 | | Journal (issue) | | Box 35565, Tucson, AZ 85740. FRONT COVER: Golden Topaz, 3.5 inches, from Katlang, Mardan District, Pakistan;...specimens from the Freilich Collection (left to right): Topaz from Dassu, Pakistan; Amethyst from Guerrero, Mexico;...Kongsberg, Norway; Powellite from Nasik, India; Blue Topaz from the Ural Mountains, Russia; Devilline from...Nuristan, Afghanistan; Neptunite from San Benito County, California; Spinel from Mogok, Burma; and Emerald...first new specimen in many years: a fine matrix topaz from Pakistan. Joe was struck by the realization |  | | Report (issue) | | Federico Pezzatta Page 26 Mount Antero: The Peak of Colorado Beryl Collecting Mark I. Jacobson Page 14 Crystal...Alexander Falster, pegmatite specialists from the University of New Orleans in Louisiana (USA), with the lowdown...pegmatites. Most ore beryl occurs in massive pegmatite zones where crystals may reach considerable size...can be found adjacent to the core margin of the pegmatite and in Suggested Chromophores for Beryl Color-generating...recorded from the Alger quarry in New Hampshire (USA). The crystal weighed 455 kilograms. 2m: The Queen |  | | 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 |  | London, D., Morgan, G. B., Paul, K. A., Guttery, B. M. (2012) Internal Evolution of Miarolitic Granitic Pegmatites at the Little Three Mine, Ramona, California, USA. The Canadian Mineralogist, 50 (4) 1025-1054 doi:10.3749/canmin.50.4.1025 | Journal (article/letter/editorial) | | PEGMATITES AT THE LITTLE THREE MINE, RAMONA, CALIFORNIA, USA David LONDON§, George B. MORGAN VI, Kerry A. PAUL...Boyd Street, Room 710 SEC, Norman, Oklahoma 73019, USA Abstract Miarolitic granitic pegmatites at the Little...Three mine property near Ramona, San Diego County, California, USA, possess a bulk composition that closely...(Swamp) dike. Fluid inclusions within quartz and topaz from miarolitic cavities of the Main dike contain...the temperatures recorded by feldspars in the pegmatite that surrounds the miarolitic pockets, then the |  | | Journal (issue) | | CONTENTS Page Feature Articles: The Coolgardie pegmatite field, Western Australia Mark I. Jacobson ......settings for diamonds, sapphires, rubies, zircon, topaz, tourmaline, garnets, quartz and many other minerals...Mineralogy Vol 3, No 2, December 1997 %e Coo(gardie Pegmatite :fie[� 'Western .9Lustrafia Mark I. Jacobson Chevron...Lafayette, LA. 70593 California, USA This n otable Australian pegmatite locality has produced a range of...the Western Australian outback, an abundance of pegmatite fields stretch from the fiercely hot and arid |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted...Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's finest ilmenite specimens |  | | Journal (article/letter/editorial) | | Mines and Minerals of the California Pegmatite Province Downloaded by [Pennsylvania State University]...of the past century, the Southern California pegmatite province has been the source of some of the world’s...of excellent specimens of morganite, aquamarine, topaz, and spessartine, and they were the first recognized...(bottom left page). Map of the Southern California pegmatite province, including location of major specimen-producing...cm tall, Fano mine, Cahuilla Mountain, Riverside County. Bryant Harris specimen. Figure 4 (top right). |  | | Book (volume) | | Eugene E. Foord U S. Geological Survey, Denver, Colorado 80225 Production editing and design Robert D...The United States Geological Survey at Denver, Colorado, contains essential information not to be had...greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...than Maine's, as well. An area smaller than Oxford County in Murmansk Ob last, Kola Peninsula, Russia, has...However, San Diego County, California, is arguably the most important gem-pegmatite district in North |  | | Journal (article/letter/editorial) | | attributes of a layered pegmatite dike from near Palomar Mountain, San Diego County, California. Note that...in composition, and for convenience, the term pegmatite will refer to those of granitic composition in...cavity (Silver Dollar Pocket) exposed at the Havey pegmatite, Maine, in October 2013; photo courtesy of Jeff...Morris; (b) elbaite in a clay-packed pocket, Havey pegmatite, showing a portion of a silver dollar for scale;...smoky quartz crystal (lower left, 28 × 20 cm) and topaz on elbaite (lower right, 7 × 4.5 cm). Volume 90 |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Denver, CO 80211 303-477-6897 (by appointment) Colorado & W orldwide Specimens The Crystal Group George...Road Colorado Springs, CO 80906 719-634-0635 (By Appt. Only) Amazonite & Smoky Quartz Fine Colorado Minerals...Minerals Genesis Epoch Mel & Pam Bersch 248 Little Park Rd. Grand Junction, CO 81503 970-242-3134 (call...1686 So. 21st Street Colorado Springs, CO 80904 719-442-6630 Producing Colorado Amazonite & Smoky Quartz |  | | Journal (issue) | | $384/three years, (Canada) $231/one year, (outside USA