 | | Journal (issue) | | • Email: info@kristalle.com Harz Mountains, Germany by Günter Grundmann Thomas P. Moore Wendell E... Moore COVER: PROUSTITE, 3.5 cm, from St Andreasberg. Germany, found in 1899; ex collection of Richard... Contents The St. Andreasberg Mining District, Western Harz Mountains, Niedersachsen, Germany .............(Simonin, 1869). The Mining District Western Harz Mountains Niedersachsen, Germany Günter Grundmann Eschenweg...minrecord@comcast.net The geographically tiny St. Andreasberg District of silver mines has an outsized reputation: |  | | Journal (article/letter/editorial) | | amounts up to several percent. Pynte, acanthite, polybasite, and silver pseudomorphs after pyrargyrite are...acanthite, tetrahedrite, stephanite, miargyrite, polybasite, silver, calcite, dolomite, and quartz. There...in the early years of mining in the Jo Reynolds mine and in smaller though well-formed crystals in the...Nabob mine at Lawson, Clear Creek County. Bastin (1923) reported crystals of pyrargyrite, polybasite, and...Emma and Smuggler-Altmont mines in the Dunton district, Dolores County. Pyrargyrite was a dominant mineral |  | | Journal (issue) | | Lieber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim............................................ 2 Germany An historical perspective on silver mining in G...Islet Famous mineral localities: the Silver Islet mine, O n ta rio ............... 49 by W. E. Wilson ...Batopilas Famous mineral localities: the Batopilas District, Chihuahua, M e x ic o .........................photo © SILVER crystals, 3.3 by 4.5 cm, from the mine, Kongsberg, Norway. (See the this issue.) Keith |  | | Book | | Vienna. Lower left: Cobaltocalcite group. from Lerida. Spain. Folch collection. Barcelona. Lower right:...Netherlands. Back cover The museum ldar-Oberstein. West-Germany. is quaintly situated beneath the Felsenkirche...Copyright 1986 by . Ulrich Burchard, Lalling, West-Germany All rights reserved including the right of reproduction...Printed in Germany Miscellaneous: Design & Lay Out by Rainer Bode, Haltern, West-Germany Type set by...Wurzburg, West-Germany Colour separations by Litho Thungen GmbH, Thungen, West-Germany H. Bari, Musee |  | | Journal (article/letter/editorial) | | the comments of Tacitus in A.D. 98 describing Germany, Poland, Russia, and the Baltic: “Heaven had denied...or wrath? .I would not go so far to assert that Germany has no lodes of silver and gold. But who has ever...08:48 19 February 2015 Figwd 4. S i e r mining in Saxony with the fii and quenching method. From Georgius...century. Because many of these deposits were in Saxony, Germans became the leading metal miners of the...in central Europe. In 1516, the rich deposit of St. Joachimstal (today called Jachymov) was discovered |  | | Journal (article/letter/editorial) | | Geophysik, Bereich Mikroanalytik, D–44780 Bochum, Germany Abstract Pallancata is a world-class intermediate-sulfidation...later open space infill resembles the Shila Paula district (Chauvet et al. 2006). Fluid inclusion petrography...miargyrite, pyrargyrite-proustite, chalcopyrite, polybasite-pearceite, argentite (now acanthite), and Au–Ag...silver (gold), proustite–pyrargyrite, pearceite–polybasite, acanthite, uytenbogaardtite, Peru Introduction...and is located ~520 km southeast of Lima in the district of Coronel Castañeda, Parinacochas province, Ayacucho |  | | Book (edition) | | Chalcostibite II/E.04-10 462 Emplectite II/E.04-20 464 Polybasite II/E.05-50 466 Stephanite II/E.06-10 468 Proustite...Affiliation/Address Luzerner Str. 10-12, D-12205 Berlin, Germany – Freie Universität Berlin, FB Geowissenschaften...Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Bundesanstalt für Geowissenschaften und Dr. Frank...Stilleweg 2, D-30655 HanDr. Thomas Oberthür nover, Germany Dr. Thomas Kenkmann Museum für Naturkunde der ... zu Berlin, Invalidenstr. 