 | | Journal (article/letter/editorial) | | Geology S ilver was one of the first metals to silver has the highest-known reflectivity of visible light...used by humans, with records Silver crystallizes in the isometof silver mines dating back at least six ric...the When pure, the mineral is simply elemental silver (Ag). However, it Andean mineral theme of the 2003...excepof Au and Hg and, less commonly, tional Peruvian silver has been selected as this issue’s Connoisseur’s...Choice. Figure 1. An unusually aesthetic 8.3-cm silver As, Sb, Bi, Pt, and Cu in solid soluAdditional |  | | Book | | merely heightened this impression. The centuries-old lure of gold has given rise to a great many legends,...Sulphur Pyrite Marcasite Gold Native Gold Silver Native Silver Proustite Arsenic Orpiment - Realgar . ...Meta-Zeunerite 120 Native Cooper 88 Native Gold .' 62 Native Silver 64 Native Sulphur 58 Novacekite 120 Opal 18 Orpiment...Quartz (La Gardette, Isere, France): 10 cm. 2 - Quartz (La Gardette, Isere, France): 12 cm. ir " ft J, f...The region of St. Christophe-en-Oisans (Isere, France) has produced the finest known specimens. The mineral |  | | Journal (issue) | | built specifically to process the ores from local mines. Figure 2. Hugh Lee Pattinson (1796– 1858) patented... Figure 3. Map showing the locations of the various mines and major vein structures in the Caldbeck Fells...and in 1829 first observed the “partitioning” of silver between solid and liquid lead that would be the...mining property that was claimed to be rich in silver, but which The Mineralogical Record, volume 54...local farmers and miners leased the Roughton Gill mines on the Caldbeck Fells (North Yorkshire Record Office |  | | Journal (article/letter/editorial) | | on the structure, chemistry, and texture of wire silver for a master’s of science degree at Miami University...ander210@miamioh.edu rakovajf@miamioh.edu & Wire Silver Kongsberg, Norway Wire Gold Ground Hog Mine, Gilman...Gilman, Colorado S ince the dawn of civilization, silver and gold have been treasured for their surpassing...coins are Figure 1. Section cut through a wire silver from Kazakhstan shows roughly equigranular texture...alloy of silver and gold (Wallace 1987). Throughout history and around the globe, gold and silver have been |  | | Book | | Congress catalog card number: 77-186742 Printed in France by Draeger, Paris CONTENTS Introduction The Birth...Orleans, FRANCE; Curator, School of Mines, Paris 4 F. HOFMANN, Professor, School of Mines, Freiberg...SCHUBNEL, Professor and author, School of Mines, Paris, FRANCE ¥& JOHN SINKANKAS, author and collector...Kongsberg, NORWAY }& PAUL FRAENKEL, collector, Paris, FRANCE jx JOHN FULLER, Mineral Assistant, British Museum...omitted, how is it possible to select two golds, two silvers, two rhodochrosites, and two siderites? When the | | | Book | | Orleans, FRANCE; Curator, School of Mines, Paris ^ F* HOFMANN, Professor, School of Mines, Freiberg...schubnel, Pro fessor and author, School of Mines, Paris, FRANCE ^ JOHN sinkankas, author and collector,...Kongsberg, NORWAY ^ PAUL fraenkel, collector, Paris, France ^ JOHN fuller, Mineral Assistant, British Museum...omitted, how is it possible to select two golds, two silvers, two rhodochrosites, and two siderites? When the...localities: the Egyptians were working gem and gold mines on the Upper Nile River, the Greeks were busy with |  | | Book | | they will probably elude him. Setting aside the lure of one species or many, there are collectors to...specimen-producing veins of the Portuguese tungsten mines, requires some chemical explanation. Uvarovite,...collectors has also brought about exploitation of mines and other properties that would not be worked commercially...counterparts are appearing fresh from the active mines of the world. The one unifying feature for all of...learns that certain specimens, from old or new mines, have been elevated to eminence, like great works |  | | Journal (article/letter/editorial) | | yielded in regard to its L'The location of the mines has been largely meteorology and topography. Of...translation It was supposed that they had been for silver ; of Schiaparelli he will see that such is not...canals, but that he rejects the and not for mica. Silver seems to dominate in mere suggestio11of vegetation...realized. The search for silver being unsucyears before. cessful, the mines were again abandoned. The...substance : Gen Clingman while prospecting for silver a t the sinkhole Mine threw out mica.