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| realgar mineralization in marbles from Saualpe, Carinthia, Austria R. GoÈd1 and J. Zemann2 1 2 È sterreichisches...Vienna, Austria O Institut fuÈr Mineralogie und Kristallographie, UniversitaÈt Wien, Vienna, Austria With...December 30, 1999 Summary The ``Geochemical Atlas of Austria'' shows a notable positive geochemical arsenic...Saualpe, eastern Carinthia, Austria. Detailed investigation has shown that it is caused by an unusual kind...small, stellate aggregates) and realgar ( minor orpiment). The As content may reach as much as 1.4 wt-% |
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| geochemistries and geologic occurrences are quite varied. Orpiment (As2S3) has already been covered in this column...known as beta-AsS is believed to be Robert B. Cook, an executive editor of Rocks & Minerals, is a professor...shallow veins, hot springs, and fumaroles. It is an uncommon accessory mineral in certain sedimentary...coal-mine fires. Commonly associated minerals include orpiment, stibnite, a variety of sulfides and sulfosalts...1941) and was an unusual mineral occurring in calcite at the Lower New Street trap-rock quarry at Paterson |
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| for within several months they asked me to render an opinion as to its suitability for translation and...neglecting the truly important European localities. As an amateur handbook, this one makes no pretense at being...method of indicating increasing quality by the use of an increasing number of exclamation points within parentheses...version are truly those intended in the original. As an outgrowth of this study a number of errors in the...renditions are all the more remarkable because he is an ardent amateur mineral collector and is therefore |
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| 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...to crystallographic tenns (e .g. prismatine), to an organization (e.g .. mgriite). to a journal (minrecordite)...form. Many minerals display characteristic twinning, an intergrowth of two or more individual crystals of...Miller indices are used. For instance, the symbol for an orthorhombic dipyramid form is { 111}, for a hexagonal |
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| MINES AND MINERALS OF AUSTRIA By P H I L I P M O R R I L L EastDerry, N. H. 03041 This data was accumulated...These operations are on leased land and trips to Austria. While it may be the most not open to the general...two or more until a more rounded text results. Austria is defined here as what is localities. presently...mineral museums of torically, within recent times, Austria in which the best is the Natural History cluded...map that is on the folder around Hiittenberg in Carinthia. Mica of each map. The map numbers appear (phlogopite) |
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| Lee Boltin Based on the original work “Bunte Welt der schonen* Steine” by Werner Lieber, © 1969 by Franckh’sche...could hardly determine the origin of rocks, nor could an economic geologist study valuable ore materials....which involve very simple hand tests which will be an invaluable aid in your identification of specimens...mineral with a Sp. G. of 3 is 3 times heavier than an equal volume of water. Even with these tests, you...poorly developed external appearances. If you X-ray an amorphous-looking mineral, you will find that it |
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| Verlagshandlung, Stuttgart, W. Germany. Anthony C. Tennissen. der schénen* Franckh’sche Adapted by Revised Edition...could hardly determine the origin of rocks, nor could an economic geologist study valuable ore materials...where take a brief look mineral—all of which will be an they are most commonly found. Let us at the principal...mineral with a Sp. G. of 3 is 3 times heavier than an equal volume of water. Even with these tests, you...poorly developed external appearances. If you X-ray an amorphous-looking mineral, you will find that it |
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| A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...combination of space for growth, sufficient time and an adequate supply of chemical nutrients. Well-formed...In the larger open spaces, the crystals can reach an impressive size. Among the many minerals found within...carbonate. Geologists can figure out how quickly an igneous rock formed by the calcium carbonate can...of its crystals. If the magma has escaped from in an ocean evaporates, the chemicals in the remaining |
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| obtained, more Note. - Galena offer large the an "iron cap” small often crystals it was Diorite...sharp, transparent stock, including with notches an side. the get a (see figure,) both have which...to the third twinning plane. horizontally with an and in occasional law, In all some a received...with “feathers” white cleavage planes. Recently an extraordinarily large quartz twin was received from...distinctly ately with the reproduction exact an but simple crystals CHIASTOLITE FROM Chiastolite |
