 | | Journal (article/letter/editorial) | | COLORADO TOPAZ Topaz, Al Si0 (F,OH) is one of Colorado's better known gem minerals. Though ColĀ orado...(PJM), 975 (TCM) Box 25046, Federal Center Denver, Colorado 80225-0046 A ccording to Cross and Hillebrand...discovery of Colorado topaz was made about 1880 by a Mr. Thiebald,* "a prospector of Colorado Springs."...area. The largest fine-quality topaz specimens in Colorado occur in several separate and distinct localities...large (1,080 mi ) and well-exposed Pikes Peak batholith. The batholith, slightly more than 1 billion years |  | | 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) | | from the summit of Pika Peak looking northwest acro88 the cliffās of Glen Cove to South Park and the Tarryall...northeasterly-trending continentul Figure 2. Geologic map of the Colorado Front Range showing the Precambrian metamorphic...formbasin was established in the southeril Pikes Peak Batholith. Adapted by the author from Reed, Bickford...Karistrom 1978; Lanthier 1978). Farther south in Colorado, sediments accumulated in decper-water rocks formed...Survey into āEarly, Middle, and Lateā Eras. In Colorado we because of the subsequent folding and overthrusting |  | | Journal (issue) | | Microminerals from Pegmatites in the Pikes Peak Batholith, Central Colorado Daniel E. Kile Research Associate...Nature & Science 5176 Black Bear Run - Littleton, Colorado 801215 Email: centennial87@comcast.net were sparse...number of localities throughout the Pikes Peak batholith in central Colorado, and many of them provide spectacular...the interest in this region lies in commercial amazonite collecting; very few study the more esoteric aspects...found in pegmatites in the Pikes Peak batholith (PPB) in central Colorado. Although some minerals, such |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur..................................203 R. Barnes Pikes Peak Granite........................................SPECIMENS from the collection of the Geology Museum, Colorado School of Mines. See page 242 for a full description... All rights reserved. notes fromthej EDITOR COLORADO-III Here we are with our third special issue devoted...devoted to the mines and minerals of Colorado. As most long-time subscribers know, the first in the series |  | | Journal (article/letter/editorial) | | Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...and J. A. MurĀ phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body...body of literature. The first published list of Colorado mineral localities (inĀ cluding quartz) was included |  | | Journal (article/letter/editorial) | | Tree Root Pocket, Two Point claim, Pikes Peak batholith, Teller County. The Collectorās Edge specimen, Jeff...Mail Stop 150, Box 25046 Federal Center Denver, Colorado 80225 pmodreski@usgs.gov C olorado is, of course...been written as guides to mineral collecting in Colorado. A classic, which went through three major editions...1951 version with a slightly different title), is Colorado Gem Trails and Mineral Guide, by Pearl (1951,...up-to-date guidebook to the stateās minerals is Colorado Rockhounding, by Voynick (1994). Other published |  | | Journal (article/letter/editorial) | | was born in Missouri in 1903. We first came to Colorado in 1908, but I donāt remember much about that...several times in the next few years. When visiting Colorado, my family always stayed at the Iron Springs Chateau...those in my cabinet. In 1920, when we moved to Colorado Springs from Missouri, a friend, about my age...agates and carnelian from Austin Bluffs here in Colorado Springs. Shortly after that I met Willard Wulff...Museum of Nature and Science 2001 Colorado Boulevard Denver, Colorado 80205 Unless otherwise noted, all |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan Whatās new in Colorado minerals? ......................................of Colorado ..................................349 by J. A. Murphy Amazonite