 | | Report (edition) | | 5 cm tall; gem weighs 2 carats. From the Havey Quarry, Poland, MaifJ. e. Photo copyright 1995 by Wendell...on quartz crystals, 24 x JO mm;Jrom the Bennett Quarry, Buckfield, Maine. Mined in 1996 by Holden !Jrothers...much information on collecting sites in Oxford County. Numerous other collectors of Maine minerals also...information was' provided y Priscilla Chavarie, Duane Leavitt, Mrs. F. MacDonald, James Mann, Joe Martin, Frank...Mining), Gary Hoyle (Maine State Museum), Duane Leavitt, Maine Department of Inland Fisheries and Wildlife |  | | Journal (article/letter/editorial) | | be isostructural with plumbogummite (crandallite group). Six teen lines of the Brazilian material could...shows the rhombohedral cleavage typical of calcite group members. A small crystal of each was tested in acid...REPUBLICS species. The specimen was from Boulder County. A short note suggested coloradoite. An x-ray powder...America Memoir #109, Telluride Ores of Boulder County, Colorado, p 80, where they state, "Coloradoite...pyrope is a commonly mis-identified member of the garnet group, one of the anhedral, 3 mm grains was x-rayed |  | | Journal (issue) | | Articles History and minerals of The Geysers, Sonoma County, California ............................................................. 359 by D. E. Leavitt & N. J. Leavitt Recent discoveries from the Wessels mine...1852 to the 1920’s, is located in northern Sonoma County about 145 km north of San Fran cisco, California...(1970). The Mayacmas Mountains of northern Sonoma County are underlain by rocks of the Jurassic-Cretaceous...deposits of the western Mayacmas district, Sonoma County, California. California Journal o f Mines and Geology |  | | Book (volume) | | ............. 315 Duane L. Leavitt The Bennett Pegmatite, Oxford County, Maine . .....................Moore Electron Microprobe Analyses for Crandallite-Group Minerals from Maine Pegmatites ...................of Geology at Smith College in Northampton, Massachusetts. He began teaching there in 1931 and he retired...permanent photographic exhibits in the northeastern USA. The Shaubs have been active in ornithological research...gratefully dedicated. Gene Foard (right) at Swamp #1 quarry, Topsham. Gene Foard speaking with Frank Perham |  | | Book (volume) | | publisher. Cover photograph: Fluorapatite, Pulsifer quarry, Auburn, Maine (2.2 cm specimen), Harvard Mineralogical...greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...than Maine's, as well. An area smaller than Oxford County in Murmansk Ob last, Kola Peninsula, Russia, has...clear to slightly blue topazes. However, San Diego County, California, is arguably the most important gem-pegmatite...Gerais, Brazil, better than those from the Harvard quarry in Greenwood? Are the morganites of Cerro de Urucum |  | | Journal (article/letter/editorial) | | isotropic and crystallizes in the ‘‘usual’’ cubic garnet space group Ia3d [a ¼ 11.9973 Å, Z ¼ 8; 21524 reflections...with crystalchemical expectations for ugrandite group garnets in general as well as with predictions drawn...applied very 596 successfully to lanthanide group compounds, whereas only a few SM investigations...conducted by Newman et al. (1978) in order to assign group-theoretical representations to the near-infrared...other end members of the pyralspite and ugrandite garnet groups, no structure investigations of synthetic |  | | Journal (issue) | | ~and grains of hardness and durabilicy, as quartz, garnet, magnetite, etc. On the others hand mineral particles...subsequently modified by solution. Fig. 3, is a group of sand it(ains from the Libyan Deser t. They Ehow...frequently as sand grains. Quartz Ilmenite Magnetite Garnet Rutile Calcite Monazite Zircon Augite The Feldspars...junction of County Street and Eastern Avenue in the easterly section of Fall River, Massachusetts, is the...Superintendent o1 Construction of the Westchester County Park Commission, and was u_ncovered du_ring the |  | | Book | | 22:65-69 [Abstracts of the] FM-TGMS-MSA Symposium on Garnet (chairman: K. J. Wenrich) 24:61-68 Abstracts of...ADULARIA Adu Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73...ALICE GLORY HOLE The Alice glory hole, Clear Creek County, Colorado (by T. A. Hanson & W. B. Craft) 18:185187...