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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...Pikes Peak Granite within the Pikes Peak batholith, in an area north of Florissant in Teller County, taken |
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| December 2012 Flgun 1. View from the summit of Pika Peak looking northwest acro88 the cliffâs of Glen Cove...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 âEarly, Middle, and Lateâ Eras. In Colorado we because of the subsequent folding and overthrusting |
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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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| COLORADO TOPAZ Topaz, Al Si0 (F,OH) is one of Colorado's better known gem minerals. Though Col 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."...have been in the Crystal Park area. The largest fine-quality topaz specimens in Colorado occur in several...within the large (1,080 mi ) and well-exposed Pikes Peak batholith. The batholith, slightly more than 1 billion |
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| the regular cavities left by the removal of a crystal from its matrix (molds), since these are voids...preserved, whether this surface be a euhedral crystal form or the irregular bounding surface of an embedded...this be the equal volume replacement of a single crystal or of a rock mass on a geologic scale. The condition...a regular cavity left by the dissolution of a crystal are classed as infiltration pseudomorphs. There...Carolina). Chalcedony after interstices from Chester County, Pa., has been described by Vaux, G., 1935] |
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| ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map ................................................................................49 Arkansas County Map .......................................... |
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| 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...devoted to the mines and minerals of Colorado. As most long-time subscribers know, the first in the series |
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| 9. 10. 11. 12. Camp Bird mine, Ouray Co., Colorado Choice rich brassy-golden 5x5 to 5x7 ~n masses... 2xl-3/4xl/2" $85.00 Idarado mine, Ouray Co., Colorado Choice golden thin polished slice in pale milky...2x3-3/4xl/8" $ 150.00 Caribou mine, Ouray Co., Colorado Superb rich orassy-golÄen fine grained 4CJx70...dark tan modified cubic crystals to twinned cubic crystal groups. The selections shows many of the typical... '>(30. ALTAITE Klondike mine, Saguache Co., Colorado Choice bright silvery metallic cleavages covering |
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| â _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! â : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Mineral Guide Colorado Rocks, Minerals, Fossils Americaâs 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 â
COLORADO GEM TRAILS AND MINERAL GUIDE â
SKETCH MAPS BY MIGNON WARDELL PEARL |
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| 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. Mur 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 (in cluding quartz) was included |
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| 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...Atlas of Colorado American Gem Trails Nature As Sculptor: A Geologic Interpretation of Colorado . Scenery |
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| lustrous white crystals and crystal rosettes covering irregular limonite matrix. 2x3xl-1/4" $ 25.00 ...Choice dark blue 3 to 5 mm terminated crystals and crystal sections on black hornblende and dark brown sphene... 7. 8. and crystal $ 9.50 BARITE Muddy Creek, Summitville, Rio Grande Co., Colorado Superb single...BARITE Hartsel, Colorado Choice pale blue to milky white elongated terminated crystal with unusual parallel...parallel growth and minor thin crystal faces. 1-1/2x2-1/4x3/4" $ 25.00 crystal with lustrous single white |
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| milky quartz crystal section. 2x3 11 $25. 00. 5. AMAZON ITE Crystal Peak, Telle1- Co., Colorado Superb deep...flattened tenninated crystal section with minor œ11 to 3/4 11 partially terminated crystal intergrowths. l-3/4x3x3/4...pale pink to transparent milky while hexagonal crystal with minor .1;11 to œ" silvery muscovite mica plates...mine, North Carolina Rich bright green 3x10 mm crystal section imbedded and black biotite matrix. 2œx3x...2x2œx1 11 $12.50. elongated 1985 termina ted crystal. ARAGON ITE Mai den Rock mine, Mel rose, Montc |
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| DESIRED PLEASE SEND THEM I N . Abbreviation*: xlâcrystal xledâcrystallized flâfluoresces ARIZONA â The...other. Wynne, in southern Cross County, is in eastern Arkansas. COLORADOâA loose but beautiful bright green...green amazonstone (amazonite) crystal was sent in by Crystal Gallery, 20 South Garrison, Linwood, Colo...listed in our December R&M ad." ânote with the crystal. To add to its attractiveness the crysinch tal..."Amazonite. Crystal Peak, Florissant, Teller Co., Colo."âon label. Florissant, in western Teller Co., is |
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| laterites, the upper or limonite zone and the lower or saprolite zone. In the limonite zone Ni is contained...MineralCorp. specimenand image. Bibliogra-phy of Colorado Mining History Fig. 3: A close-upview (about...imprisonment for not more than six months in the county jail for any violation of the Act. As it appears...the hard to obtain Vol. 1, No. 1, Tsumeb, the Colorado I, Gold I, 5 Arizona issues, Silver issue, and...Lizard Mine, San Juan County, Utah, and the Burro Mine, San Miguel County, Colorado, USA Canadian Mineralogist |
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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 variegatedâŻocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.âŻgemmy |
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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 variegatedâŻocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.âŻgemmy |
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| inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite encrusted with...Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on edge; collected... FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...locations in Mexico; in Elmwood, Smith County, Tennessee, and in Hardin County, Illinois, in the United States;...eastern Russia. It also occurs in many localities in Colorado, where it is found in colors ranging from pale |
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| at 10:10 25 August 2017 Abbreviations: x l - -crystal flâfluoresces xled- -crystallized ALABAMA â "Although...the old open pit Sodium Sulphate mine in Imperial County near BertROCKS AND MINERALS ram siding on the...California collectors do not appreciate them. COLORADOâ"I am sending you some specimens by P.P.âthought...has been found and reported from the Crystal Peak area of Colorado and I have also found it there but only...rather than from Mn. There were also slabs of limonite of bands of brown and ocher-yellow which looked |
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| Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan Whatâs 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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| - - - - - - - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December..."Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; Dorris Family collection;...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...Thompson George Witters Martin Zinn III and Colorado in the :Mineralogical Record Supplement to The |
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| Carlson, Mark J. Elder, Audrey E. Smith P.O. Box 234 Crystal Falls, Michigan 49920 shawncarlson@hotmail.com...Dam gold prospect is located in central Dickinson County, Michigan, approximately ten kilometers north of...the dominant exposed bedrock in this part of the county. Excavated near the tum of the 20th century, the...obvious even when visiting some of the Garland County mines. I also planned to do some Magnet Cove collecting...quartzite bluffs. In 2005, two noteworthy quartz crystal pockets were discovered approximately 210 meters |
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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...cleaned off the thaumasite to expose the entire crystal. It is free of damage thanks to the protective |
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| that is, chemical formula, physical properties, crystal system, and most important to you as a collector...which we cannot possibly deal with at length hereâ crystal structure. Crystallography is a whole subÂŹ division...the mineral as well as to reveal characteristic crystal shapes and forms. | The atoms making up minerals...the material to develop into crystals. What is a crystal? Merely a solid body, often displaying plane natural...balance. Growing space is usually limited and crystal growth frequently is hindered. Consequently, minerals |
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| 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 |
Crystal Peak, Teller County, Colorado, USA