other than Canada) $325 for one year Subscription...ownership of a couple of famous localities: Spruce Ridge in King County, Washington (for quartz and pyrite) and...geology major, first at Adams State College in Colorado and then later in a Master’s program at the University...cm Eagle’s Nest Mine Sage Hill, Placer County California, USA Ex M. Pospisil Collection Photo Credit:...tourmaline, danburite, forsterite, fluorapatite, topaz, quartz and zircon, plus rare species like hibonite |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Bishop copper prospect near Lynch Station, Campbell County, Virginia . . . . . . . . . . . . . . . . . . ...phosphate mineral from the Gold Quarry mine, Eureka County, Nevada . . . . . . . . . . . . . . . . . . . 237...State University, 122 Steidle Building, University Park, PA 16802 814-867-6263 or 814-865-6427, E-mail:...com Colorado Chapter Order now!! Minerals of Colorado Order from: Friends of Mineralogy—Colorado Chapter |  | | Journal (article/letter/editorial) | | Copyright © 2002 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/02 $22.00 ⫹ .00 Pergamon...beryllium and the crustal Be cycle from migmatite to pegmatite JOSEPH M. EVENSEN*† and DAVID LONDON School of...Boyd Street, 810 Energy Center, Norman, OK 73019, USA (Received July 18, 2001; accepted in revised form...the final stages of the petrogenesis of granite–pegmatite systems. In combination with reported data on...Research Company, PO Box 2189, Houston, TX 77252, USA. Powders were formulated by combining mineral components |  | | Journal (issue) | | e r a lo j g ic a l Volume Eight/Number Two PEGMATITE ISSUE #1 p u b lis h e r ls * h n Q n i. • ;...Lasmanis The Clear Creek Pegmatite: A Rare Earth Pegmatite in Burnet County, Texas.....................by Anthony Robert Kampf The Harding Mine, Taos County, New Mexico......................... 115 by Richard...on one of the City or Coun ty Park Board’s geology hikes led by a park ranger. The Mineralogical Record... Iores K IO i DITOR Here it is: our first Pegmatite Issue! Actually this accumulation is a happy accident; |  | | Journal (article/letter/editorial) | | 100 East Boyd Street, SEC 710 Norman, OK 73019, USA IP T *email: jlmaner87@ou.edu CR ABSTRACT Tourmaline...hambergite, danburite, and axinite from three pegmatite dikes (named Main, US Swamp, and Spessartine)...thicker Main dike culminates in cavities containing topaz, elbaite, lepidolite, PT boromuscovite, hambergite...patterns of δ11BTur from margin-to-core of each pegmatite attest to a negligible fractionation of boron...only the bulk isotopic US composition of the pegmatite-forming melts. KEYWORDS AC CE PT ED M AN |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Michigan Correspondents Dudley Blauwet Louisville, Colorado Miguel Calvo Zaragoza, Spain Joe Polityka Staten...arc-Extension (Borough of Villeray—Saint-Michel—Park-Extension). The quarry is shown on National Topographic...Russia; St. Peters Dome, Colorado), and rarely with carbonatites (Goldie, Colorado) and sediments (Green...(Green River Formation, USA; Lake Magadi, Kenya) (Bailey, 1980). Very rarely, cryolite also occurs in hydrothermally |  | | Report (issue) | | Helpful suggestions on field occurrences and pegmatite mineralogy were received horn Dr. James J. Norton...Geological Survey in Washington, D. C., or Denver, Colorado, or from the Department of Geology and Geological...(Spessartite) Zircon (Cyrtolite) Olivine (Forsterite) Topaz Nesosilicates Sillimani te Andalusite Staurolite...prospects in the lower Ludlow lignites. Harding County: 1. Abemathyite has been identified as a component...Soluble In hydrochloric acid, yielding Custer County: 1. Allanite has been reported to occur as small |  | | Journal (issue) | | $324/three years, (Canada) $186/one year, (outside USA other than Canada) $265 for one year Subscription...retail galleries located in New York City and Vail, Colorado. www.MardaniFineMinerals.com Das Mineralreich...with tourmaline, have sustained the Golconda pegmatite field’s reputation as among the most important...districts in all of Brazil. INTRODUCTION The Golconda Pegmatite Field is a familiar name to mineral collectors...for mica produced in Minas Gerais. A rich, new pegmatite deposit in the Brazilian Golconda area, best known |  | | Report (issue) | | Pegmatite Investigations 1942-1945 Black Hills, South Dakota By LINCOLN R. PAGE and OTHERS GEOLOGICAL...pocket] PLATE 1. Index map showing locations of pegmatite mines and prospects. 2. 3. 4. 5. 6. 7. 8. 9....Ouster County, South Dakota. Detailed map, plans, and sections, Ann mica mine, Ouster County, South Dakota...Geologic map and sections Beecher Lode pegmatite, Ouster County, South Dakota. Geologic map and sections...Ouster County, South Dakota. Geologic map of the Bob Ingersoll mine, Keystone, Pennington County, South |
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Unnamed pegmatite, Spruce Grove campground, Tarryall Park, Park County, Colorado, USA