 | | Book | | immensely popular handbook of minerals appeared in Germany I obtained a copy fo! my personal library and was...essentials of crystallography, chemistry, and crystal structure. These provide a firm basis for discussion...crystallography at the beginning of the text, crystal systems and associated conventions and terminology...minerals in order to avoid those lamentable errors in crystal forms and colors which are instantly apparent to...slightly reduced, and a few enlarged, as the diamond crystal of Plate 1, depicted in both natural and greatly |  | | Journal (article/letter/editorial) | | gravity picture of the Krušné hory/Erzgebirge granite batholith (Central Europe) Miroslav Štemprok a...2015 Keywords: Krušné hory/Erzgebirge Smrčiny/Fichtelgebirge Variscan granites Sn–W metallogeny Gravity...rare metal deposits and of outcropping and hidden granite bodies. The models show that the overlapping of...Mo (rare metal) deposits of greisen, skarn and quartz vein type occur in a close spatial association...deposits of Central Europe belong to collision (granite) — related deposits, which formed in the late stages |  | | Book | | Mineral Formation External Form of Minerals Crystals Crystal Symmetry Appearance and Development of Crystals...Crystals Aggregates Growth of Twin Crystals Crystal Faces Pseudomorphs Physical Properties of Minerals Specific... perfect lustre and the regularity of form of crystal have long had a particular charm for man. This...identification keys and books depict idealized crystal forms. In nature, however, such forms are very...particular mineral, e.g. quartz, may vary not only in colour (see plates) but also in crystal form, e.g. the many |  | | Journal (article/letter/editorial) | | graphite-bearing fluorapatite from the Rumburk granite WOLFGANG SEIFERT*, RAINER THOMAS, DIETER RHEDE...GeoForschungsZentrum-GFZ, Telegrafenberg, 14473 Potsdam, Germany *Corresponding author, e-mail: ws@gfz-potsdam.de...was identified in the S-type Caledonian Rumburk granite, Czech Republic. Graphite appears as a finely dispersed...provides the first record of wüstite occurring in granite. Key-words: graphite, wüstite, wagnerite, sarcopside...electron-microprobe analysis, micro-Raman spectroscopy, Rumburk granite. 1. Introduction conditions, which are normally |  | | Book (volume) | | reserved. H., Hofbuchdruckerei, Cothen-Anhalt (Germany). PRECIOUS The Precious Stones. Precious others...which since both of beryl (including emerald) quartz, next of time same graphite, beryllium. ...semi-precious the and those purpose. minerals other quartz display 1896), translated into a mineralogist...regarded are drawn between special valued as quartz good minerals, more and in be properties...will the is light quartz from the lower jour setting, a are at on quartz all much less as | | | Book | | Mineral Formation External Form of Minerals Crystals Crystal Symmetry Appearance and Development of Crystals...Crystals Aggregates Growth of Twin Crystals Crystal Faces Pseudomorphs Physical Properties of Minerals Specific... perfect lustre and the regularity of form of crystal have long had a particular charm for man. This...identification keys and books depict idealized crystal forms. In nature, however, such forms are very...particular mineral, e.g. quartz, may vary not only in colour (see plates) but also in crystal form, e.g. the many |  | | Book | | vugs of crystalline talc. Easily the best extant crystal, a doubly terminated floater found in a talc vug...Litchfield County, where good crystals were taken from quartz veins in a variety of metamorphic, plutonic and...Litchfield, where a mass of white quartz on a ridge had once been mined for quartz, and large ilmenite masses...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,...Shelley Lambert extracted excellent loose ilmenite crystal clusters from a calcite vein-dike digging site |  | | Journal (issue) | | . . . . . . . . . . . .95 by R. Appiani Alpine quartz gwindels . . . . . . . . . . . . . . . . . . ....collection; photo by Thomas Sch pbach. See the article on quartz gwindels in this issue. The Mineralogical Record...collect zeolites and associated species, at the Upper New Street quarry in Paterson, New Jersey. He developed...and quality amazonite crystal groups ever found, as well as albite, smoky quartz, goethite, fluorite,...1979 with an article on the Sweet Home mine. He mined the Dixie mine in Idaho Springs for leaf gold and crystallized |  | | Journal (article/letter/editorial) | | com/locate/lithos Quartz and feldspar zoning in the eastern Erzgebirge volcano-plutonic complex (Germany, Czech...November 2004 Abstract Zoned quartz and feldspar phenocrysts of the Upper Carboniferous eastern Erzgebirge...profiling. The results verify the suitability of quartz and feldspar phenocrysts as recorders of differentiation...and zones, element