43, D-10115 Berlin, Germany Prof. Dr. Robert Marschik & Ludwig-Maximilians |  | | Book | | Congress Catalog Card No. 66-17809 Printed in Germany 08 011635 3 PREFACE TO THE T H I R D (GERMAN)...N , Troy, New York, USA G. FRIEDRICH, Aachen, Germany H . FROHBERG, Toronto, Canada R. L A GANZA, North...Pullman, Washington R. A. ZIMMERMANN, Heidelberg, Germany 2 Bamdohr, Theorie Minerals XVÜ ABBREVIATIONS...places of extreme differentiation (e.g., at the Frood Mine and at Insizwa) bismuth and tellurium minerals are...solidif}^ at temperatures several hundred degrees lower, and thus after the ore minerals. 2. Magmatic differentiation |  | | Book (edition) | | Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Earth Science Department / College of Science,...Feld 236, D-69120 Heidelberg, Germany Sodenstr. 19, D-12309 Berlin, Germany Graslitzer Str. 5, D-63791 Karlstein...Karlstein am Main, Germany Ludwig-Maximilians Universität, Department für Geo- und Umweltwissenschaften...Ressourcengeologie, Luisenstr. 37, D80333 München, Germany Bundesanstalt für Geowissenschaften und Rohstoffe...Rohstoffe (BGR), Stilleweg 2, D-30655 Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & |  | Diallo, Mamadoudjan, Bouabdellah, Mohammed, Levresse, Gilles, Yans, Johan, Castorina, Francesca, Klügel, Andreas, Mouhagir, Mohamed, El Mouden, Salim, Maacha, Lhou (2021) Mineralogy, Fluid Inclusion, and C-O-Sr Isotope Geochemistry to Unravel the Evolution of the Magmatic-Hydrothermal System at the Igoudrane Silver-Rich Deposit (Imiter District, Eastern Anti-Atlas, Morocco) Minerals, 11 (9) 997 doi:10.3390/min11090997 | Journal (article/letter/editorial) | | System at the Igoudrane Silver-Rich Deposit (Imiter District, Eastern Anti-Atlas, Morocco) Mamadoudjan Diallo...Universität Bremen, Postfach 33 04 40, 28334 Bremen, Germany; akluegel@uni-bremen.de Managem Group, Twin Center...System at the Igoudrane Silver-Rich Deposit (Imiter District, Eastern Anti-Atlas, Morocco). Minerals 2021,...creativecommons.org/licenses/by/ Abstract: The Igoudrane mine with a total production of 700,000 t of ore grading...one of the most productive mines in the Imiter district of the eastern Anti-Atlas in Morocco. The silver-rich |  | | Book (volume) | | Schluckenau, in Northeastern Bohemia, and at Sohland, in Saxony (e) Arsenious Nickel Ores in the Serpentine of...Deposits of North America Marc[uette Iron Ore District in the State of Michigan 7. African Iron Ore Deposits...Iron Ore Deposits in the Lower Silurian of Central Bohemia .... 2. The Lower Silurian Iron Ores of the...Spherosiderites Carbonaceous Iron Ores of Upper Silesia and Saxony Carbonaceous Iron Ores of Great Britain The Iron...Sulphides 1. The Ore Deposits of Schwarzenberg, Saxony 2. The Orebodies in the Crystalline Schists of |  | | Journal (issue) | | c5anvw,((e,vMintrafs Mineral Dealer & Mine gent Levant Gallery Lower Boscaswel I, Pendeen, Near Penzance...pseudomorpbs after orthoclase from Wheal Coates, St. Agnes 30 M.P.Cooper Present day collecting at...Minerals 35 37 FRONT COVER Caledonite. Red Gill Mine., Caldbeck Fells, Cumbria. Largest crystal 1.25... S. Africa, Switzerland, Belgium, Holland and Germany. Necessary to this development, to take up the...associated with veins worked in the Vigra and Clogau mine, and was more than likely a trial for gold in the |  | | Book (edition) | | Rosenzwcig (deceased) (USA). Jochen Schlilter (Germany), J. Sejkora (Czcch Republic), Masaaki Shimizu...Cand CSPG Pennskiye gubemskiye wdomo.sti (Perm district ga=elle) Pl,ilosopl,ical Maga=ine Periodico de...Abernathyitc, K[(UO 2 )(AsO,)](HP) 3, tet., Fumerole No. 2 mine, Temple Mountain. on the southeast flank of the...104(3). 326-328 □ Achavnlitc, FcSe, hex .. Cacheuta Mine. Ccrro de Cacheuta. Sierra de Cacheuta. Mcndoza...AgardJte-(Ce), CeCu.(AsO4)i(OH).