 | | Book |
| those people lucky enough to be able to travel to see them; others are in private hands and are seldom...FRANCE; Curator, School of Mines, Paris 4 F. HOFMANN, Professor, School of Mines, Freiberg, EAST GERMANY...H. J. SCHUBNEL, Professor and author, School of Mines, Paris, FRANCE ¥& JOHN SINKANKAS, author and collector...unique experience; for the first time he can enjoy an array of seventy-eight specimens each judged best...In the Gallery these seventy-six are presented in an order calculated to delight the eye rather than merely |
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| 000007 0000®* The World’s Finest W MV >1VL an a CRYSTALS by Peter Bancroft A Studio Book THE...FRANCE; Curator, School of Mines, Paris ^ F* HOFMANN, Professor, School of Mines, Freiberg, east Germany...j. schubnel, Pro fessor and author, School of Mines, Paris, FRANCE ^ JOHN sinkankas, author and collector...unique ex perience; for the first time he can enjoy an array of seventy-eight specimens each judged best...In the Gallery these seventy-six are presented in an order calculated to delight the eye rather than merely |
 | | Report (issue) |
| Gold in Minerals and the Composition of Native Gold Gold in Minerals and the Composition of Native...Native Gold By Robert S. Jones and Michael Fleischer GEOLOGICAL SURVEY Washington 1969 CIRCULAR 612...considerations ----------------------------------------Gold in minerals ------------------------------------------------------...------------- _ Composition and the fineness of gold ---------------------------- ___ References cited...Analyses of gold in minerals made since 1954 --------------------10 4. Variation in fineness of gold with depth |
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| collection; photo by Harold and Erica Van Pelt. See the special supplement in this issue devoted to the...specimens, the researcher should still be provided an opportunity at least to visually examine the best...published recognition for his contributions. Sometimes, an inferior sample is provided for description, and...perspective) to be in poor taste. The finding of an undescribed new mineral by a collector is not instant...on all when one is honored. However, this might be an inevitable condition considering the very personal |
 | | Book (edition) |
| Brazilianite, 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed...groups: The number of new mineral species may grow as an avalanche, flooding the mineral population with tens...lepidolite, wolfrarnite). In many cases, minerals have an intermediate composition between theoretical end-members...amphibole group). For more detailed information see "Dana's System of Mineralogy•· ( 1944, I 951, 1962)...to crystallographic tenns (e .g. prismatine), to an organization (e.g .. mgriite). to a journal (minrecordite) |
| | Journal (issue) |
| collection; photo by Harold and Erica Van Pelt. See the special supplement in this issue devoted to the...specimens, the re searcher should still be provided an opportunity at least to visually examine the best...published recognition for his contributions. Sometimes, an inferior sample is provided for description, and...perspective) to be in poor taste. The finding of an undescribed new mineral by a collector is not instant...on all when one is honored. However, this might be an inevitable condition considering the very personal |
 | | Journal (article/letter/editorial) |
| assemblage in altered volcanic rocks from, 325 AUSTRIA, north Tyrol composition of tetrahedritetennantite...tetrahedritetennantite and 'schwazite' in the Schwaz silver mines from, 801 AzouG., F. 599 Back-scattered electron imagery...-sanidine in Lionato Tuff, Colli Albani Volcanic District, Central Italy, petrogenetic implications of,...CHINNER,G.A., 265 Chrisstanleyite, new mineral, in gold-bearing carbonate veins, 257 CIIPdSTY, A.G., 77...fahlores from the Grosskogel and Kleinkogel mines, Brixlegg, Austria, 801; fluorine-rich clinohumite from Ambasamudram |
 | | Journal (issue) |
| Advertising Manager Thomas P. Moore Tpmoorel@cox.net A gold specimen from the Spanish Dry Diggings, Eldorado...from the La Marina mine, Muzo District, Boyaca Department, Colombia. See the article on the Colombian...magazine; 'TU be the first to join," said Bryan. It was an excellent idea, but it needed a point man. At the...Fellows program receives an attractive certificate each year, which can be framed on an office or mineral room...room wall. And in 2016 we began presenting gold medallions-large pins with a magnetic clasp--that can |
 | | Journal (issue) |
