 | | Journal (article/letter/editorial) | | Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...associations of quartz found throughout the state rank it as one of the premier worldwide localities for that...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...for about 750 known mineral species.* Of these, quartz is one of the most desirable from a collector's...to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS & MINERALS Quartz was a familiar |  | | Journal (article/letter/editorial) | | smoky quartz miarolitic pockets beneath the pegmatite ledges. Typically, the pockets in this area have...4). It was hoped that by drilling and blasting, crystal pockets underneath the ledges would be uncovered...the mine. Figure 1. Overview of level 2 pocket area. 46 ROCKS & MINERALS Location and Geology The...of the Crystal Peak area, north of Lake George, Colorado. The claim itself is in Teller County near the...the Park County border. The mine is an open pit with four levelscarved into the hillside. Level 2, where |  | | Journal (article/letter/editorial) | | the summit of Pika Peak looking northwest acro88 the cliff’s of Glen Cove to South Park and the Tarryall...Ihe Pikn P c i l Balhdilh dates for rocks in this area rnngc from I .7 to I .8 billion years. The zone...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 |  | | Journal (issue) | | England Richard C. Erd U.S. Geological Survey Menlo Park, CA Donald R. Peacor University of Michigan Ann...R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...............................203 R. Barnes Pikes Peak Granite......................................217...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 |  | | 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 |  | | Book (edition) | | COLO RAD O GEM T RAILS t.lilky quartz crystals, Ow-ay. Katherine H . Jensen. AND MINERAL GUID E RICHARD...MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¥em and mineral collecting tour 01 Colorado, revealing the interesting places where Nature...Swallow, Publisher) 2679 South York Street Denver, Colorado 80210 - , =· - ·, BOOKS BY RICHARD M. PEARL...Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak Region Seven Keys to |  | | Book (edition) | | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■: ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Mineral Guide Colorado Rocks, Minerals, Fossils America’s Mountain: Pikes Peak and the Pikes Peak Region American...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL |  | | Journal (issue) | | - - - - - - - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December...at www.MineralogicalRecord.com Frontcover Smoky quartz with amazonite, 11.8 cm, from the "Smithsonian..."Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; Dorris Family collection; Jeff Scovi...certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This special supplement...Collecting in Colorado The Collections: Mel & Pam Bersch Ryan Bowling Ralph Clark Colorado School of Mines |  | | Journal (article/letter/editorial) | | l - -crystal fl—fluoresces xled- -crystallized ALABAMA — "Although very common for that area, we recently...the old open pit Sodium Sulphate mine in Imperial County near BertROCKS AND MINERALS ram siding on the...California collectors do not appreciate them. COLORADO—"I am sending you some specimens by P.P.—thought...has been found and reported from the Crystal Peak area of Colorado and I have also found it there but only...over 30 years of prospecting the pegmatite of this area this is the only pocket that has produced any groups |  | | Journal (issue) | | on Amazonite 7.5 cm, from the Smoky Hawk claim, Colorado. Collected by the Dorris family; Tom Spann photo...Bacher; Reinhold Bacher photo. Fluorapatite, 3.3-cm crystal, from the Pulsifer quarry, Maine. Collected by...own favorite experiences is gazing raptly into a crystal pocket just after it has been opened, and all the...classic locality for spectacularly large apophyllite crystal clusters, which still rank as some of the largest...June a heavy rain revealed that this mineralized area contained prehnite balls (exceeding 1 inch in diameter) |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ......................................of Colorado ..................................349 by J. A. Murphy Amazonite from the Pikes Peak batholith...AMAZONITE with smoky quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar...invaluable reference which should provide us with crystal draw ings to illustrate articles for centuries |  | | Book | | vugs of crystalline talc. Easily the best extant crystal, a doubly terminated floater found in a talc vug...AFRICA widely in Litchfield County, where good crystals were taken from quartz veins in a variety of metamorphic...Litchfield, where a mass of white quartz on a ridge had once been mined for quartz, and large ilmenite masses...