| | Journal (article/letter/editorial) | VIRGINIA MINERAL LOCAL INDEX Although perhaps best known for its turquoise crystals, apophyllite on...kyanite, Virginia has, in fact, over 150 mineral species. and D. A L L E N P E N I C K , JR. Virginia Division...Mineral Resources P. O. Box 3667 Charlottesville, Virginia 22903 T H I S V I R G I N I A M I N E R A L L...world-wide locality index. The localities are listed by county, followed by a listing of the most prominent minerals...source of information in this Virginia index was Minerals of Virginia (1970) by R . V . Dietrich. A l | | | Journal (issue) | February 1987 No.1 VIRGINIA MINERAL LOCALITY INDEX D. Allen Penick, Jr. This Virginia mineral locality...world-wide locality index The localities are listed by county, followed by a listing of the most prominent minerals...source of information in this Virginia index was Minerals of Virginia (1970) by R. V. Dietrich. Although...famous localities in Virginia, such Updated from Rocks and Minerals, Vol. 60, No. 4, July-August, 1985...pegmatite in Amelia County and the Lynch Station locality (turquoise crystals) in Campbell County, are now closed | | | Report (issue) | the cover—Turquois crystals from Lynch Station, Virginia; x ca.; pho tograph by Neal Ycdlin; color plates...C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...of Virginia R. V. DIETRICH* Professor of Geology and Associate Dean of Arts & Sciences, Virginia Polytechnic...Polytechnic Institute Research Division Bulletin 47 Virginia Polytechnic Institute, Blacksburg, Va. 24061 *... © R. V. Dietrich and the Research Division of Virginia Polytechnic Institute, 1970 Printed and bound | | | Journal (article/letter/editorial) | Auburn, Alabama 36849-5305 cookrob@auburn.edu Zircon Downloaded by [Tufts University] at 09:35 10 October...Paso County, Colorado O wing to its diverse paragenesis and resistance to weathering, zircon is one...colorless and blue) zircon are cut as gemstones. Scientists are particularly fond of zircon because of its...the scholarly periodical Elements is devoted to zircon; http:// www.elementsmagazine.org.) Although specimens...consistent sources, and the list of once-productive zircon localities is quite long. The Pikes Peak region | | | Report (issue) | the area ________ ·_______________ ___ ______ _ Rock formations ________________________________ _ Metamorphic...Paragenesis ______________________________ ~ :. ___ _ 1 2 2 3 4 4 4 4 6 6 6 6 6 7 9 10 11 12 13 15 16 16..._ _ Miscellaneous zonal deposits ________ _ Burr-rock deposits ___________ - ___ --Fracture-filling and...____________________ - __ - - - - Mica in country rock _______________ _ Relative productivity of deposits...location of the main pegmatite districts___________ 2. Contorted sills and discordant stringers of granite | | | Journal (issue) | the Virginia Polytechnic Institute, Engineering Experiment Station Series, dealing with Virginia Mineral...Mineral Localities: Virginia Mineral Localities (1960 Edition) Virginia Mineral Localities (Supplement...(Supplement I) Virginia Mineral Localities (Supplement II) Virginia Minerals and Rocks (3rd Edition) Ex LIBRIS...LIBRIS ROCK H. CURRIER BOOK No. _'fl_9_ On the Co•er-Arboreacent cr7atal irroupa of cnlclto from ,avltlu... I !V I ii VIRGINIA POLYTECHNIC INSTITUTE Engineering Experiment Station Series No. 151 Ii !I ·1 | | | Journal (article/letter/editorial) | true topaz, included citrine, yellow sapphire, zircon, and even garnet. Hoover (1992) states that Henckel...consists of crankshaftlike chains of edge-sharing AlO.F 2 octahedra arranged parallel to the c-axis. The chains...major topaz deposits. 