* A wagoner |  | | Journal (article/letter/editorial) | | of gasoline, there are mineral events aplenty to lure us onto the open road with our vacation days. For...Copper Falls (Petherick), Mesnard, and Arcadia mines. (Who says there aren’t any places to collect anymore...Southeastern University] at 01:10 31 December 2014 Native silver, 6.5 cm, Freiberg, Saxony, Germany. Calcite twin...Karlsbad, Bohemia. Mineral displays will include silvers and fluorites as well as locality groupings from |  | | Journal (article/letter/editorial) | | red of the two most familiar members of the ruby silver family. The acquisition of even a good proustite...collections or once-a-century type finds in operating silver mines. Conse quently, this much-revered mineral has...pyragyrite (Ag SbS ), are commonly called the "ruby silvers." They do not form a complete isomorphous series...known; proustite pseudomorphs after argentite, silver, and stephanite have been reported. Primary proustite...atively shallow, epithermal portions of hydrothermal silver deposits. It also forms by secondary enrichment |  | | Journal (issue) | | Numerous minor actors in this drama had their own gem mines to exploit. This history recounts these tales from...gold. The L’Aigle chondrite meteorite of 1803 from France, at 3.78 grams, is worth 10 times its equivalent...2017 Denver Gem and Mineral Show with “Gold and Silver” as its theme, commemorating that this show was...Telluride, San Miguel County, Colorado with a wire silver with acanthite from Aspen, Pitkin County, Colorado...Miguel County, Colorado from the Colorado School of Mines Geology Museum and photographed by Jeff Scovil. |  | | Journal (issue) | | FineMineral.com NATIVE SILVER WITH PYRRHOTITE AND CALCITE Kongsberg Silver Mines, Kongsberg, Buskerud,... Workings along veins in part of the Berezovsk mines. Figure 30. Overview of gold occurrences in the...Westward Look Show Fluorite “Venus“, Mont-Blanc, France, 8 cm Photo: Malte Sickinger MARCUS BUDIL Monaco...Guatomo mine at Tham Thalu. Production data for the mines during this period are lacking, but by the time...time of Pui Sae Tan’s death in 1878, the family mines were thriving, and the principal export commodities |  | | Journal (article/letter/editorial) | | Mine, Elsa, Yukon Territory, Canada T he ruby silvers are certainly some of the most collectible of all...mineral species, and the two most familiar ruby silvers, proustite and pyrargyrite, have been covered previously...informal family is polybasite, a relatively common silver ore mineral that is rare as fine specimens. Although...essentially a silver antimony sulfide in which copper occurs in substitution for silver in amounts up...(Ag,Cu)16(As,Sb)2S11. Pseudomorphs of stephanite, silver, pyrite, and marcasite after polybasite have been |  | | Journal (article/letter/editorial) | | No. 654. hereafter see that the New Hampshire mines in 1880 yielded twenty cents per $1 invested, which...of the curious nlin erals found in some of the mines. J. G. Heap, the pioneer of regular mica mining...of thiS Journal * to the fact that some of the mines had been worked by the prehistoric inhabitants of...mine, in Yancey, and the Silvers or Sink Hole and the Buchanan or Clarissa mines in Mitchell. The first...was not, however, in searching for mica, but for silver. It was known that at this place were great pits |  | | Book | | Stevia Thompson Bob & Susan Thompson for Idaho Opal Mines, Inc. Christiane Toft in memory of Kaj Toft Douglas...point, plot on a map the location of nearly all the mines, prospects, and surface outcrops that have produced...minerals were pouring forth, year after year, from mines relatively close at hand? This is what brought dealers... lead and zinc minerals from these surrounding mines and deposits. Then there is the horde of attractive...mineralogist, ample reason for visiting the show. Local mines and deposits (in Arizona and across the Mexican |  | | Journal (issue) | | . n o t e s f r o m t h e y EDITOR SILVER ISSUE Among the precious metals, gold has always...behind, however, is silver. Though today only about 2% as valuable by weight, silver was nearly on a par...discerns a warm richness to silver that all the others lack. Furthermore, silver has been found as superb...famous and in teresting localities for native silver. Of course there are hundreds, perhaps thousands...and plenty remain for future issues. Unlike gold, silver forms the basis for an extensive array of addi |  | | Report (issue) | | _______________________________________ General features of silver veins_____.____________________________ Occurrences...mine_______-____________-____________________.