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns |  | | | | Associate Professor Lamar University HIGHLAND PARK QE 365 T37 1973 _ Photographs by Werner Lieber...1973 Published by Sterling Publishing Co, Inc. 419 Park Avenue South, New York 10016 British edition published...minerals making up igneous rocks are the silicates: quartz, feldspars, micas, augite, horn¬ blende, and olivine...olivine. In sedimentary rocks, clay minerals,_ quartz, feldspars, calcite, and micas are abundant. However...that is, chemical formula, physical properties, crystal system, and most important to you as a collector |  | | Book (edition) | | Published by Sterling Publishing Co, Inc. 419 Park Avenue South, New York 10016 British edition published...minerals making up igneous rocks are the silicates: quartz, feldspars, micas, augite, hornblende, and olivine...olivine. In sedimentary rocks, clay minerals. quartz, feldspars, calcite, and micas are abundant....is, chemical formula, physical properties, crystal system, and most important to you as a collector...(4) fluorite; (5) apatite; (6) orthoclase; (7) quartz; (8) topaz; (9) corundum; (10) diamond. This means |  | | Book (volume) | | ...........................................47 Colorado ..............................................................................458 Appendix B - Quartz Family Gemstones ................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...includes granites, schists (mica, garnet, graphite, quartz), and gneisses, as well as numerous granite pegmatites...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham |  | | Book (volume) | | ...........................................47 Colorado ..............................................................................460 Appendix B - Quartz Family Gemstones ................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...includes granites, schists (mica, garnet, graphite, quartz), and gneisses, as well as numerous granite pegmatites...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham |  | | Book (volume) | | variety and wealth of locality information concerning quartz gemstones are recognized in a separate chapter...Isle Royale National Park were rendered by Superintendent John G. Lewis and Park Historian Lloyd Abelson...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...deposits. Permission to visit other mines in the Pala area was kindly granted by Charles Reynolds of Lilac |  | | Book (volume) | | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map ........................................................33 Arizona – Maricopa Co. Morristown area Site Map ...................................... |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Journal (issue) | | England Richard C. Erd U.S. Geological Survey Menlo Park, CA Steven R. Morehead Riverside, CA Donald R. Peacor...by J. P. Cassedanne & J. Alves Crystallized rose quartz from Alto da Pitora, M inas Gerais, Brazil ......cm tall, and came from the Eureka mine, Tuolumne County, California. The specimen, now in the Smithsonian...International & The Collector 912 So. Live O ak Park Road Fallbrook, California 92028 Tel: (619) 728-9121...rz g e b irg e w as a fa v o rite co l lectin g area. In te rm s o f sp e cim en q u a lity R ic h te |  | | Journal (issue) | | England Richard C. Erd U.S. Geological Survey Menlo Park, CA Steven R. Morehead Riverside, CA Donald R. Peacor...by J. P. Cassedanne & J. Alves Crystallized rose quartz from Alto da Pitora, M inas Gerais, Brazil ......cm tall, and came from the Eureka mine, Tuolumne County, California. The specimen, now in the Smithsonian...International & The Collector 912 So. Live O ak Park Road Fallbrook, California 92028 Tel: (619) 728-9121...rz g e b irg e w as a fa v o rite co l lectin g area. In te rm s o f sp e cim en q u a lity R ic h te |  | | Book | | information b Book review c Crystal morphology information d Crystal drawing ff Continues on following...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 |  | | Journal (issue) | | England Richard C. Erd U.S. Geological Survey Menlo Park, CA Donald R. Peacor University of Michigan Ann...Three Articles The Tonopah-Belmont mine, Maricopa County, A rizona by G. B. Allen & W. Hunt 139 James...from the Table Mountain lava flows near Golden, Colorado ................................................ANGLESITE from the Touissit mine, Morocco. The large crystal measures 4.5 cm. This is one of the specimens stolen...Mineral, Tokyo, is issuing a new publication entitled Quartz, mostly in Japanese but with some English translations |  | | 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...from government sources in the form of detailed area reports and corresponding geological maps. I have...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 |  | | Book (edition) | | from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...are so widespread, as in the case of the alluvial quartz gemstones of the Midwest, that it is impossible...formations containing cryptocrystalline varieties of quartz, such as agate and petrified wood, extend over...(V esuvianite), The Garnet Group. 199 246 III QUARTZ FAMILY GEMSTONES IV RARE AND UNUSUAL GEMSTONES...Star of Arkansas crystal 3. Star of Arkansas marquise cut gem 4. Mounce diamond crystal 5. Gibson's Ruby |
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