 | | Journal (issue) | | Delafossite after Copper (?). Bisbee, Arizona Chalcocite after Sphalerite. Butte, Montana Grossularite...Brookite. Magnet Cove, Arkansas Pyrite after Chalcocite. Cornwall, England Quartz after Diopside. Pierrepont...chalcedony after barite, celestite, dolomite, fluorite, and barytocalcite.) The very common pseudomorphs...incrustation pseudomorphs of witherite after barite, fluorite after calcite, cerussite after anglesite, calamine...calamine after sphalerite, dolomite after fluorite.) The strong tendency a substance has to adsorb its own |  | | Report (issue) | | 4 cm, from the Palelni mine, Molo village, Momeik Township, Kyaukme District, Shan State, Myanmar. The...==== of the rare brochantite of the Los Azules mine in Chile: spherical tufts of emerald-green fibrous...matrix. Brochantite, 4.8 cm, from the Los Azules mine, Quebrada San Miguel, Copiapo Province, Atacama...of bornite pseudomorphous after chalcocite from the Las Cruces mine near Seville in southern Spain: you’ll...brought excellent, newly recovered chalcocite specimens from that mine to the 2020 Tucson Show (see the |  | | Catalog/List | | £10 2x2 £15 Ix! £3 lx2 £6 I · 88 ADAMITE Ojuela Mine, Mapimi, Mexico Colourless to yellow small crystals...lx½£5 ZnAs0/4 2 AEGIRINE Mount Malosa, Zomba District, Malawi Rich mass ofblnck crystal sections ,on...£10 2x3 £15 Na Ca SiO F 7fJ 7 ■ AJOITE Christmas Mine, Gila County, Arizona USA Blue veinlets in matrix...feldspar with minor fluorite. X 20 needed 1.5cm £4 no/2 feldspar 37 ANCYLITE Ce Dark Star Mine,Ravalli County...■■ ALLARGENTUM Hartenstein, Erzebirge, Saxony Germany Silvery plates on 1cm matrix. Some with saffiorite |  | | Journal (article/letter/editorial) | | superb example of the mineral. It was from Saxony, Germany, and was to me at that time a thing of beauty and...a sooty coating very similar to that of some chalcocite specimens. In polished section the color is gray...National University] at 06:43 31 December 2014 mine in Colorado, and they found virtually the entire...bornite, calcite, dolomite, siderite, barite, fluorite, and quartz. Associates also include the rare...rare minerals zinkenite, jamesonite, hübnerite, chalcocite, bismuth, bismuthinite, cassiterite, and molybdenite |  | | Book | | quite frequently, e.g. in cassiterite gypsum, and fluorite. In some cases the growth of twin crystals results...often Twinned Crystals of (from left to right): fluorite, gypsum, cassiterite 17 grows columnar crystals...felspar 2. gypsum 7. quartz 3. calcite 8. topaz 4. fluorite 9. corundum 5. apatite 10. diamond These hardness...(See drawing) Cleavage (left to right): galena, fluorite and calcite Fracture Some minerals, such as quartz...subjected to certain conditions, such as heating, e.g. fluorite. This ability is called thermoluminescence. Another |  | | Catalog/List | | 94403 U.S.A. Old No. l Headfnme. Whi ■ key Hlll Mine, Tuohnne County, CaUfomla (r■-,u. .SV•t- tor cr11•t•J...association. Few of the minute crystals you see on mine or quarry dumps or even on cabinet specimens will...dumps or surface float. Mirute crystals seen on a mine dump are a clue but nearly always tao weathered...'hite hairs on feldspar. 784 ADAMITE, Moha\'.1k Mine, San Bernardino County, r.alifornia. Group o f colorless...128 129 Mtd. lhntd. ANDERSONITE, Ambrosia Lake District, McKinley County, NewMexico. Minute bright green |  | | Journal (article/letter/editorial) | | Library] at 03:41 01 August 2012 Olivenite TSUMEB MINE, TSUMEB, OSHIKOTO REGION, NAMIBIA H ydrothermal...specimen of olivenite from the worldfamous Tsumeb mine in Namibia, where attempts at specimen mining have...secondary copper assemblages from the Black Pine mine in the Phillipsburg area of Granite County (Waisman...and Gibbs 1983; Anthony et al. 1995). At the 79 mine in Gila County, olivenite occurs as small, olive-green...brochantite and anglesite (Keith 1972). At the Grandview mine, Coconino County, small prismatic olivenite crystals |  | | Journal (article/letter/editorial) | | various iron and copper minerals, manganese oxide, fluorite, barite, natrolite, and smectite clay. Regardless...hematite, manganese oxide, various copper minerals, fluorite, barite, natrolite, and the chromium-rich smectite...Isle of Wight, England Kansas, USA Geiseltal, Germany British Columbia, Canada Ellesmere Island Arctic...Italy California, USA Weimar, Germany California, USA Northern Iceland Germany Hungary Washington, USA [5]...0.74 0.38 Fe O * SiO2 3.6 3.1 Black Diamond Coal Mine 29.8 38.1 CaO MgO 