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| Barnes Whitmore Operator of the Crystal Peak Gem Mines, Teller, Colorado Mark Ivan Jacobson markivanjacobson@gmail...Whitmore is remembered in Colorado as the owner and operator of the Crystal Peak Gem Company, which distributed...distributed uncounted crystal specimens of amazonite - a blue-green colored microcline, and smoky quartz...final hospitalization in 1938. The less than 50 Crystal Peak Gem Company stock certificates that are known...various times in Ohio, Iowa and Illinois. Moving to Colorado In July 1875 Albert Whitmore at the age of 21 |
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| IVAN JACOBSON 1714 S. Clarkson Street Denver, Colorado 80210 markivanjacobson@gmail.com No pegmatite...attractive icing on the more spectacular crystals of beryl, topaz, and tourmaline. Even the common minerals...cube of fluorite hanging from a crystal face or nestled on a crystal druse. Figure 2. Index map showing...Granite, near Red Stone quarry, Conway, Carroll County, New Hampshire. Henry Minot specimen and photo...significance Crystal Peak, Teller and Park counties, CO, USA Crystal ParkâBear Creek, El Paso County, CO, USA |
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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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| important miner in the Crystal Peak area north of the town of Florissant in Colorado. In addition to being...being a prospector, miner, and operator of the Crystal Peak Gem Mines, he also mentored others who succeeded...including Jerry Hurianek, whose longtime activities in Colorado are documented in t\vo of his unpublished articles...Minerals in 1938 about finding smoky quartz in the Crystal Peak area (Hurianek 1938). Jerry, in turn, passed...mind, among the finest ever collected from the Crystal Peak area. At that time it was offered at $5,000; |
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| abandoned mine sites in the mountains of central Colorado. A unit of SRM 2780a consists of approximately...6 (Right) - Sheet Copper â Flambeau Mine (Rusk County, WI) Figure 2âDr. Weisâs Personal Memorabilia...Figure 7âManganoan Calcite â Montreal Mine (Iron County, WI). Figure 3 (left) - âWonderful World of Agatesâ...mineral specimens from the Montreal Mine (Iron County, Wisconsin). Most of the specimens came from the...An unusual specimen from the Flambeau Mine (Rusk County, Wisconsin) is a sheet copper (figure 6). One of |
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| Root Pocket, Two Point claim, Pikes Peak batholith, Teller County. The Collectorâs 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 stateâs minerals is Colorado Rockhounding, by Voynick (1994). Other published |
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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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| 04:13 19 December 2014 Mount Antero, Chaffee County, Colorado A s virtually every collector knows, many...and some districts, such as those in San Diego County, California, and many of those in Minas Gerais...Beautiful specimens of variously colored tourmaline, beryl, and spodumene from such occurrences grace many...aquamarine localities, Mount Antero, Chaffee County, Colorado, was highlighted by Jacobson and Lees (2008)...veins. Commonly associated minerals are topaz, beryl, Dr. Robert B. Cook, an executive editor of Rocks |
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| OPALS ⢠AOATI ⢠⢠AMETHYST URINE ⢠⢠BERYL MOONSTONE CITRINE GEM HUNTERS GUIDE by Russell...methods and by checking their color, hardness, crystal formations, transparency and other characteristics...T'S fun and profitable to hunt gems 1 Typical crystal forms of prominent minerals Characteristics of...by the angles at which their plane surfaces (crystal faces) are placed with respect to one another...fun and profitable 3 TYPICAL CRYSTAL FORMS OF PROMINENT MINERALS BERYL CHIASTOLITE a\ DIAMOND CRYSTALS |
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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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| subconchoidal to uneven fracture. Its luster on crystal faces is usually adamantine because of its high...generally associated with gem tourmaline and/or beryl; excellent crystals have been found at the Martin...Martin prospect and Bennett quarry in Oxford County. Good crystals up to 25 mm have been found with tourmaline...crystals up to 1 cm at the Gillette quarry, Middlesex County, Connecticut. Cassiterite as small crystalline...Conway Granite north of Moat Mountain, Carroll County, New Hampshire. Good cassiterite specimens, a few |
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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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| 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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| MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¼em 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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| distinguished by their, physical properties: color, crystal form, cleavage, parting, hardness, specific gravity...important aids in identifying gems. They are: color, crystal form, cleavage, parting, hardness, specific gravity...in most minerals. Most gem stones have certain crystal systems that form under favorable conditions of...particular atomic arrangement results. The six crystal systems in which gem stones may form are: isometric...cleavage, surfaces are parallel to some of the crystal faces of some gem stones. For example, diamonds |
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| in South Dakota (see figure 2). and one large crystal from this de osit roduced 37 tons of marketable...contrast to chemistry, all other secondary data (crystal, physical and optical properties) are comparatively...for their creation The second two have different crystal systems, orthorhombic and triclinic respectively...for a mineral to express itself through multiple crystal systems and further to permit variation of cell...rarely hexagonally? Calcium carbonate regardless of crystal form is still calcium carbonate. But than, what |
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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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| 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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| 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 |
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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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| ...........................................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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| 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 âcyrtolite,â once considered...occurring with many desirable species such as topaz, beryl, and tourmaline. It is common in calc-alkaline complexes...zircon crystals from Helen Hunt Falls, El Paso County, Colorado. Dave Bunk specimen, Jeff Scovil photo. Volume |
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| Denver, Colorado, USA Š 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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| ...........................................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 |
