT MOUNTAINS FOREST RESERVE, :MONTANA, AND THE .LITTLE BELT MOUNTAINS QUADRANGLE...pis. 22. Forest conditions in the San Fmncisco Mountains Forest Reserve, Arizona, by J. B. Lei berg, T...Absaroka division of the Yellowstone Forest Reserve, Montana, and the Livingston and Big Timber quadrangles...conditions in the Little Belt Mountains Forest Reserve, Montana, and the Little Belt ~fountains quadrangle...conditions in the Little Belt Mountains forest reserve, Montana, and the Little Belt Mountains quadrangle, |  | | 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 worldâs most illustrious |  | | Journal (article/letter/editorial) | | corundum in this area and in the great eorundiferous belt stretching along the line of the Appalachian crystalline...natural crystals of the rubies from the Cowee district of North Carolina, and that in our opinion their...be in no way inferior to those from the Mogok district of Burma. i i p. ..J F'RA,N KL| N 9 ! . ~ ...~ '} t ,~ Miler FxG. 1.--Sketch Map of the district in which Ruby and Rhodolite are found. x 15th...association of minerals as occurs in Burma. The district in which these interesting discoveries ~ave been |  | | Report (volume) | | ............................................. Montana ....-.-.--.......................................___..__._....._..._______..__._.____..._.____.' Montana .............................................................................................. Montana ...............................................................-....--......... ..----........ Montana .........'... ................................... II. Outcrop of peridotite at Buck Creek, Clay County, N. C........ III. A, Corundum in chlorite at Corundum |  | | Report (volume) | | Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The...Pierce County; Oregon, Dane County; Kohlsville, Washington County; Saukville, Ozaukee County; Eagle, |  | | Report (volume) | | sapphires^......... ..........._............. ...... Montana sapphires ........ ..............................sapphires ...... _........................... Yogo Gulch sapphires ............................. ............................. ................. Macon County .........._. ...........,..-...........-.............. .......... .1...................... Clay County.. ...............................................tracts...................... ......... Jackson County ................ ............................. |  | | 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 |  | | Journal (article/letter/editorial) | | in an ore vein in a remote section of central Montana is one of the most valuable gem deposits in the...in rugged Yogo Gulch, about 15 miles southwest of this small cattle town in central Montana. The search...several gold-miner ranchers found sapphires in the mounds of gophers. The stones, called Yogo sapphires...sapphires after the gulch, were mined commercially by an English syndicate and an American firm until 1929....Sapphire Village Inc., licensed to do business in Montana and California. President Herman H. Yaras of Oxnard |  | | Journal (article/letter/editorial) | | and is from the Benitoite Gem mine, San Benito County, California. The joaquinite in the center is twinned...courtesy Natural History Museum of Los Angeles County. Houghton, Michigan, proudly announced that Susan...Angeles County. Upper left: The Yogo Sapphire Butterfly; the blue sapphires, from Yogo Gulch, Montana, are...tourmalines. The eyes are red beryl from the Wah Wah Mountains of Utah. Lower left: The Rhodochrosite Butterfly;...display at the Natural History Museum of Los Angeles County is the Buzz & Bernadineâs Butterfly Brooch Collection |  | | Book | | India, Australia, Kenya, Tanzania, Montana and North Carolina (USA), Nigeria, Afghanistan, Pakistan, Laos...Bariand, Urs Zwyssig, Donna Dirlam, John Koivula, Judith Kinmond, and Rita Pascolini. A special thanks is...India 92 Sapphire - Australia 94 Sapphire - Montana, USA 96 Ruby - Kenya 97 Sapphire - Umba Valley, Tanzania...Bibliography 300 Montana, USA 300 Yogo Guieb 301 Mineralogy of the Yogo sapphire 304 Other Montana corundum localities...309 Chapter 1 History of corundum In the mountains of Serendib (Ceylon) precious stones are found |
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