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| 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...of localities throughout the Pikes Peak batholith in central Colorado, and many of them provide spectacular...found in pegmatites in the Pikes Peak batholith (PPB) in central Colorado. Although some minerals, such...be a compilation of all the known species in the area, but rather a portfolio of some of the more interesting |
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| Root Pocket, Two Point claim, Pikes Peak batholith, Teller County. The Collector’s 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 state’s minerals is Colorado Rockhounding, by Voynick (1994). Other published |
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| 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 |
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| 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 |
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| 10 October 2014 Helen Hunt Falls, El Paso County, Colorado O wing to its diverse paragenesis and resistance...zircon localities is quite long. The Pikes Peak region of Colorado has been a historical source of exceptional...earths and commonly typified by somewhat radial crystal aggregation is known as “cyrtolite,” once considered...zircon crystals from Helen Hunt Falls, El Paso County, Colorado. Dave Bunk specimen, Jeff Scovil photo. Volume...El Paso County, Colorado. Dave Bunk specimen, John Smolski photo. Figure 2. Zircon crystal, 3.3 × 2 |
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| ...........................................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 ...................................... |
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| 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 |
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| EARTH’S TREASURES • MINERALS AND JEWELRY PIKES PEAK MINERALS A Museum Display R&G KIDS Fossil Sand...Collectors CAMEOS Ancient and Contemporary Carvings CRYSTAL SKULLS Modern Art or Genuine Artifacts? www.rockngem...STAINLESS STEEL CABBING UNIT This machine is made in the USA for Kingsley North. Features an all stainless steel...displays in the Pikes Peak Historical Society Museum, in Florissant, Colorado, include the area’s minerals...fluorite is from a claim near Crystal Park, Colorado, at the base of Pikes Peak. (Jeff Scovil photo/ Collector’s |
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| ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |
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| ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |
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| 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 |
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| 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 |
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| 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...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John...invaluable reference which should provide us with crystal draw ings to illustrate articles for centuries |
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| Denver, Colorado, USA © 2011 by Lithographie, LLC P.O. Box 11613 • Denver, CO 80211 • USA Phone 1.303...Topaz ALFREDO PETROV & JOHN RAKOVAN 34. Colorful Colorado DAVID W. BUNK 42. Mongolian Topaz: The Gorkhi...and chromium can substitute for aluminum in the crystal structure. Ideal "fluortopaz" (Al2SiO4F2) would...lighter and larger than fluorine. Crystals and Crystal Structure Crystals are orthorhombic and are typically...dipyramidal with point group symmetry 2/m 2/m 2/m. Crystal structure consists of layers of oxygen, fluorine |
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| essentials of crystallography, chemistry, and crystal structure. These provide a firm basis for discussion...crystallography at the beginning of the text, crystal systems and associated conventions and terminology...minerals in order to avoid those lamentable errors in crystal forms and colors which are instantly apparent to...slightly reduced, and a few enlarged, as the diamond crystal of Plate 1, depicted in both natural and greatly...definition of the terms 'mineral', 'rock', and 'crystal' cannot be avoided at this stage. A rock is an |
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| 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 |
 | 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). |
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| 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) |
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| Petrified Forest Trails Arizona Gem Trails and the Colorado Desert of California High Tension (A Biography)...\merica Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho...archaeologists working in the remote Lake Rudolf area of Africa's Kenya found shaped stone implements...chert, flint, jasp-agate, jasper, quartzite, rock crystal, amethyst, chrysoprase, opal, etc.), serpentine...clear red carnelian, purple amethyst, and rock crystal-all mounted in heavy gold settings that were further |
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| vugs of crystalline talc. Easily the best extant crystal, a doubly terminated floater found in a talc vug...long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...historian-collector William J. Brunet set out to trace three ilmenite occurrences mentioned in late 19th-century literature...ridge had once been mined for quartz, and large ilmenite masses could be seen on the old dumps. In 1975-1976...Brunet collected sharp, black, flattened hexagonal ilmenite crystals to 7 .5 cm in matrix of massive quartz |
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| Cover 3. Diamond. Curve faced rhombododecahedral crystal (7 mm). Specimen 19 from collection of Almazy ...Bogomolov. Cover 4. Marialite. Kukurt, EPamirs. Large crystal 5cm MIL Specimen: A.M. Skrigitil'. Photo: M. Leybov...animals "[3]. Ontogenic point of view. A growing crystal is a system, and, although not living, it is self-organizing...From the ontogenic point of view each natural crystal is considered a separate specient of the mineral...and dendrites? From what moment does a splitted crystal cease to be Nate: "- St. Petersburg University |
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| at the outstanding shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections...Los Angeles, California, E. M. Gunnell, Denver, Colorado, Specimen Minerals, Ltd., Woodville West, South...compound names • Major mineral classes CHAPTER 4 CRYSTAL GROWTH 57 Crystals from melts, solutions and...crystals • Internal imperfections of crystals • Crystal and aggregate habits • Twinning CHAPTER 5 GEOMETRY...of crystallography • Cell shapes and systems • Crystal axes • How faces are related to axes • Axial ratios |
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| the out- standing shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections... Denver, Australia, MinMassa- California, Colorado, Gregory, Speci- Bottley England, and others...compound names - Major mineral classes CHAPTER 4 CRYSTAL GROWTH bi Crystals from melts, solutions and...crystals - Internal imperfections of crystals - Crystal and aggregate habits Twinning CHAPTER 5 GEOMETRY...of crystallography - Cell shapes and systems - Crystal axes - How faces are related to axes - Axial ratios |
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| the use of polarizing plastic film for testing crystal fTagments introduces concepts of oplical mineralogy...the outstanding sho,vs of the annual San Diego County Fair at Del Mar, California. In addition, the collections...Angeles, California, E. l\lf. Gunnell, Denver, Colorado, Specin1en Minerals, Ltd., Woodville \Vest, South...compound names • Major mineral classes CHAPTER 4 CRYSTAL GROWTH 57 Crystals from melts, solutions and...crystals • Internal imperfections o f crystals • Crystal and aggregate habits • Twinning CHAPTER 5 GEOMETRY |
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| interesting radioactive minerals from the Bancroft area, Ontario .........................................mine near Magdalena, Sonora, Mexico. The large crystal is 28 mm across. Collection of Gerhard Becker;...Lesnick, The Lesnicks (Wantagh, NY) Jack Lowell, Colorado Gem and Mineral (Tempe, AZ) Nathan and Gloria...Enchanted Mesa Minerals (Belen, NM) Paul Otto, Crystal Showcase (Albuquerque, NM) Pala Properties International...Graeber, et al. (Fallbrook, CA) Tom and Gale Palmer, Crystal Cavern Minerals (El Paso, TX) The Mineralogical |
