 | | Journal (article/letter/editorial) | | Museum of Nature and Science 2001 Colorado Boulevard Denver, Colorado 80205-5798 jmurphy @ dmns.org PETER...Survey MS 150, Box 25046 Federal Center Denver, Colorado 80225-0046 pmodresk @ usgs.gov Unless otherwise...to 2000) J oin us for a gemstone tour around Colorado! Our field trip takes us from east to west in...in the same way you may have toured through Colorado on a mineral collecting trip. This route, from the...gemstones are known to occur. We cannot discuss every Colorado gemstone occurrence; rather, this is a general |  | | Journal (article/letter/editorial) | | Bill Cole 408 Dickinson, Chillicothe, Mo. TURQUOISE Turquoise is a gemstone which has become very popular...general public when made up into the beautiful Turquoise and Silver jewelry of Indian design and workmanship...Western States. Turquoise is a gem whose quality and price vary as much as the Opal, the harder the stone...controlling factor in its value. As a mineral, the Turquoise is chiefly a Hydrous Copper-Aluminum Phosphate...material considerably. The specific gravity of Turquoise varies wtih the water content from 2.52 to 2.85 |  | | Report (volume) | | and sapphire are considered precious gems. Some opal is precious, but most varieties are semiprecious...streams, and eventually deposited as alluvial gravels. Opal and agate are formed from aqueous solutions. Diamonds...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: |  | | Journal (issue) | | JASPER ORBS: Formation of Unique Features Turquoise Mining ROCK & GEM ā¢ Vol. 49 No. 06 ā¢ U.S. $5.99...Enigmatic Phenomenon (Part I) 18 North Star Turquoise Joe Dehmer New, Natural and Native American...The Cover Turquoise rough recently extracted from the North Star Mine in Cripple Creek, Colorado; a specimen...Covington Engineering Corp. MONTHLY OPAL SPECIAL: CPTR18-P3oz: 3 ounce rough opal parcels from Coober Pedy. Larger...started in 1894 underground at the United Verde mine. The fire seems to have started spontaneously when |  | | Book | | often are arrested there. At the Eldorado sapphire mine in MonĀ¬ tana the action of a million years is readily...intrudes a sloping bed of limestone. As the Yogo mine has been worked at various times in the past hundred...minerals to form new compounds. It is thought that turquoise was produced by this process. In a sense this...famous was the single beryl stone found in Oxford County in Maine that weighed 18 tons and was 18 feet in...in the bed of the stream. e. If it is possible to mine the bed of the stream itself this may prove to be |  | | Journal (issue) | | PARADISE āBurtis Blueā A New Strike of Turquoise in Colorado Ancient Greece Fossils, Minerals and History...with lepidolite (5.2 cm high) is from the Jonas mine in Conselheiro Pena (Minas Gerais). (Jeff Scovil...minerals by Bob Jones Coloradoās Burtis Blue Turquoise ........... 18 a new strike at cripple creek by...retail show; LLD Productions; Holiday Inn-Orange County Airport; 2726 S. Grand Ave.; Fri. 10-6, Sat. 10-6...elbaite and the beryls, along with non-gem The Jonas mine, near Conselheiro Pena, produced huge quantities |  | | Book (volume) | | SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas... Also by Allan W. Eckert Bayou Backwaters The King Snake Blue Jacket The Owls of North America The...Southwestern Quadrant Arizoni, Arkansas, California, Colorado, Louisicna, Nevada, New Mexico, Oklahoma, Texas...Location Numbers Arizona Arkansas California Colorado 258 Louis B30 ana HOW TO USE THIS BOOK...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible |  | | Journal (issue) | | Museum (Historical Geology) Richard M. Pearl, Colorado College (Mineralogy) Kenneth Ross, Field Director...Director, Exploreās Camp, Mesa Verde, Colorado (Archeology) Arnold Goodman, Boston University (Microscopical...DIGEST Vol. Il JUNE - 1948 No. 9 Contents Colorado Mineral Localities. . The American Federation...the 13th to the 16th of this month at Denver, Colorado. For the first time, earth scientists, both amateur...HAMPSHIRE THE COLORADO EARTH SCIENCE MINERAL RICHARD Colorado Climax Molybdenum Mine. Bartlett |  | | Book (edition) | | from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...price increases, which make it more attractive to mine domestic deposits at a profit. Foreign labor is...Horensky, W. D. Hudson, Dr. J. Ingersoll, Dr. E. A. King, Jeffrey J. Kunzeman, Tom Kurupas, M. G. Laberge...PRINCIPAL GEMSTONES Diamond, Corundum, Beryl, Topaz, Opal. II 68 IMPORT ANT GEMSTONES The Feldspar Group...cut gem 4. Mounce diamond crystal 5. Gibson's Ruby mine, Cowee Creek, North Carolina 6. Corundum Hill, North |  | | Journal (issue) | | Depend ing upon yield - 30 to 50% from our rough opal - and yo ur market, prof its should not be less...cutting opal fo r profit , and WISH TO START YOUR OWN BUSINESS ask for our leaflet on how to cut opal more...2242, NORTH PARRANATTA 2151 , AUSTRALIA SEND ROUGH OPAL TO THE VALUE OF - -----------------------------...San Mateo Previouslv mentioned were the annual County. Federation Ā· convention!