| chunk of mineralized rock. Elite collecting involves an element of extreme rarity and exclusivity. Micromounters...reviled by perfectionists as the mother of all flaws, an offense to the eye. Wilber: A very small ding or...a crystal face, the luster can be compromised on an almost insensible level. Nanowilbers usually result...perhaps a higher luster than seen before, or maybe an extraordinary association with another remarkable...found in the lower price ranges. You, too, can become an “elite” collector, regardless of budget. Elitism |
 | | Journal (issue) |
| mineral localities: The Bastnas Mines, Riddarhyttan Ore Field, Bergslagen District, Vastmanland, Sweden ......from the Trimouns talc quarry near Luzenac, France (see the article beginning on page 225). Freddy Marty...BASTDAS ffiIDES RIDDARHYTTAD ORE FIELD, BERGSLAGED DISTRICT, VASTffiADLADD, SillEDED Lennart Ohman Hi:igviltsvagen...south-central Sweden, where tens of thousands of different mines have been worked for nearly a thousand years. Iron...fields, with approximately 300 large and small mines. Iron ore mining began in the mid-14th century, |
 | | Book |
| aid to 220 species and varieties • • Includes an introduction to the world's key mineral-forming environments...minerals. From precious native elements such as silver, gold and copper to complex silicates such as vesuvianite...pride of any geological collection. From the green, gold and blue iridescent sheen of labradorite to the...visual aid to 220 species and varieties Includes an introduction to the world's key mineral-forming environments...southwater , This edition Is published by Southwater, an imprint of Anness Publishing Ltd, Hermes House, 88-89 |
 | | Journal (issue) |
| mineral localities: Minerals of the Kaokoveld District, Kunene Region, Namibia ............................... 485 by R. J. Bowell, 0. Ermolina, W van der Plas, J. van Us & M. Steiner The best zincite crystals...the Kaokoveld District, Kunene Region, Namibia. Irv Brown specimen; Jeff Scovil photo. See the lead article...................:...... . 559 Sainte-Marie-aux-Mines Show 2013 by T. P. Moore ......... . 565 issue...afford to own. A good parallel that we can tum to for an instructive example is the art world. Collecting |
 | | Book |
| edition by a team organized by Prof. Dr. C H R . AM S T U T Z (with additions and corrections by the...completing it more rapidly t h a n I can now; since I am more burdened by work of all kinds t h a n ever before...(GERMAN) E D I T I O N writer, enlarged the book to an extent not permissible, and frightened t h e reader...minerals associated with strongly radioactive ones. I am convinced t h a t in the future much new knowledge...comparative study from colleagues, institutes, and mines; many samples were collected by the writer himself |
 | | Journal (issue) |
| ........619 by W. E. Wilson A good time was had: An Adventure in Provenance............................(deceased) Peter L. Via (deceased) SENIOR FELLOWS Gold Level Scott A. Rudolph (2022) Gail & Jim Spann...minerals around the age of seven, on his first visit to see the mineral exhibits at the American Museum of Natural...Another early mentor was Dr. Katherine Blodgett, an employee at General Electric Research Laboratory...situated at an elevation of about 550 meters above mean sea level in the Caldbeck Fells, an area of desolate |
 | | Book |
| edition is published by Hermes House Hermes House is an imprint of Anness Publishing Ltd Hermes House, 88-89...getting under way, look closer and you begin to see subtle the famous Scottish poet Sir Walter differences...stones to pieces they’re still just stones, but to an like sa’ many roadmakers run daft. experienced...experienced rock hunter, each has its They say it is to see how the warld was own fascinating story to tell. ...strange activity. magnifying glass, and you begin to see Yet go to a beach or any stream it is made from |
 | | Book |
| index. 1. Mines and mineral resources—Asia. 2. Mines and mineral resources—Australia. 3. Mines and mineral...them, mineralogists have come to recognize certain mines, quarries, and mineral deposits as having produced...notable example in this category is the Nuristan District of Afghanistan, which over the past 10 years has...amount of work involved in obtaining information for an effort of this magnitude became at times exhausting...The book is arranged geographically, generally in an east-west direction. Asiais treated country by country |
 | | Journal (issue) |
| Mandarino Famous mineral localities: The Annaberg District, Lower A u stria ...............................paragenesis, classic and new locations, etc. are invited. An audience of knowledgeable amateurs as well as professional...reported here. This wealth of world localities makes for an interesting compilation of occurrences, associated...mine, Czech Republic Mrazek et al. (1994) report an occurrence of namibite from the Elias mine, Jachymov...and pucherite. The namibite here is dark green with an anhedral to subhedral habit. Rough, flattened crystals |