56.3 51.7 0.74 0.38 Fe2 O3 * AlSiOO | | | Book | | quite frequently, e.g. in cassiterite gypsum, and fluorite. In some cases the growth of twin crystals results...often Twinned Crystals of (from left to right): fluorite, gypsum, cassiterite 17 1 * Is g I grows...talc 2. gypsum 7. quartz 8. topaz 3. calcite 4. fluorite 9. corundum 10. diamond 5. apatite These hardness...drawing) i-l Cleavage (left to right): galena, fluorite and calcite Fracture Some minerals, such as quartz...subjected to certain conditions, such as heating, c.g. fluorite. This ability is called thermoluminescence. Another |  | | Book | | approximately 5 cm taii and is from the Eagle's Nest mine, Piacer County, California. Ross Beaty Collection.... . . . . . . .. 18 Cassiterite . . ..20 Chalcocite . . . . . . . . . . . . . . . . . . . . . . .... • .. .•.••...••••. . . . . .. .•. .... 14 Chalcocite . ........ ..... .. .... Chalcopyrite • ....References: Chace F.M. (1956) Abbreviations in field and mine geclogical mapping. Economic Geclogy, v. 51, p....polybasite and also galena. llourile. tetrahedrite. fluorite. and cobalt-nickel ores. s: ,. Mode of Occurrence |  | | Catalog/List | | mineral, "At were of large, prisms, of this mine have been obtained, more Note. - Galena offer...in the specimens Dundasite, bunches samples Mine, of occurs lode. beautiful white large more...originally Cornish mining ceeding by colour, Mine fractures of great the mineral often Mount ...extremely some rarely Anglesite. Embolite, back Mine. with minute of small of capping gossan the... 'holy fallen filled with the olivine it district: from or at regarded The moderate a at high |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...named according to chemical composition (e.g. fluorite). to crystallographic tenns (e .g. prismatine)...g gold). ductile (e.g. copper). sectile (e.g. chalcocite). elastic Optical co11sta11ts ill reflected light...to reflect the light gypsum. 3 - calcite, 4 - fluorite, 5 - apatite, 6 - ortho- beam on the polished...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g. |  | | Journal (article/letter/editorial) | | such as covellite as cases in point. (CuS) or chalcocite (Cu 2 S), to precipitate and increase overall...factor is the (paleo)climate D-30167 Hannover, Germany E-mail: haralddill@web.de, website: www.hgeodill...311–316 311 O C TOBER 2015 zone (e.g. cuprite, chalcocite, digenite, covellite, berzelianite, umangite)...is locally preserved as an “armored relic” in fluorite and barite and is preserved in the orecretes even...historic Nabburg–Wölsendorf mining district of northeastern Bavaria (Germany), different minerals are associated |  | | Journal (article/letter/editorial) | | pyrargyrite, stephanite, polybasite in Obersachsen (Germany), Fresnillo in Zacatecas and acanthite appeared...Guanajuato (Mexico) and has become the richest silver mine in the world, in more recently Bou Azzer and Imiter...ceased vein. The San Juan production by the de Rayas mine in time of World War II. Guanajuato also In 1946...very city In Morocco, the of Oberschlema Bou Azzer mine, itself, which finally already very had to be relocated...and east of Schlema, 2014 Tucson show. The Imiter mine began its modern producing many quality specimens |  | | Journal (article/letter/editorial) | | Placitas district (Sandia Mountains), NE of Albuquerque: schorl. Tijeras Canyon district (Manzano Mountains)...Mountains), E. of Albuquerque. Galena King mine: barite, fluorite, galena, malachite. Hell Canyon subdistrict...subdistrict (Seiiora de 10s Milagros mine): copper, cuprite, malachite. Catron County Apache Creek, N. of Reserve:...(chalcedony). Mogollon district, NE of Glenwood: acanthite, bornite, chalcocite, fluorite, gold, hematite,... SW of Reserve: labradorite. Taylor Creek Tin district, Black Range. Adobe Ranch: cassiterite, hematite |  | | Book | | Rehoboth The Central and South-CentralDeposits Onganja Mine and Surrounding Copper Deposits The South The Pegmatitesin...natural science museums in the World, and our Tsumeb Mine has been labeled the "World's greatest mineral locality"...World's largest hard-rock tin mine and the World's largest open pit uranium mine. Geotourism and collecting...by Dimitri lvanowitsch morethantwicethesizeof Germany but, Mendelejew,and it validated the rulesof with...the work of Hermann Niesz, a mining engineer and mine surveyor from Freiberg.HermannNieszwas the first |  | | Journal (article/letter/editorial) | | de/chemer The fluorite deposits NE of Regensburg, SE Germany—A mineralogical