concentration steps in zoned quartz (Ti) and feldspar phenocrysts (anorthite content...the physicochemical changes of the melt, whereas quartz phenocrysts are more stable and can survive a longer |  | | Journal (article/letter/editorial) | | Auerbach, Germany, a clue to the timing of hypogene and supergene Fe-Al phosphates in NE Bavaria Harald...unknown age in the basement are performed using the crystal morphology of marker minerals such as apatite,...mineralizations in the basement tend to evolve more complex crystal morphologies than equivalent minerals in carbonate...Goethite, Fe-Al-Ca-REE phosphate, chronology, crystal morphology, physico-chemical conditions, epithermal...epithermal, faulting, unconformity-related, Auerbach, Germany Introduction Phosphate retention in Fe oxide systems |  | | | | by Franckh’sche Verlagshandlung, Stuttgart, W. Germany. Adapted by Anthony C. Tennissen. Revised Edition...of minerals, the minerals themselves are of prime im¬ portance. Basically, then, mineralogy deals with...minerals making up igneous rocks are the silicates: quartz, feldspars, micas, augite, horn¬ blende, and olivine...olivine. In sedimentary rocks, clay minerals,_ quartz, feldspars, calcite, and micas are abundant. However...that is, chemical formula, physical properties, crystal system, and most important to you as a collector |  | | Book | | ''The Seven Crystal Systems'': (see back foldout) This visual key explains the seven crystal systems, with...with siderite on quartz, from Neudorf in the Harz Mountains (Germany). The large crystal measures almost...Learning About Minerals 8 What Are Minerals? 10 The Crystal Chemical Classification of Minerals 10 The Properties...Appearance of Mineral 26 1 /2 inch (1 cm). Crystal Classes 26 Crystal Systems 28 Characteristics of Crystals...Cover photo: Rock crystal. ◄ Photo pages 2- 3: Acicular kermesite crystals on quartz, Braunsdorf near |  | | Journal (issue) | | Schneeberg Mining District, Western Erzgebirge, Saxony, Germany ....................................... 620 by...737 ►• - COVER: Erythrite spray, 4.4 cm, in a quartz-lined pocket, from Schneeberg. Gail and Jim Spann...including the famous 1477 "Silver Table" discovery at upper center and a view of the city at bottom. See Figure...Schneeberg District in the famous Saxon Erzgebirge of Germany has been a source of mineral specimens and mineral...1877 "find of the century" in the Weisser Hirsch mine; many fine specimens of gangue species-these are |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest X-ray powder...and opaque minerals. More attention is paid to crystal habit or aggregate development and their sizes...species must contain chemical formula, structure (crystal system, space group, and unit cell dimensions)...very old origin, often without lrnown source. e.g. quartz or cinnabar. Current practice most often names |  | Müller, Axel, van den Kerkhof, Alfons M., Behr, Hans-Jürgen, Kronz, Andreas, Koch-Müller, Monika (2009) The evolution of late-Hercynian granites and rhyolites documented by quartz – a review. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 100 (1). 185-204 doi:10.1017/s1755691009016144 | Journal (article/letter/editorial) | | late-Hercynian granites and rhyolites documented by quartz – a review Axel Müller, Alfons M. van den Kerkhof...late-Hercynian granites and rhyolites documented by quartz – a review. Earth and Environmental Science Transactions...late-Hercynian granites and rhyolites documented by quartz – a review Axel Müller1, Alfons M. van den Kerkhof2...Göttingen, Germany 3 GeoForschungsZentrum Potsdam, Telegrafenberg, D-14473 Potsdam, Germany ABSTRACT:...ABSTRACT: The potential of igneous quartz for providing a better understanding of magmatic processes is demonstrated |  | | Journal (issue) | | slow speed 24" diameters for sawing huge Brazilian Quartz crystals were used. "Streamliners" carry an unconditional................................ 472 CHOATE CHROME MINE. By Peter Z odac ....................................................... 474 PERU'S GREATEST LEAD MINE ···············································..................... 475 MINERAL COLLECTING IN FRANCONIA, N . H . By Sa,nuel C. Brown ........ ...... 475...black P-odular masses. It is found at an old cobalt mine, SO miles due north of Middlebury, in central Transvaal |  | | Journal (issue) | | ............................. 122 123 FRANCONIA IRON MINE, LISBON, N . H . By Harold / . V errow 136.......... 145 COLLECTORS' KINKS (MUSICA~ QUAR1Z CRYSTAL) ............ 