1. San Diego County, California pegmatites; 2. western U.S. topaz rhyolite belt...belt (includes some pegmatites); 3. Mason County, Texas; 4. topaz rhyolite belt of Mexico; 5. Appalachian...citrine citrine citrine yellow fluorspar Figure 2. Topaz, 4.9 cm high, Mursinka, Ural Mountains, Russia | | Černý, P., Roberts, W. L., Ercit, T. S., Chapman, R. (1985) Wodginite and associated oxide minerals from the Peerless pegmatite, Pennington County, South Dakota. American Mineralogist, 70 (9-10) 1044-1049 | Journal (article/letter/editorial) | the Peerlesspegmatite,near Keystone, Pennington County, South Dakota. It is associatedwith cassiteritecontaining...55Fef.!.Tio.ou) Tao.orFef.loTio.or)(Tar.rrNbo.rr)O.2. With decreasingtotal iron, the color of wodginite...533-9.552,b ll.47l-11.476, c 5.116-5.123A,p g}.8-.gl.2", v 559.4-561.5A3) well-orderedstructure.Wodginite...anhydrous Li-aluminosilicates(cf. Burt and Londonn County, South Dakota is one of the more fractionatedand...with a subhorizontalNW-trending crest flanked by rock-forming minerals; beryl, tourmaline, triphylite | | | Journal (issue) | Jan/Feb 2024 Vol.99, No.1 ROCKS MINE ."Iii[! iil"J www.tandfonline.com/vram Pegmatite Minerals & Gems...I. Jacobson, Denver, CO Anthony R. Kampf, l.A. County Museum of Natural History, CA Virgil W. Lueth,...across a local area net\,vork. Subscription offices: USA/North America: Taylor & Francis Group, LLC, 530 Walnut...Taylor & Francis Group, LLC. All rights reserved. No part of this publication may be reproduced, stored...Copyright Clearance Center (www.copyright.com) in the USA or the Copyright Licensing Agency (www. cla.co.uk) | | | Report (issue) | Preparation and marketing----___--______-_-_-_--_---_ 1 2 2 3 4 4 4 6 6 7 8 11 12 12 15 16 16 17 17 22 24 26...109 ILLUSTRATIONS Page PLATE 1. 2. 3. 4. 5. 6. 7. 8. 9. FIGUKE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12...15 19 20 23 24 24 26 29 32 III IV TABLES 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Theoretical composition...power-factor values for electrical-quality groups E-l, E-2, and E-3____-_-_---_-____--_-_-----___-__-__-__ Price...data for mica specimens, arranged by lot and by mine or prospect-_-___--_-___-_-.___---___-_____--_ Results | | | Journal (issue) | 0022-1252 XIX (3) 213-292 (1984) JULY, 1984 Vol. XIX No.3 THE JOURNAL OF GEMMOLOG-Y and PROCEEDINGS OF...GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN Vol. XIX No. 3 JULY 1984 CHROME DIOPSIDE FROM U.S.S.R. By HANS-WERNER...synthetic flux crystals (see Figures 1 and 2). Diopside, CaMg(Si 2 0 6 ), is a member of the pyroxene group...crystalline solution of diopside—hedenbergite (CaFe(Si 2 0 6 ) caused by the diadochy of Mg and Fe2+. According...perceptible in thin sections, needs more than 3 % Cr 2 0 3 (Tröger et ai, 1971). The specimens under discussion | | | Book (edition) | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...Easy-to-understand instructions for recognizing rock formations; glossary. How to identify gem minerals...is a precise explanation of h< to recognize the rock formation* which gems occur. The tabular Gem ... contents fun to hunt for gems 1. It's 2. How 3. Rock formations 4. How 5. Characteristics of...entertaining exercise search, and the thrill of discovery. No purchased stone can ever bring the pleasure that | | | Journal (issue) | Menzies Pink topaz from the Thomas Range, Juab County, U ta h .........................................still reasonably priced, at $18 plus $1 postage ($2 foreign). We had originally planned to include type...College in Northfield, Minnesota, and made off with no less than 626 museum-quality specimens of minerals...of specimens in the last few months should be very 2 suspicious. If you think you have seen these specimens...lists (“Wulfenite, Red Cloud mine, Arizona, 1-inch, 500; 2-inch, $2; 2 inch, $3.50” etc.) W ouldn’t it | | | Book | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...it a veritable not just a picof informa- is mine tion, telling everything the collector needs to...color lilNLRALS 5^49 CENTRAL LIBRARY 1976 UJCl 2 OfC DEC 6 6 1978 1 FEB 198a 1977 1 1977 ...