-3H1O, hex., Clara mine, central Black Forest, Gennany,A1ifSS(2004),17-23 |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Is. (island), Vole. (volcano), Penin. (peninsula), St. (Saint), Ste. (Sainte). Recent developments in many...tint. R = 35 %. VHN = 26-61. Rare at etc. at Mont St-Hilaire. Quebec. CM 32. 843-854, Georgetown, Clear...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO |  | Wang, Fengxiang, Bagas, Leon, Jiang, Sihong, Zhang, Fuxiang, Liu, Yifei, Chong, Xiaoxiao (2019) Geochronology and ore genesis of the Shuangjianzishan Ag-polymetallic deposit, Inner Mongolia, China. Ore Geology Reviews, 107. 1020-1045 doi:10.1016/j.oregeorev.2019.03.026 | Journal (article/letter/editorial) | | assemblages and textural relationships on the district scale, indicating a relevant overlap in the crystallization...different levels in the underground Shuangjianzishan mine for mineralogical and geochemical studies. Sixteen...and Ag–Se, and include pyrargyrite (Ag3SbS3), polybasite [(Ag, Cu)16Sb2S11], freieslebenite (AgPb3Sb3S8)...source of the Pb and Zn (Fig. 9d, h; Table 2). Polybasite is also major economic Ag-sulfosalts in the vein-type...along cleavage planes in galena (Fig. 9e, f). The polybasite assays 35.53–43.21 wt.% Ag, 6.76–6.87 wt.% Cu |  | | Report (issue) | | dupe lore Prae uid 49 3 ines - wars! aia ooh st iy a0 tp Ge nu * ceria marley 7 rei q —...080; Z = 4 2496Q (Cu/Ni)—East Gold mine, Bowser River district, Portland Canal area, B.C. Composition...5-Fm3m; a = 4.085; Z = 4 235Q* (Cu/Ni)—Freiberg, Saxony (QU, native wire silver) Cell edge by Owen 7...silver Cell Studies, the same (a) 0, 0, S Z = mine, Coantimony). edge by Peacock (Univ. Toronto Geol...11; Z = 4 521 (Cu/Ni)—Germanson Landing, Omineca district, B.C. (about 80 per cent silver). Pattern similar |  | | Journal (issue) | | published monthly by Trimbach Media, Inc., 3585 Maple St., Ste. 232, Ventura, California 93003-3517, telephone...PM Reader Letters IELD NOTES EDITORIAL the mine where we could oversee the valley and stream when...there?) Rock & Gem has been a favorite magazine of mine for years, so it’s a wonderful thing to have it...beryl (var. aquamarine) on albite from Gilgit District, Pakistan, is in the collection of Marc Weill...EDITORIAL SUBMISSIONS: Lynn Varon / Rock & Gem 3585 Maple St., Suite 232, Ventura, CA 93003 (805) 644-3824 ext |  | El Arbaoui, Amel, Bouabdellah, Mohammed, Wafik, Amina, Klügel, Andreas, Jébrak, Michel, Castorina, Francesca, Lowry, Dave, Lecumberri-Sanchez, Pilar, Essaifi, Abderrahim, Maacha, Lhou (2019) The Roc Blanc orogenic Pb-Zn-Ag-Au deposit (Morocco): a product of metamorphic dehydration and CO2 devolatilization during exhumation of the Variscan Jebilet massif. Mineralium Deposita, 54 (3) 437-458 doi:10.1007/s00126-018-0818-0 | Journal (article/letter/editorial) | | / Accepted: 8 June 2018 # Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract The Roc...Universität Bremen, Postfach 33 04 40, 28334 Bremen, Germany 4 Department of Earth and Atmospheric Sciences...and regional tectonics remain unresolved at the district scale; importantly, the question of such genetic...N (Fig. 2). Early exploration in the Roc Blanc district goes back to medieval times during which Roman...zircon; Dostal et al. 2005). Country rocks in the district have undergone polycyclic deformation and associated |  | Li, Z.-K., Li, J.-W., Zhao, X.-F., Zhou, M.-F., Selby, D., Bi, S.-J., Sui, J.-X., Zhao, Z.-J. (2013) Crustal-Extension Ag-Pb-Zn Veins in the Xiong'ershan District, Southern North China Craton: Constraints from the Shagou Deposit. Economic Geology, 108 (7) 1703-1729 doi:10.2113/econgeo.108.7.1703 | Journal (article/letter/editorial) | | Crustal-Extension Ag-Pb-Zn Veins in the Xiong’ershan District, Southern North China Craton: Constraints from...vein-type Ag-Pb-Zn deposit in the Xiong’ershan district, southern margin of the North China craton, is...paragenetic order, argentiferous tetrahedrite, polybasite, jalpaite, argentite, and native silver. These...previously subducted beneath the Xiong’ershan district, facilitated by extensive magmatism and elevated...deposits have been discovered in the Xiong’ershan district along the southern margin of the North China craton |  | Mugas Lobos, Ana Cecilia, Márquez-Zavalía, María Florencia, Lira, Raúl, Hernández, Laura Beatriz (2021) Mineralogy and microthermometry of the Escondida, Gabriela and Margarita mineralized structures from the Cerro Moro epithermal deposit, Deseado Massif, Argentina. Journal of South American Earth Sciences, 105. 