> and shows; Third Row...Societies. July 8 through 11: Northwest Federation of Mine ralogical Societies. Center - Trophies for the award |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | Journal (issue) | | For Your Supply of write to: Mintabie Black Opal Company P.O. Box 243-DG Epping 2121 Australia We...COVER ... I -- Pictured on our cover are a magni- County, California; Baja California and ficent faceted...specimen Gem Mine, Benitoite Mine, Gem of this material, both through the Mine and Dallas Mine have been...copyright 1981 by Harold and Erica use Gem Mine . Benitoite Gem Mine Van Pelt, Photographers, Los Angeles,...minerals, baotite and fresknown as the Sapphire Mine. Some of noite, all found in a single block of the |  | | Journal (issue) | | could be yours. We will take you to the richest opal fields in the world. \Ve can't make any guarantees...first Sapphire or unco, ering a raw hunk of fire opal. here are only two things required to make this...of ruby , sapphire, emerald, topaz, opal, lapis lazuli, turquoise, etc. However, since these are not always...was discovered within the last 6 months in Placer County, California. It was acquired by Wayne and Dona...by Nevada County, on the south observers to have an opinion or at least by Mariposa County, on the east |  | | Show/Event (guide) | | offered continuously during show hours. OF GEMS, MINE FREE BUSSES Free continuous transportation from...historical mining gallery including a reconstructed mine tunnel Off,clo/ n.aon Show Coto/01, /988 Tucson...791 -4266 or 791 -4836. Other Attractions Queen Mine Tours While in Bisbee, adventurous visitors of...for the underground tour of Bisbee's famous Queen mine. Tours are given 7 days a week. Call 432-2071 for...Transbaikalia, USSR (3 cm); Stony Point, A lexander County, North Carolina (5 cm); Mursinka, Ural Mtns., USSR |  | | Book | | The Great Opal Kelsey I. āThe Newman Flame Queenā Collection THE MAGIC AND SCIENCE... Kelsey collection the precious āThe Flame opal, for Newman, and opals of his use unique ...the press; I. bourne, William of Melbourne, King, Sir original Watkins, the Honorable and ...242 . 260 XXl. āObsidianāOnyx .... XXII.āThe Opal 276 286 Great Australian XXIII. āThe Flame ... 121 Queen XXIV. āVarious Kinds of Opal 300 .... Opal . . . XXV. āPearl 302 307 XXVI. āPearl |  | | Journal (issue) | | Famous mineral localities: the Gold Hill mine, Tooele County, Utah .....................................Wise The Wagon Wheel Gap fluorspar mine, Mineral County, Colorado .........................................33 by B. Cairncross The Jan Coetzee copper mine, Namaqualand, South Africa .......................California Santa Barbara, California 93106 The Gold Hill mine in western Utah has long been an important locality...o f this old mine. INTRODUCTION The Gold Hill mine is located in western Tooele County, Utah, in the |  | | Journal (issue) | | Artisan GEMS CARVING A NICHE p.14 KNOCKOUT GARNET MINE TO MAKER PLU S : Ā Beach Pendant Ā DIY Texture Stamp...515 Narragansett Park Drive, Pawtucket, RI 02861 USA $289.90 Contents Fall 2021 ā¢ Volume 75, Number...TRAVELS OF A TSAVORITE A gemstoneās journey from mine to maker materials feature by Jim Landon 74 SEASHORE...Necklace 22K, 18K, sterling silver, Mexican fire opal, jade, zircon, diamond Michael Boyd Rings 22K,...silica, aquamarine, lapis, Lightning Ridge black opal, purple chalcedony, black diamonds PHOTO: STEVE |  | | Journal (issue) | | Brizzi The Alice Glory Hole, Clear Creek County, Colorado ................................185 by T....M. Kohler & L. Minnaar Garnet Hill, White Pine County, Nevada .........................................Harris Monazite and caldoancylite from the Foote mine, North Carolina by J. S. White & J. E. Nelen 203...(1 inch) on antlerite crystals from the Southwest mine, Bisbee, Arizona. For more information on this recent...85745 CALL FOR PAPERS: FM COLORADO CHAPTER SYMPOSIUM, AUGUST 1988 The Colorado Chapter of the Friends of |
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