and chemical comparison of unconformity-related...D-30631 Hannover, Germany Bürgermeister-Knorr Str. 8, D-92637 Weiden i.d.OPf., Germany In der Zell 4, D-93149...D-93149 Nittenau, Germany a r t i c l e i n f o Article history: Received 21 November 2011 Accepted...May 2012 Keywords: Fluorite Unconformity-related Vein-type REE distribution SE Germany a b s t r a c t...fluorite mining district was located NNE of Regensburg at Nabburg-Wölsendorf, Germany. Together with some |  | | Journal (article/letter/editorial) | | pohwatp@si.edu ENARGITE Longfellow Mine, Red Mountain District, San Juan County, Colorado Are all things...the north orebody of the Longfellow mine, Red Mountain district, San Juan County, Colorado. Specimen...sedimentary-hosted lead-zinc deposits of the Tri-State district in the United States. It is known to replace pyrite...in turn, may be replaced by bornite, galena, chalcocite, covellite, and pyrite (Uytenbogaardt and Burke...Frondel 1944). The copper arsenates of the Tintic district, Utah, and of Tsumeb, Namibia, result from the |  | | Report (issue) | | splendid new specimens from a recent chalcocite find in the Las Cruces mine, Gerena near Seville, Andalusía...Andalusía, Spain—and I wrote about this chalcocite, too, as perhaps you have seen in the Tucson report in May-June...Jordi has posted 15 handsome specimens of the new chalcocite, from thumbnail to smallcabinet size. They show...over a dark brown to black matrix of massive chalcocite, pyrite, and Sb-rich tennantite, with a little...little white calcite mixed in. Really good Spanish chalcocite is indeed something new, so let us appreciate |  | | Catalog/List | | 01872 223 227 (UK Time 8am -9pm) FLUORITE,Rosilare Level.Minerva Mine No 1 ,Cave-in-Rock District.Southem...Southem Illonois.Xtl group of interlocking fluorite cubes to side length 23mm showing pale zonation, pale...£24 3. FLUORITE.Cave-in-Rock.lllonois.USA.Pure fluorite Ml consisting of interlocking very dark mauve...£10 9. SPHALERITE,var.Ruby Blende.Mid-Continent Mine,Pitcher.Oklahoma,USA Rich continuous druse of ruby...little milkky quartz Attractive D SPC C £24 17. FLUORITE on SPHALERITE,Naica,Chihuahua,Mexico.Ljovely xtl |  | | Journal (issue) | | Behnke Northbrook, IL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A...Articles Famous mineral localities: The Bristol copper mine, Connecticut......................................in the U.S.A. notesfrom th r EDITORS OLD YUMA MINE Another great mineral locality has now been closed...longfamous Old Yuma mine near Tucson (see R. L. Jones, “Famous mineral localities: the Old Yuma mine,” in vol....period of activity, access to the mine was cut off in 1984. In 1996 the mine area was absorbed into the Saguaro |  | | Book | | Design: Hansbernd Lindemann, Berlin. Printed in Germany. Preface More than thirty years ago, microprobe...shales, hornfels and granites of the Harzburg district, showed that the amount of boron decreases from...jamesonite, canfieldite, pyrargyrite, franckeite, fluorite. 5. Carbonates." However, the concept of paragenesis...Lille in France, Severgin in Russia, Vezrer in Germany, Jemson in Britain and other scientists at the...tourmaline, topaz. (ii) Siderite (often manganiferous) fluorite, calcite, barite, chalcedony (epithermal ores) |  | | 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 & |  | | Journal (article/letter/editorial) | | associations from Greenland, Canada, Morocco and Germany were investigated with respect to their sulfide...Schweizerbart’sche Verlagsbuchhandlung, Stuttgart, Germany DOI: 10.1127/njma/2018/0095 eschweizerbart_xxx...et al. 2008) and from the Urach volcanic field, Germany (Wilson & doWnes 2006, lustrino & Wilson 2007)...evolved of these bodies is the Ilímaussaq complex (ILM), which formed from several successively intruding...Saint Hilaire (MSH) Tamazeght (TMZ) Ilímaussaq (ILM) Tuqtutôq – Younger Giant Dyke Complex (YGDC) Locality |  | | Catalog/List | | clear,tabular MIN,118. 10. ANNABERGITE.Kamareza Mine,Laurium,Greece.Dr HG Weller label. Quartz fragment... 14. APATITE VAR FRANCOLITE. Simms Lode,Geevor Mine,Trewellard,Cornwall. Choice,very rich specimen....Aragonite to 10mm. LC ,.tlO. 17. ARAGONITE.Kamareza Mine,Laurium,Greece. 3 specimens. Specimens A and B.... ARSENOPYRITE/BORNITE/CASSITERITE. South Crofty Mine,Camborne, Cornwall. Grey sulphidic,vuggy matrix...lustre. specimen. SC,.t4. 23. AURICHALCITE.Cha Kouh Mine,Isfahan,Iran. Earthy,limonlte stained vuggy matrix |
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