 | | Journal (article/letter/editorial) | | (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing light...Figure 2 (right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes; specimen...BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R. Muntyan PYRITE,...Park City, Utah; Washington State; and numerous Colorado localities. Pyrite crystallizes in the isometric...Pyrite is the most common sulfide mineral found in Colorado; it is found in a wide variety of occurrences |  | | Journal (article/letter/editorial) | | Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...hrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined for silver starting...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...the nearby area; (4) a small pegmatite within the mine with an age (25.9±0.3 Ma) coincident with mineralization...Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, USA e-mail: pbartos@mines | | | Journal (article/letter/editorial) | | Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...hrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined for silver starting...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...the nearby area; (4) a small pegmatite within the mine with an age (25.9±0.3 Ma) coincident with mineralization...Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, USA e-mail: pbartos@mines |  | | Journal (article/letter/editorial) | | August 2013 BARBARA L. MUNTYAN P.O. Box 495 Ouray, Colorado 8 I427 hodochrosite, a manganese carbonate with...Rhodochrosite has also been found in many localities in Colorado, particularly in the mines of the San luan Mountains...it i s one of the most recognized and coveted Colorado minerals. partiY DO e the presence of a mix...significant amounts in many mining districts of the Colorado mineral belt, a large, elongated, highly mineraiized...extreme southwestem comer of Colorado. Most of the metal mining in Colorado has been within this belt since |  | | Journal (article/letter/editorial) | | 17:.12. Complete isomorphous miscibility with calcite and siderite is demonstrated. The series to magnesite...indices and specifi.c gravities of members of the calcite group of minerals could be calculated directly...Geological Survey. 1 Ford, W. E., Studies in the calcite group: Trans. Conn- Acail' Arl's and' Sci', 22...but analysesH and -I from Ouray and Leadville, Colorado, fall in this zone. In the MnCO3-CaCO3seriesFords...Notes on an c-ray diffraction study of the series calcite-rhodochrosite: Am. Mineral.,15, 23 29 (1930). |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | | Journal (article/letter/editorial) | | c (001)--just like those of sodium nitrate on calcite. M Mr. Barker's papers are :-(1) ~Contributions...to the method recommended by ~ r . Barker for calcite. In this way it is possible to obtain on the same...and in this respect barytocalcite differs from calcite. Barytocalcite is almost isostruetural with the...the rhomhohedral sodium nitrate and calcite. There are two perfect cleavages parallel to the prism m {110}...the edge [010], like that which is produced on calcite by gliding parallel to (110). This indicates that |  | | Journal (issue) | | publisher affiliated with the Friends of Mineralogy John S. White Division of Mineralogy The Smithsonian...Marvin Hanner Additions to the Ore Mineralogy of Colorado.................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt....................................Mtn., GA. $10 to $35. Byssolite Needles, Va $3.00. John Speer, Dept. MR, 508 Allenby Road, ________ Anderson...he crys tals occur with trem olite, quartz and calcite in talc-filled pockets that have developed along |  | | Journal (issue) | | of Mineralogy lv|ineralogical RccorcT publisher John S. White Smithsonian Institution (USPS 887-700)...Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A |  | | Journal (article/letter/editorial) | | Tourmaline on quartz, Cruzeiro mine, Minas Gerais, Brazil. Los Angeles County Museum of Natural History specimen...Erica Van Pelt photo. MarcWApril: Beryl and calcite, La Pita mine, Maripi Boyacii, Columbia. Cal Graeber,...near Badger Creek, north of Coaldale, Fremont County, Colorado. Dave Bunk specimen, Jeff Scovil photo. July/August:...(Herkimer “diamonds’’), Treasure Mountain Diamond mine, near Little Falls, New York. Uli Bahmann specimen...SepteniberlOctober: Gold, Smuggler Union mine, Telluride district, Colorado. Colorado School of Mines Museum specimen |  | | Book | | Brazil (4.2 inches) B Tourmaline, Queen Mine, San Diego County, California (8 inches) C Garnet, hessonite... 10 Amazonstone and smoky quartz, Lake George, Park Co., Colorado (Coil family- Richard Kosnar collection}...Sirakian: page 16b Roger Titeux: pages 42b, 60c - John Saul: pages 20a, b, 22a. British Museum of Natural...and sapphires much used in jewelry. A Ruby, Saul Mine, Tsavo Park, Kenya (0.8 inch) 8 Ruby, Longido, Tanzania...pegmatites overlapping with aluminum-rich rocks, calcite pegmatites and cipolins (crystalline limestones) |  | | Journal (article/letter/editorial) | | J. Sci., 34, 477480) .-1. Rhodochroisite from Colorado.-Rhodochroisite, in rich, red, transparent rhombohedra...rhombohedra, has been found in the John Reed Mine a t Alicante, Lake Co., Colorado. This is the first locality...the area of the wall itself. 3. Hydrophane from Colorado.-A white, opaque variety of hydrophane in rounded...mm. in diameter, has recently been brought from Colorado. It is remarkable for its power of absorbing water...hexagonal prisms surmounted by rhombohedrons. Calcite does not occur associated with it, and hence it |  | | Journal (issue) | | Pandaite • copper arsenic sulfide • Chinkuashih mine, Keelung, T aiw an • 4x5 $ 5 0 .0 0 , 2x3 $ 2...with the Friends of Mineralogy editor & publisher John S. W hite, Jr. Division of Mineralogy The Smithsonian.......................... 101 Personality Sketch— John S in k a n k a s .................................follow good examples than to be led along by rules. ■ John S. White, Jr. 99 Q. Byssolite— what is it? Dana...chrysotile. I’ve seen the green material included in calcite from French Creek, Pa and the so-called byssolite |  | | Journal (article/letter/editorial) | | Peru; the Home Sweet Home mine, A l m a , Colorado; and the N'Chwaning mine, Kuruman, South Africa. These...nal carbonate series of minerals, which includes calcite, siderite, ankerite, dolomite, and magnesite. Rhodochrosite...is determining just where in the series between calcite and rhodochrosite the specimen containing manganese...of calcite containing manganese. That does not, Figure 1: Rhodochrosite from the N'Chwaning mine, Black...eye-ball way to distinguish between them. Much calcite with manganese as an impurity fluo resces a bright |  | | Journal (issue) | | G. M . A llgood, R. W. A llgood & J. Pradenas Colorado Fam ous m ineral localities: Breckenridge, C olorado...Nugget," collected in 1865 at the Grit mine, El Dorado County, California, by Jules Fricot and donated...cost ing the pricing systems and struc more than calcite specimens. But tures for other species is of no...localities not mentioned in G old-I. . . Australia, Colorado and Appalachia, for example. It seems that we...photography by curator Carl Fran cis. Gold specialist John Barlow of Earth Resources checked his vault and |  | | Report (issue) | | 5.1 cm high from Eagle's Nest mine in Placer County, Caifornia, USA Collection Marlin Zinn; photo Jeff...International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint...Autrum-Mulzer, Brian Boyle, J. Broomfield, Frank Coffa, John Davey, Joe Dunbar Emmett Evanloff, Ellen Faller...Lapis International, LLC East Hampton, Connecticut USA Collection 'Alan Table of Contents What Is Gold...First Gold Rush: Gold Fever in the Southeastern