{jl IHL18m , OCT IMHJLZJMI 29 1997 AUli APR 2 1978 i: ftIV Ml !m DEC 1 ilAY 1 6 I97t» 6...1EE_ AUe 9 1 .JiJ JAN021 rtuo X ^ lyao JUN ML 2 APR 6 1330 APR G ; / 'M'o t(\/oU302m 5 N | | | Book (volume) | the icefree fringes of Greenland; in fact, there is no state or province which does not boast at least one...59-13853 ISBN 0-442-07613-4 All rights reserved. No part of this work covered by the copyright hereon...information is published separately in Volume II. Virtually no repetition of information takes place inasmuch as... 5 = fii? i a j — » ya y _— ’* : i mine in. q)! Y eit iia -...: 7 ¢ z = NTs tbee _ = hee Dy iti iy 2 pee 4 Rae teed i a gui Om, Me wat ip! \? silty | | | Book (edition) | Page 1: MuscO\ite. 45 mm, Linopolis, Brazil, H Page 2: Vivianite, I 00 mm, Huanzala, Bolivia, H Page 3:...Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...Mineralogical Tables" by Strunz and Nickel (2001). There is no problem with the validity of at least 95 % of minerals...occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite Cu...of the substituting component may represent only 1-2 weight% of the whole composition. Polytypes are, according | | | Book | not just a picture book. Rather, it is a veritable mine of information, telling everything the collector...549 t!INERALS CE::!JTTIAL LIBHAHY p 111'6 lOCl 2 hl76 0E'C 1 6 1978 FEB 1 DE C 6 1977 JUN \ O 1977...4 ~I 1982 DATE DU E FE B 1 L .. 19ff DEC 1 2 199i • . JAN 02199 DEC 1 3 t9n JAN 1 t \978 1819t...AY 1 11..J \., -± - ,~~r, JUN 1 8 1991 . l 2 6 t978 AUG 9 1978 SEP 7 1978 • T 6 NOV 7 ,., ...Mineralogy. 2. Mineralogy-Collectors and collecting-U.S. I. MacFall, Russell P., ed II. Title QE363 2.G8313 | | | Book | Butterworth-Heinemann Ltd 1992 All rights reserved. No part of this publication may be reproduced in any...changes colour The beginning of empiricism 15 13 2 Large and important topaz gems and crystals 20 Introduction...Preto, Brazil, in the world gem trade. In addition, no one had previously made a comprehensive study of...indebted. Appreciation is also expressed to Dr J. Arem, USA; Sr Carlos Barbosa, Brazil; Professor J. Cassedanne...Canada; Mr T. Michalski, USA; Mr J. Murphy, USA; Dr F. Pough, USA; Mrs K. Robertson, USA; Dr W. Sersen, Thailand; | | | Book (edition) | Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Lincoln. Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For...» aie \ Encyclopedia of Minerals IN MEMORY OF 2. HELEN KEMPNER < i FROM ye = JOHN & ELAINE...Photo Editor: Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD | | | Book (edition) | Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...Willard Lincoln. Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere...89-5633 ISBN 0-442- 27681 - 8 All rights reserved. No part of this work covered by the copyright hereon...Fifth Avenue New York, New York 10003 Chapman & Hall 2-6 Boundary Row London SEI 8HN, England Thomas Nelson | | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | Alloys il Sulfides and Related Compounds Class 2 Sulfides, Including Selenides and Tellurides Class...Class 55 56 57 58 SieO7 Groups, Generally with No Additional Anions: Sip07 with Additional O, OH, F...Double-Width Unbranched Chains, W = 2 Unbranched Chains with W > 2 Structures with Chains of More Than...chemistry of individual species was discussed, but no chemical formulas were presented, even though Berzelius...completing the new edition was sorely felt. Work on volume 2 (halogenides and all oxysalts except the silicates) |
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