___ Other mines._____________________________________________ St...monzonite in composition, has been correlated with the Silver Plume granite of the Front .Range. All types of...GEOLOGY The veins have been mined primarily for silver. Gold has been a subordinate product of most veins...north-central part of the Sugar Loaf district. Native silver was present in some veins, and some of it must |  | | Journal (article/letter/editorial) | | mineral collector, silver and Kongsberg are synonymous, and the place to see the best silver specimens is the...fantastic specimens of native silver mined over many centuries from the great silver deposits of Kongsberg,...grand old silver mine. Explore the History The name Kongsberg has been associated with fine silver for centuries...centuries. Mines in the Kongsberg area, about 80 kilometers west of Oslo, produced more than 1,350 metric...metric tons of silver from the beginning of production in about 1623 until the last mine closed in 1956 |  | | Journal (article/letter/editorial) | | However, this paper will deal pri marily with the mines where the prin cipal collecting is for mineral...been collected. Many who collect at the Creede Mines do not know what minerals to look for and most are...deal only with the mines surrounding the town of Creede. There are numerous other mines and ghost towns...San Juan Mountains. For descriptive purposes the mines will be grouped into four areas as shown on the...East and West Willow Creek areas. History In 1869 silver was discovered at the Monon Hill area at the site |  | | Journal (article/letter/editorial) | | SYNTHESIS OF SOMESULPHARSENITES OF SILVER IN ALKALI SULPHIDE SOLUTIONS. RENI•, B•LAND. CONTENTS.......... 120 122 123 Argentite, Ag.•S and wire silver ...................................... Compoundswith...As:S•), proustiteand xanthoconite(3Ag:A.As:S,), wire silver, and argentirewere preparedin concentratedalkali...experimentalresultsmay explainsomefeaturesof primary silver ores. INTRODUCTION. The ,41kalioCulphide Theory...Theory o1'Ore Deposition.--Thehydrosynthesis of silver sulpharsenites is part of a programof researchcarried |  | | Journal (article/letter/editorial) | | Australia’s best specimen minerals. The Elura lead-zinc-silver deposit in western New South Wales has produced...green mimetite crystals and Australia’s best wire silvers (Chapman and Scott 2005). The New England region...molybdenite specimens from the Deepwater and Kingsgate mines (see Cook in press) and has also produced beautiful...cassiterite crystals, to 6 cm across, from the tin mines around Elsmore (Lawrence 1998a,b). In the Northern...atacamite specimens (see Pring this article). These mines Downloaded by [Korea University] at 06:33 08 January |  | | Journal (issue) | | Reno, Nevada photography Nelly Bariand Paris, France Werner Lieber Heidelberg, West Germany Olaf Medenbach...(Elmhurst, IL) Gilbert Gauthier (Maisons-Laffitte, France) Gemmological Institute o f America, Michael Waitzman...Mateo, CA) Thomas N. McKee, Arizona Turquoise and Silver (Scottsdale, AZ) John C. Medici (Dublin, OH) Frank...lous photos of the abandoned Japanese stibnite mines,” he said to me when I visited him in Fallbrook;...demonstrates the value of personal encounters with the mines and the miners. American Sapphire mine, Yogo Gulch |  | | Report (chapter) | | Sillitoe Department of Mining Geology, Royal School of Mines, Imperial College, London, England 553.067:553...following their accumulation. Copper and subordinate silver were leached from the volcanic rocks and deposited...metals in various proportions, but also base metals. Silver occurs as argentite (or acanthite) and arsenic-...000 oz of silver from both Pachuca and Guanajuato. Furthermore, quite a number of the mines have yielded...yielded more than $1000 000 000 worth of silver and gold at present metal prices. The belt is broadly coextensive |  | | Journal (article/letter/editorial) | | Figure 1. Map showing Hancock where the float silver that was recovered from the glacial till was found;...49913 datolite@charter.net An UNUSUAL Glacial Silver Find In Michigan’s Keweenaw Peninsula Twenty-third...articles on the mines and minerals of Michigan’s Copper Country F loat copper and silver are defined as...experienced over the past 2 million years. The copper and silver were transported by glacial ice, and when melting...caused the retreat of the ice sheet, the copper and silver were dropped in place. Spectacular masses of float |  | | Journal (article/letter/editorial) | | tube from there to the criso. The white and green silvers are where with the first-born of life, and wherever...processes used for extracting the TreatJnellt oC Silver Ores ill Mexico. isms have been preserved and brought...Consul Winslow, of Guerrero, says that in the neigh silver are very primitive. From three hundred pounds globe's...claims to a place among ani borhood of all the mines in Mexico there are haciendas of crude metal only... but de beneficio, or works for extracting the silver from the Some of the richer ores, after being ground |
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