 | | Journal (issue) |
| locality-oriented studies (all laudable scientific goals), with an emphatic note about the value of publication. They...to a researcher or simply to people who want to see his specimens. Insufficient thought is sometimes...specimen is clearly visible for all to see. The viewer can see the subtle details of crystallization,...mineralogy among members of the public who are allowed to see them. That destiny can be fulfilled in only two ways:...and maintain a large mineral collection. Given such an investment, is it not a corresponding responsibility |
 | | Journal (issue) |
| White Development Officer William D. Panczner GOLD! Associate Editors written content Paul E. Desautels...Julius Weber Mamaroneck, N.Y. Articles Collecting gold mining memorabilia................................323 by W. E. Wilson and R. Bentley Nova Scotian gold ..................................................County, California: a modem source of crystallized gold .................................................... 347 by A. R. Kampf and P. C. Keller Harvard gold ............................................... |
 | | Report (edition) |
| extent, minor groups identity of were more exact an artificial systems based forms of minerals are...the rhomboidal or the triangular faces of Magnetite and are unmistakable. prisms of Quartz trapezoidal...Sulphurs, Golds and Coppers striking examples of the Native Elements. Sulphur specimens (see Desk Case...pinacoids, prisms, domes, hemi- pyramids and frequent An sphenoids. examination crystals will generally...California. Particularly choice are the specimens of Gold. 9 The mineral is THE shown here COLLECTION |
 | | Journal (article/letter/editorial) |
| and the symposium is Gold. In the early years of the Tucson show, the price of gold was The Mineralogical...and while gold no longer officially backed American currency, it was nevertheless used as an international...countries. Few gold mines operated in the United States during these years; most earlier mines had failed...forced closure during World War II. The active mines were for the most part underground operations whose...costs had to be balanced against the fixed price of gold, and profits consequently were low. There were universally |
 | | Journal (issue) |
| F. Anastasenko Aenander A. Esoov Science Editor An Editor Wicker KoGaamin Editors % Ludmila A. Cheshko...Cheshko Igor V. Pekov Nikolay 0. E Advertising an Promoting Manager Translators: Andrey L. Cheshko...Anniversary of the Munich Mineralientage, October 2013 The gold of Munich . . 1. Michael B. Leybov Notes from exfübitien.... . ., lcd bene eben ing 65 2. Johan Kjellman Gold: Voitsky Mine, Olonets, South Karelia, Russia ..... ... . .. .. 72 3. Renato Pagano Hallen Gold..» < + <<<: ve NE rene 74 Mineral Shows in Russia, Autumn |
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| ions are held togetherby electrostatic attraction. An exampleis the NaC1 structurein whichthe sodiumgivesup...sodiumgivesup one electronto the chlorineresultingin an assemblage of Ns* and C1- ions which are bondedby the...(24), Appendix 3, which.are essentiallythoseof Golds•chmidt..,:': • Coordination.•-"Coordination" refers•to...not large and is similar on all ions. For example,an ion with radiusof 1.00 A with coordination of 6 will...substitute a Ca2' ion for an Na•* ion in feldspar,an A13+ion must also be substitutedfor an Si4+ionto keepthe |
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| they should be criticized for it. If they produce an inferior exhibit, they should be called to account...collections as well. Today, mineral collectors are an active lot. They have more and better means of communication...more likely to go wherever they must in order to see important new museum displays. Also, major mineral...Colorado N uggets Comstock Mineral Co Creations o f Gold Crystals Unlimited Crystals from Heaven D&J Rare...Minerals Stonekeep Gem & Jewelry, Inc. Singing Bear Gold Panning Superb Minerals India, PVT The Crystal |
 | | Journal (article/letter/editorial) |
| by and belonging to the California Division of Mines and Geology, Department of Conservation, is notable...virtually any item was accepted into the collection in an attempt to maintain a broad offering to the public...The majority of these early pieces were samples of gold ore from the various districts in the Mother Lode...and miners branched out into minerals other than gold, the collection grew in number and diversity at... Located at the southern end of the Mother Lode Gold Belt in the foothills of the Sierra Nevada Mountains |