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| reference shelf and for work in the field this will prove an indispensable book. 306 colour photographs, 26 black...such figures should only be considered as indicating an order of magnitude. ISBN 0 7188 2011 8 Illustrations...Top left: Lapis Lazuli (see No. 96) Top right: Orpiment with Realgar (see No. 288) Bottom: Garnets in...Min¬ erals are not dealt with in isolation but as an integral part of the rocks in which they are formed...or more metals. Since the economic importance of an ore, and therefore its working, depends on conditions |
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| Salzburg, Hellbrunnerstrasse 34, A-5020 Salzburg, Austria 2 Department of Mineralogy, South Australian Museum...Azarbaijan, Iran. The new species is associated with orpiment, rarely with galkhaite, hutchinsonite and cinnabar...93 g cm 3. Unit-cell parameters were determined by an electron-diffraction study and refined from X-ray...crystallization sequence, and was formed after orpiment, contemporaneously with quartz II, at a temperature...1998 to 2002. The bulk of the samples consists of orpiment, frequently in perfectly formed and aesthetically |
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| Metaliferi Mts. 15 4. Baia Mare metallogenic district 64 5. Other sources of native gold from Romania...extremely rare specimen, called „The Ballerina” is an unique assemblage of several gold dodecahedral crystals...complex gold telluride which has been known with an undecided chemical formula (Pb5Au(Te,Sb)4S5-8(?)...some measurement results. The Au:Ag ratio represents an index of native gold quality and of the genetic conditions...unit. For instance, in BradSăcărâmb metallogenic district, the Au:Ag ratio is relatively uniform (45% to |
 | Peters, Stephen G., Ferdock, Gregory C., Woitsekhowskaya, Maria B., Leonardson, Robert, Rahn, Jerry (1998) Oreshoot zoning in the Carlin-type Betze orebody, Goldstrike Mine, Eureka County, Nevada. Open-File Report Vol. 1998 (98-620) US Geological Survey doi:10.3133/ofr98620 | Report (issue) |
| illite- and clay-rich selvages around unaltered marble or calc-silicate rock phacoids implies that fluid...illite-claypyrite oreshoots; (3) realgar- and orpiment-bearing oreshoots; (4) stibnite-bearing siliceous...associated with formation of the realgar- and orpiment-bearing, and stibnite-bearing oreshoots. Additional...hydrothermal flow, and together they appear to be an integral part of the formation of some Carlin-type...trend. Major mines are noted as follows: GQ = Gold Quarry, SG = Genesis-Blue Star, GS = Goldstrike (Betze |
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| November 1-3, 1996 MINERA MINERALIEN-Welt. Das Magazin der Sammler. Alle zwei Monate neu und aktuell. Mit attraktiven...Fundstellentips, dem kostenlosen Kleinanzeigenmarkt und der Bücherecke. Woeto Мир ин . The o n l y Russian...Alexander A. Evseev WORLDWIDE MINERALOGY: A SKETCH OF AN EXPOSITION (PART 1: THE EASTERN HEMISPHERE) Natal'yа...radiation generated by an I I 181 illuminatorwith a black light filter (Wood's glass) or an LGI-505 nitrogen...region in 1986 and suggested that the geologists use an ultraviolet lamp, which enabled them to recognize |
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| ROCKS AND MINERALS Michael O’Donoghue GALLERY BOOKS An Imprint of W. H. Smith Publishers Inc. 112 Madison...published in the United States 1990 by Gallery Books, an' imprint of W. H. Smith Publishers, Inc., 112 Madison...the field is the natural glass obsidian. This forms an amorphous material since cooling is too quick for...metamorphosed sandstone and forms a hard rock. Marble forms from the metamorphosis of limestone and may...heat and pressure are accompanied by gases preceding an intrusion the existing sedimentary rock may alter |
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| Cassiterite 70 Sphalerite 71 Galena 72 Orpiment Pyrites 73 74 Marcasite 75 Chalcopyrite Bornite...Calcite 79 80 81 Cobaltocalcite Onyx marble 82 83 Landscape marble Smithsonite 85 84 108 102 Introduction...structure of a mineral can be 'photographed' on to an x-ray plate. These and many other sophisticated techniques...although a few rocks consist of one mineral only (e.g. marble, which in its pure state consists entirely of calcite)...'basic' rock, and rock formed from the remaining magma an 'acid' rock. Liquid magma forcing its way to the |
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| list a few extra specimens fer that purpose add an It is also possible to send a limiting cheque: The...read,for example 'Pay Richard Tayler' 'Not more tt,an thi 1·-ty Ponnds ~ I will then fill in the actual...limonitic matrix, (Herrnitage, 13814 Steiermark, Austria) An unusual Scandium Fhosph::1te. About iins to ~ins...te quartz covered wi th the indenta tions made by an octahedral crystals which is no longer there. Whatever...by XRD nnd energy Dispersive analysis. Tirol, Austria) : Jns -?,- size piece 9 showinc; 1 or 2 micro' |