145 CLUBS AFFILIATED WITH THE ROCKS...desperate efforts to tell us something about an old mine in North Carolina that had been reopened not so...suggesting that we try to get an article on the mine (worked for magnesium and 124 nickel) for Rocks...Brooklpn, N . Y., has it now. Ana/cite: A large white crystal of this popular zeolite from the noted Fassathal |  | | Journal (article/letter/editorial) | | Sylacauga, Talladega Co., Ala. ARIZONA—The old Yuma mine, famous for its wonderful specimens of vanadinite...am sending some wulfenite xls from the old Yuma mine in the Tucson Mts. These xls range anywhere from...single xls. This mine quit working about 1920 and was mainly a gold, silver, and lead mine." ARKANSAS—Billy...Creek bridge. I was unable to enter the titanium mine, so did not get any rutile. I finally was able to...George A. Ashley, Pala, Calif., at his Vanderberg mine. A letter from Mr. Ashley, dated Aug. 6, 1951, reads: |  | Schaltegger, Urs, Pettke, Thomas, Audétat, Andreas, Reusser, Eric, Heinrich, Christoph A. (2005) Magmatic-to-hydrothermal crystallization in the W–Sn mineralized Mole Granite (NSW, Australia) Chemical Geology, 220 (3) 215-235 doi:10.1016/j.chemgeo.2005.02.018 | Journal (article/letter/editorial) | | crystallization in the W–Sn mineralized Mole Granite (NSW, Australia) Part I: Crystallization of zircon...Bayreuth, Universitätsstrasse 30, D-95447 Bayreuth, Germany c Institute of Mineralogy and Petrology, Federal...hydrothermal transition of the Sn and W mineralized Mole Granite. Magmatic zircon and monazite, thought to have...respectively. Xenotime occurring in hydrothermal quartz is found to be significantly younger at 246.2 F...intrusion of the shallow, sill-like body of the Mole Granite. Later hydrothermal formation of monazite in a |  | | Book | | Sonnenschein (1853) from Zobrze near Gleuirtz in upper Silesia. In 1850, Dana described samoit which has...bluish or greenish veins, crusts, and nests in quartz veins in black clayslates near Alushta and elsewhere...n927) Am. Mineral., vol. 12, p. 78. W. (1932) The crystal structure of kaolinite Zeitchr. Kryst. J. , ...T. Batchelor, a former manager of the Mt. Lyell Mine, Tasmania. The nnineral resembles pyrophyllite,...many varied impurities may be found which include quartz, staurolite, the titanium oxide minerals, magnetite |  | | Journal (article/letter/editorial) | | Gottingen, Goldschmidstrasse 3, D 37077 Gottingen, Germany ¨ ¨ IMMR, Technical UniÕersity of Clausthal, Adolph...Roemerstrasse 2a, D 38678 Clausthal-Zellerfeld, Germany Received 15 September 1999; accepted 4 April 2000...explained. Cathodoluminescence ŽCL. studies of quartz with the optical high-power CL-microscope and the...lower crystal order Žincreasing defect structures. and microtextures indicative of local quartz healing...classifications; Decrepitation; Cathodoluminescence; Quartz 1. Introduction Petrographic microscopy of a rock |  | | Journal (article/letter/editorial) | | hübnerite, chalcopyrite, carpholite, cassiterite, quartz, molybdenite, rhodochrosite, sphalerite, topaz...mineralization in several granite cupolas of the large Kruné hory (Erzgebirge) granite batholith, underlying...15261527. In support of mining activities, the mine owner Jan Pluh of Rabtejn issued mining rules for...tin, especially in Germany, as testified that major tin traders from southern Germany used to pay supplies...and resulted in the decline of mines. To boost the mine production, Krásno and Horní Slavkov were granted |  | | Journal (issue) | | THE BAD LANDS ' BARITES , TIGER - EYE AND ROSE QUARTZ , GREATEST MINING SHAFT IN THE WORLD , TURQUOISE...rare species from a new locality . Magnificent crystal lizations , which in color , lustre , perfection...DESCHONG'S, LEIPERS, LEIPER AND LOUIS' UPPER AND LOWER GRANITE QUARRIES, WITH THAT KNOWN AS THE SWARTHMORE...Zoisite. 4. Grossu- larite. 5. Garnets. 6. Quartz. 7. Smoky Quartz. 8. Muscovite. 9. Damerite. 10. Apatite...Albite. Besides these there has been found Graphic Granite and Chabazite. My first visit to these quarries |  | | Report (issue) | | CT Concept & Design Maximilian Glas, Stamberg, Germany English Edition © 2002 by Lapis International,...www.lapisint.com ISBN 0-971 5371-2-7 Printed in Germany Above: Schor! and microcline from Pakistan's world...Cover: A 22 cm cross section of a liddicoatite crystal from Anjanabonoina, Madagascar. Photo by Bild &...Weise Verlag, Munich, Germany German Edition © Christian Weise Verlag, Munich, Germany ISBN 3- 921656- 31...elbaite crystals with lepidolite from the Golconda Mine in Minas Gerais, Brazil by Eberhard Equit, 1993 |  | | Journal (issue) | | Behnke Northbrook, IL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A...*Continued on p. 496 COVER: AQUAMARINE BERYL crystal, 9.5 cm, with schorl and feldspar, from the Erongo...important assignment at the Shinkolobwe uranium mine. His supervisor was Johannes Vaes (1902–1978). Gilbert...with his fabulous cuprites from the Mashamba West mine, Gilbert only hinted to a few people of his treasures...species have also been recovered, including fluorite, quartz, goethite pseudomorphs after siderite, and other |
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