USA . . . . . . . .P. 16 R. Chris Tacker California and |  | | Report (issue) | | ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING, AND G. F. LOUGIILIN...High terrace gravel_ 15 Low terrace gravel_ _ 17 "Lake beds"_ 17 Character and distribu17 tion _ Deformation...Structure and distribution_ Toledo fault _ 88 56 011ie Reed pipe_ Iron-Mikado group_ 88 57 Josie pipe _ 89 Iron...anticline _ Origin of the Iron-Mikado fault 61 Colorado Prince anticline _ group _ 95 61 Mosquito Gulch...103 66 and Mike faults _ Iron Hill _ 103 66 Tucson mine _ Area between Iron and Adelaide faults_ _ _ Yak_ |  | | Book | | mineral collection. se rs eee 7 ar oltre) LAKe sho 363.8 oe saline 3 re Campus eTTTT 16.2...Professor and author, School of Mines, Paris, FRANCE ¥& JOHN SINKANKAS, author and collector, San Diego, California...NORWAY }& PAUL FRAENKEL, collector, Paris, FRANCE jx JOHN FULLER, Mineral Assistant, British Museum (Natural... ENGLAND ¥& E. M. GUNNELL, collector, Denver, Colorado, U. S. A. \ HENRI HANSON, photographer and collector...Institute of Technology, Zurich, SWITZERLAND }x JOHN JAGO, collector, San Francisco, California, U. S | | | Book | | fessor and author, School of Mines, Paris, FRANCE ^ JOHN sinkankas, author and collector, San Diego, California...NORWAY ^ PAUL fraenkel, collector, Paris, France ^ JOHN fuller, Mineral Assistant, British Museum (Natural...London, England ^ e. m. gunnell, collector, Denver, Colorado, u. s. A. ^ HENRI HANSON, photographer and collector...Federal Institute of Technology, Zurich, Switzerland ^ JOHN JAGO, collector, San Francisco, California, u. s...occurred with a white mineral such as quartz or calcite. 8 J 5. Color. The shade, hue, and intensity |  | | Report (issue) | | Arrington Mine Carolina Slate 'Belt 25 27 2 Gold Hill Mine 28 Placer ~lXlsits 2 Howie Mine 29 !me...me Del"'sits 2 Reed Mine 31 S<>urces and Prtxluction 5 Silver Hill Mine 31 World Sources and...Production 5 Phoenix Mine 33 United States Sources and Production 5 Hoover Hill Mine 33 Mineralogy and...Gardner Hill Mine 33 Uses 7 Fentress Mine 34 Prices 8 Mining Methc:xis 9 Rudisil Mine 34 OJ:>en-Pit...OJ:>en-Pit Mining 9 St. Catherine Mine 35 Underground Mining 9 Capps Mine 35 9 Kings Mountain Belt |  | | Journal (issue) | | - - - - - - - - - - - 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 |  | | 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 |  | | Book | | .3 COLORADO. of COLORADO. J. S. l GEORGETOWN, COLO. GEORGETOWN COURIER PRINT. 1887. 3 Bancroft...From a mineralogical point of view the wealth of Colorado exceeds that of In the metallic minerals almost...to in the following pages Proceedings of the Colorado Scientific Society. Proceedings of the Academy...the U. S. Geological Survey. J. GEORGETOWN, COLORADO, January, 1887. S. RANDALL. : MINERALS...gravel of streams and in veins. The veins of Gilpin County are especially noteworthy for the amount of gold |  | | Book (volume) | | SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas...Southwestern Quadrant Arizoni, Arkansas, California, Colorado, Louisicna, Nevada, New Mexico, Oklahoma, Texas...Location Numbers Arizona Arkansas California Colorado 258 Louis B30 ana HOW TO USE THIS BOOK...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible...for the county in which it is located. This site number also appears under the given county in the text |  | | Book (edition) | | from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E... GEMSTONES of NORTH AMERICA In Two Volumes Volume II John Sinkankas ~ ~ VAN NOSTRAND REINHOLD COMPANY New...Cincinnati Toronto London Melbourne Copyright© 1976 by John Sinkankas Library of Congress Catalog Card Number...Congress Cataloging in Publication Data Sinkanus, John. Gemstones of :S-onh Amcria. Vol. 2 has imprint...price increases, which make it more attractive to mine domestic deposits at a profit. Foreign labor is |
|