103077pp. doi:10.1016/j.jsames.2020.103077 | Journal (article/letter/editorial) | | 1982; Panza, 1982, in Panza et al., 1998), of Lower Pliocene age, covers the previous rocks with conglomerates...different fineness and silver (Table 1), and minor polybasite, pearceite, stromeyerite, mckinstryite, argyrodite...occur in close association with pearceite, re polybasite (Fig. 4d) and jalpaite. Even though it occurs...aggregate with galena, pyrite, 21 sphalerite, polybasite, acanthite + jalpaite (Jal) and covellite; h)...occurs closely related to acanthite, pearceite and polybasite. The chemical composition of silver shows concentrations |  | | Book | | Such metals as Cu, Ag and Zn often pass from a lower oxidation zone to a deeper cementation zone where...is harder and the test may proceed to the next lower grade. Not much force on the scratching point is...aggregates or weathered minerals have usually a lower hardness than the single or unaltered crystals of...For instance, hematite (hardness 6) will have a lower hardness in the radiating or earthy form than in...some differences. Transparency may also become lower because of mechanical effects - small rifts often |  | | Book | | composition into an opaque amorphous mass with much lower properties, such as refractive index and specific...significantly reduced 18O content (down to <10%), much lower than the 18O composition of the solution after reaction...the apatite, with the presence of NaF producing a lower nucleation density, larger crystals and coarser...to end member FAP, whereas samples reacted with lower F content are probably replaced by hydroxy-FAP (Ca10(PO4)6OHxF2x)...between calcite and hydroxyapatite (13.4%) is lower than between calcite and FAP (14.7%). The replacement |  | | Book | | attitude to life. Marcasite. 100 mm. Misburg. Germany 7 i 1. Elements Copper. 42 mm. Cornwall, UK...Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...: Vie in) were found Silver. 52 mm. Freiberg. Germany Copper. 120 mm. Keweenaw Peninsula. U.S.A. in...have been found. Silver, 55 mm. Schwarzwald. Germany Beautiful specimens of wire silver with wires...are known from Freiberg, Schneeberg and St. Andreasberg, Germany. Wires several cm long were also found |  | | Catalog/List | | CRYSTALS NOT rISTOLS • .. OF iVI IRR O :r-.i ST() RE 1<1,9G RROAIYW.\. y (EAST) AOOVE -!-:JRU STREET...Thurn, Saxony Wulfenite, Mammoth, Arizona. Pyrargyrite, crystallized, Samson Mine, Harz, Germany Cuprite... Malachite, Copper Queen Mine, Bisbee, Arizona Malachite, Copper Queen Mine, Bisbee, Arizona Native Silver...Silver, Aspen, Colo., Mollie Gib son Mine, one of the greatest Silver Mines ever discovered. Native...Calcite, Golden, N. M. Gold Leaf on Quartz, Burdette Mine, Nevada Co., Cal. Agatized Wood, Adamana, Arizona | | | Book | | illustrated Encyclopedi of the World’s Rocks and Mine re L A R E N MI OF THE WORLD Rudolf Duda and...Such metals as Cu, Ag and Zn often pass from a lower oxidation zone to a deeper cementation zone where...is harder and the test may proceed to the next lower grade. Not much force on the scratching point is...aggregates or weathered minerals have usually a lower hardness than the single or unaltered crystals of...For instance, hematite (hardness 6) will have a lower hardness in the radiating or earthy form than in |
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