from the Pikes Peak batholith...COVER: AMAZONITE with smoky quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard...Natural History for conceiving the idea of a second Colorado issue and for helping a great deal in bringing |  | | Journal (issue) | | 2008 Table of Contents Collecting Minerals in Colorado - Peter Modreski ...........................Pg...Mining Update .......................... Pg. 20 Colorado Fossil Woods - Frank Daniels ...................on collecting minerals in Colorado by Pete Modreski, the informative Colorado petriļ¬ed wood article by...the magazine so you get your very own copy! Colorado Minerals is the theme of the 2008 Denver Gem and...Pike National Forest. Famous areas within the batholith noted for their concentration of pegmatite dikes |  | | Report (issue) | | Denver, Colorado, USA Ā© 2011 by Lithographie, LLC P.O. Box 11613 ā¢ Denver, CO 80211 ā¢ USA Phone 1.303...Topaz ALFREDO PETROV & JOHN RAKOVAN 34. Colorful Colorado DAVID W. BUNK 42. Mongolian Topaz: The Gorkhi...and quartz, 5.3 cm tall Sawtooth Mountains, Boise County, Idaho shown under longwave ultraviolet light (left)...fluoresces brightest under longwave light at 350 nm (peak at about 352 nm). Don Newsome collection Jeff Scovil...Province, Afghanistan; San Diego County, California, and Thomas Range, Utah, USA Associated Species: In topaz |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 May 2014 PICK&PACK Vol 54 ....... Number 4 CSMS...3 Girl Scouts & Clarence Coil Pg 5 Pioneer Colorado Minerals Pg 9 Florissant Fossil Beds Summer...11 Classified Pg 10 COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO May 2014 PICK SPRINGS...Senior Center is located at 1514 North Hancock in Colorado Springs. For more information on any of the sub-groups...Other Events of Interest to CSMS Members May 3, Colorado Mineral Society Silent Auction, Holy Shepherd |  | | Journal (article/letter/editorial) | | Denver, Colorado MARK I. JACOBSON Chevron U.S.A., Inc. 700 S. Colorado Boulevard Denver, Colorado 80222...sponĀ sored by the Coors Foundation of Golden, Colorado, and repreĀ sents a significant improvement over... Crystal displays and mineral occurrences of amazoniteāsmoky quartz and selenite-calcite-aragonite as...expanded exhibits of minerals for which Colorado is famousāamazonite, aquamarine, rhodochrosite, topaz, and...its role in providing educaĀ tional tours for Colorado school children. Plans are also proĀ gressing |  | | Journal (article/letter/editorial) | | CLAYS IN MIAROLITIC CAVITIES OF THE PIKES PEAK BATHOLITH, COLORADO DANIEL E. KILEĀ§ U.S. Geological Survey...Survey, 3215 Marine Street, Suite Eā127, Boulder, Colorado, 80303, U.S.A. ABSTRACT Clay samples from 105...granitic pegmatites throughout the Pikes Peak batholith, in Colorado, were analyzed by powder X-ray diffraction...minerals in miarolitic cavities within the Pikes Peak batholith. Keywords: smectite, illite, kaolinite,...granitic pegmatite, clay minerals, Pikes Peak batholith, Colorado. SOMMAIRE Des Ć©chantillons provenant |  | | Journal (article/letter/editorial) | | collecting at the Glen Cove area, was written in the mid-1970s by long-time Colorado mineral collector...1990 newsletter of the Friends of Mineralogy, Colorado Chapter. It is reproduced here, after minor editing...knowledge, the first discovery of topaz at Glen Cove on Pikes Peak was made above timberline by Luther McKnight...excited group found a pegĀ matite pocket of mottled amazonite crysĀ tals. No more topaz was found that day....1945 O. A. Reese and Clarence Coil returned to Glen Cove to find some good amazonstone crystals, and near-tragedy |  | | Report (issue) | | Prepared in cooperation with the Colorado Geological Survey for the United States Department of Agriculture...Service Development of Industrial Minerals in Colorado Circular 1368 U.S. Department of the Interior...Survey Development of Industrial Minerals in Colorado By Belinda F. Arbogast, Daniel