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| and/or illustrations/ Planches et/ou illustrations an couleur I I I Showthrough/ Showthrough/ shall...la couverture an papier est imprimte sont filmte en commencant par Ie premier plat at an tarminant soit...Tous las autres axempiaires originaux sont filmte an commanpant par la premiere page qui comporte une...tha methods right required. 1 2 et de haut an baa. an pranant Ie rombre d'images n^essaire. Lea diagrammes...Hallein, 9. L. Hallein, Lower Lower Austria. Fibrous. Austria. Lamellar, color sky blue and white |
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| 1/2 x 1/2 f3.5O lxl f5 C266 DEFERNITE 37 Km east an matrix. l/2ins size (Bou Skour, matrix f7 rich...mineral has only been found in The Mendips. (Merehead Quarry Mendips Somerset) f3.50 C273 COLORADOITE Mine...green crystals Russia) f4 (Ra- el-Anz, CuSbS/2 An unusual thin brown coating. (Huaron Min~ spots...areas in matrix XRD) A W matrix (Bessie Tyube Quarry on Basalt.(Island "B" - C278 GOETHITE really...masses richly scattered in white (Meldon Aplite Quarry, neax Okehampton Devon) lxl SOp lx2 fl.00 2x2 f2 |
 | Stepanov, Sergey Y., Palamarchuk, Roman S., Varlamov, Dmitry A., Kiseleva, Darya V., Sharpyonok, Ludmila N., Škoda, Radek, Kasatkin, Anatoly V. (2021) The Features of Native Gold in Ore-Bearing Breccias with Realgar-Orpiment Cement of the Vorontsovskoe Deposit (Northern Urals, Russia) Minerals, 11 (5) 541 doi:10.3390/min11050541 | Journal (article/letter/editorial) |
| Native Gold in Ore-Bearing Breccias with Realgar-Orpiment Cement of the Vorontsovskoe Deposit (Northern...Native Gold in Ore-Bearing Breccias with Realgar-Orpiment Cement of the Vorontsovskoe Deposit (Northern...native gold in ore-bearing breccias with realgar-orpiment cement from the Vorontsovskoe gold deposit (Northern...other minerals. The latter include both common (orpiment, barite, pyrite, prehnite, realgar) and rare species...trend in change of the composition of native gold (an increase in the fineness of gold from high-temperature |
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| afterwards. I can take phone orders but prefer you to have an order number ready. I Individual Customers, please...mass of black crystals, some Mount Malosa, Zomba District, free standing. ______ ______ Malawi Black crystal...Arizona Pure green cleavage AMAZONITE Landsverk quarry, Evje, Norway Ixl 50p lx2£l 11 felspar group____________...£3 7 Pure black mica plate new Analysis , Saga Quarry, Tvedalen near ANNITE Mica__________ paper available...Chrysotile, pale grey-green Ixl £1 County Bridge Quarry,Lizard Mg Fe SiO_______ massive. _________ .Cornwall |
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| Golden Topaz, 3.5 inches, from Katlang, Mardan District, Pakistan; Freilich Collection. OPENING SPREAD:...The mineral collecting “elite” in America have been an impor tant influence for centuries, from the time...millenium with renewed vigor. Since the early 1990’s an organization called The U.S. Trust has surveyed the...taxpayers,* a group of affluent individuals earning an average of nearly a quarter million dollars per year...fully 29% of these people invest in collectibles, and an increasing number of them harbor a love of fine mineral |
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| aid to 220 species and varieties • • Includes an introduction to the world's key mineral-forming environments...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...Publishing we believe that business should be conducted in an ethical and ecologically sustainable way, with respect...forests. Certification ensures forests are managed in an environmentally sustainable and socially responsible |
 | Xie, Guiqing, Mao, Jingwen, Richards, Jeremy P., Han, Yingxiao, Fu, Bin (2019) Distal Au Deposits Associated with Cu-Au Skarn Mineralization in the Fengshan Area, Eastern China. Economic Geology, 114 (1) 127-142 doi:10.5382/econgeo.2019.4623 | Journal (article/letter/editorial) |
| present in carbonate-hosted Au ores outside the marble front. New zircon U-Pb ages indicate that the granodiorite...formation of mineralizing intrusions from mixtures of an enriched mantle-derived mafic magma and a lower crust-derived...crust-derived felsic magma. The Jiurui ore district is located in the western part of the Middle-Lower...of China showing the location of the Jiurui ore district, and Tongjing Cu-Au deposit (T), MiddleLower Yangtze...(MLYRB). (B) Simplified geologic map of the Jiurui district showing ages of granitic rocks related to Cu-Au |
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| MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning...beginning of the 20th century, the Trimouns quarry became well known to collectors around 1990 for the...crystals to 2.5 cm have been found with spine! in marble less than 1 mile southwest of Amity (Chamberlain...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...COLUMBIA Ice River complex. The Ice River complex is an intrusive body of alkaline igneous rocks where sodalite |