--and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE MYERS --and |  | | Report (volume) | | Oxalic AcidA Possible Analog for Natural Etching of Garnet by Dissolved Organic Matter By Paula L. Hansley...Paula L. Garnet dissolution in oxalic acid-A possible analog for natural etching of garnet by dissolved...bibliographical references. Supt. of Docs. no.: !19.3:2106 1. Garnet-Dissolution. 2. Oxalic acid. I. Briggs, P.H. (Paul.......... 2 2. Smooth, unetched pyrope-almandine garnet from the Barton Mines Corporation deposit in the...experiment showing: 11. Smooth and etched surfaces on garnet from container 86............................. |  | | Journal (issue) | | mineral from the Clear Creek claim, San Benito County, California ............. 471 by R. C. Erd, A....*Continued on p. 495 COVER: FERROAXINTTE crystal group, 4.8 cn1, from the Polar Urals, Russia. Wayne and...weeks for delivery. Sorry, no credit card orders or group discounts. The Mineralo~cal Record Tire Mineralogical...breccia. -125 ' Figure 6. Atacamite crystal group , 4.5 cm across; 5th level, Southwest mine. Figure...view); Holbrook mine. Figure 9. Calcite crystal group, 11 cm; 6th level, Southwest mine. Figure 11. Claringbullite |  | | Journal (article/letter/editorial) | | research involving other mineral phases (e.g., garnet, chromite, olivine, clinopyroxene, and ilmenite;...Hinsberg & Schumacher 2011, van Hinsberg et al. 2011), garnet (Griffin & Ryan 1995, Heimann et al. 2011), magnetite...coupled plasma mass spectrometry (LA-ICP-MS). A sub-group of samples was also used to assess the range of...components of this study using scheelite from a diverse group of ore deposits. The results of this comprehensive...magmatic or metamorphic affiliation). Within each group, subdivisions are possible. For example, deposits |  | | Report (volume) | | for sand and gravel, no single commodity tn this group has a total value of more than $100 million ; no...recently found in the Tenmile district, Summit County. In his booklet, which today would be classed as...feldspar, and mica, occur in some form in every county in the State. Among mineralogists, Colorado is...the world. The tellurium minerals are one such group. Many geologists, mineralogists, and mining engineers...yielded more than $400 million in gold. Another large group of minerals for which Colorado ore deposits are |  | | Report (issue) | | français. Cover illustration Pendant: almandine garnet cabochon set in silver. Cut and set by Jim Robertson...Ontario. The cabochon measures 12 mm by 10 mm. The garnet is from River Valley, Ontario. Photograph by R...Geological Survey of Canada. GSC 2005-244 Almandine garnet crystal from Laniel, Quebec. Collected by Philip...feldspar mine Currie barite occurrence Pakenham quarry Cedar Hill soapstone occurrence Galetta celestine...Angelstone quarry Tatlock Omega quarry Black Donald mine Renfrew area Jamieson Lime quarry Renprior mine |  | | Book | | MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning...beginning of the 20th century, the Trimouns quarry became well known to collectors around 1990 for the...long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described |  | | Book (edition) | | Mexico (#2, column 1) and TENNANTITE, Dresser quarry, Walton, Nova Scotia, Canada (13, column 2). ...attempt a complete description of a small mineral group to uncover the unsatisfactory state of our present...well render the volume difficult to use by a large group of potential readers not familiar with structural/chemical...with the inherent problems of end-member names vs. group names and related aspects of nomenclature. Rather...spelling variants, descriptive names, mixtures, group names, chemical names, etc., found in the literature |  | | Book (edition) | | extensively rewritten by the book’s distinguished group of authors in the light of new research and important...Lincoln. Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For...Photo Editor: Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD...all varietal names, synonyms, spelling variants, group names, and so forth; only names in contemporary...contemporary use have been included. Most of the mineral group lists presented were taken from the Glossary of Mineral | | | Book (edition) | | extensively rewritten by the book's distinguished group of authors in the light of new research and important...Willard Lincoln. Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere...all varietal names, synonyms, spelling variants, group names, and so forth; only names in contemporary...contemporary use have been included. Most of the mineral group lists presented were taken from the Glossa,y of Mineral...letters pointing out that for some entries our space group, Z, and lattice constants are mutually exclusive |  | | Book (edition) | | etc 252 251 Fjiisilicales Cbrysoliie Croup Garnet Grou]) 25 (> 259 Zircon (D'oyj) JdocTMiue E])i(lo(e...Zeolites Section 'riioiusonit(\ b. 1 2h\S Group 1 i singcrite Chlorite Gi\>uj> . 397 310 312...Pyroxene and Sodadirne Feldspar 7. Pyroxene, Garnet, Epidote, and Clirysolite Rocks, S. Hydrous Magnesian...that the gonal that are nearly cubic. same natural group of minerals may include both trimetrio and monoclinic...monoclinic species, as is true of the Hornblende group ; or monoclinio and triclinic, as is the fact with |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs... Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph by J. Scovil....Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper 91 References 467 Contributors...Descloizite Cuprite on Copper Nevadaite, Gold Quarry Mine Vanadinite, Ruth Mine Epidote Opal after...Humboldt County and the crystalline quartz collecting area on Petersen Mountain in Washoe County, permission |  | | Report (issue) | | been found in the mining the nugget Jim, Placer County, California, in 1871 by a small girl in who town...The bibliography has been updated and expanded. County lists published by Collins (1) pp. 40-64, in Murdoch...the Mojave Desert area and of Death Valley by a group of U.S. Geological Survey workers, with the collaboration...rhyolite locality in Alameda County and the lawsonite type locality Marin County, which have been completely...housing developments. Another is the famous Crestmore quarry, where the cement production has almost destroyed | | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs... Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph by J. Scovil....Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 121 Gregory...Millerite Mi1netite Naumannite Ncvadaite, Gold Quarry Mine ()pal after wood Opal, faceted Orpin1ent,...Hurnbo ldt County and the crystalline quartz collecting area on Petersen Mounta in in Washoe County, permission |  | | Journal (issue) | | Edward Dominik, Bill Ken; Jean Langenheim, Joseph Leavitt, David Morrow, and Ray Page. One of the comments...1980 by the Natural History Museum of Los Angeles County and the Gemological Institute of America. Figure...crystal is part of the collection of the Los Angeles County Museum of Natural History. Photo b y Larry Reynolds...housed in the gem collection of the Los Angeles County Museum of Natural History (figure 10).This crystal...Museum of Natural History, and the Los Angeles County Museum of Natural History for their cooperation |  | | Journal (issue) | | arenites - . Serpentinites Limestones (Murcielago Group) Cherts and silcretes 0 Consolidated alluvium Recent...rock is a dolomitic limestone from the Murcielago Group. and silicification of the lin~estones,which renders...hosting the Anahi deposit belong to the MurciClago Group, a 500-m-thick flatlying sequence of limestones...complexes include biotite gneisses, biotite hornblende garnet gneisses, and migrnatites (banded rocks with both...olivine, pyrope garnet, and augite)-are not present at Indaia. However, alinandine garnet is, as are quartz |  | | Book (edition) | | along with some new varieties, such as malaya garnet. Previously unknown localities have yielded large...text most used by an increasingly large and active group of gemstone collectors who are fascinated by the...Myrtle Granger, George Bruce, Bart Cannon, Charles Leavitt, Jr., W. W. Hanneman, Thanks Don to those Hoover...certain colors of garnet are currently selling at prices over $1 ,000 per carat. Garnet has always been... CRYSTAL STRUCTURES AND PROPERTIES types. A group of atoms held together by bonds in such a way form |  | | Report (issue) | | tribes in the northeast corner of San Bernardino County in pre-historic times. The old workings here were...or basaltic rock reaching outward from a central group of extinct craters. These flows extend for many...east of Lindsay, Tulare County near mouth of Carrizo Gorge, San Diego County west side of Williams Valley...Mendocino County; Santa Ynez Mountains; Santiago Canyon near Mount Pinos, ; ; ; Ventura County; Table...Mountain, Madera County; Fish Creek Mountain, Fresno County; northeast of Cloverdale, Sonoma County; near Burnt |
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