H. Knepper, William...John S. Dersch Prepared in cooperation with the Colorado Geological Survey for the United States Department..., 2011, Development of industrial minerals in Colorado: U.S. Geological Survey Circular 1368, 87 p. Library |  | | Journal (issue) | | I. Jacobson, Denver, CO Anthony R. Kampf, l.A. County Museum of Natural History, CA Virgil W. Lueth,...across a local area net\,vork. Subscription offices: USA/North America: Taylor & Francis Group, LLC, 530 Walnut...Copyright Clearance Center (www.copyright.com) in the USA or the Copyright Licensing Agency (www. cla.co.uk)...Brazil: At the Natural History Museum of Los Angeles County, Carl A. Francis and Aaron Celestian 89 Who's...cm high, Himalaya mine, Mesa Grande, San Diego County, California; E: Tourmaline, 13.8 cm, Madagascar; |  | | Book | | 193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73 |  | | Journal (issue) | | severalof the Arkansas antimonymines in Sevier County,Arkansas (Smithand Staszak, 1996).This districtis...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 E-mail: lream@comtch.iea.com...Fresnoite find at the Junnila Mine, San Benito County, California Scott Kleine 3895 Lisa CT, Apt C Reno...on the Junnila Property, located in San Benito County, California. This mine was formerly known to have...minerals occur, with most quartz, localities, Magnet Cove., etc., only $14.95 plus $2.00 s&h, order from LR |  | | Book (volume) | | SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas...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...for the county in which it is located. This site number also appears under the given county in the text |  | | Book (volume) | | 56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache...James D. Lindberg, Las Cruces, NM; Jack Lowell, Colorado Gem & Mineral Co., Tempe, AZ; Steven & Lorna Lukinuk...Resources, Vancouver, BC; Barbara L. Muntyan, Ouray County Historical Society, Ouray, CO; Merrill O. Murphy |  | | Journal (issue) | | Menzies Pink topaz from the Thomas Range, Juab County, U ta h .........................................to Uli c/o Martin Zinn, P.O. Box 2433, Evergree Colorado 80439. I The Mineralogical Record, volume 26,...Geofil - Portugal Geological Centre - Holland Glacier Peak Art, Gems & Minerals Gladwell, Jon Good Earth Minerals...Chilon, Nerchinsk district, Siberia. 12 = Nathrop, Colorado. 6 The Mineralogical Record, volume 26, January-February...(c) Continental M argin Arc: Peninsula Ranges Batholith, California; Back Arc: Western U.S., northern | | | Book (volume) | | rhoColorado; eolorless scheelite (19.66 cc), Kern Cowny, California;...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache...James D. Lindberg, Las Cruces, NM; Jack Lowell, Colorado Ge1n & Mineral Co., Tempe, AZ; Steven & Lorna...Resources, Vancouver, BC; Barbara L. Muntyan, Ouray County Historical Society, Ouray, CO; Merrill 0. Murphy |  | | Book (volume) | | Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken...Roebling opal An amazonite crystal (color) An orthoclase crystal Map of Amelia, Va. An amazonite pegmatite Dr...basalt 204 Turquois jewelry 209 Turquois 201 Ithaca Peak 22st Himalaya Turquois Mine 22 A variscite nodule...in the small cavities in limestone in Herkimer County, New York, only one quartz crystal may be found |  | | Book | | indebted. Appreciation is also expressed to Dr J. Arem, USA; Sr Carlos Barbosa, Brazil; Professor J. Cassedanne...Canada; Mr T. Michalski, USA; Mr J. Murphy, USA; Dr F. Pough, USA; Mrs K. Robertson, USA; Dr W. Sersen, Thailand;...Thailand; Mr M. Sonsthagen, USA; A. Theisen, USA; John White, USA; and many others in the trade who assisted...throughout the world. Brown - topaz rhyolites in western USA, and Mexico. Many pegmatites throughout the world...weight of 300 kg, is from the Brown Derby mine, Colorado, USA (Rosenberg,1972; Staatz and Trites, 1955). This |
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