| from the Bellerberg (Bellberg) volcano, Eifel, Germany Tamara Mihajlović, Christian L. Lengauer, Theodoros...from the Bellerberg (Bellberg) volcano, Eifel, Germany. – N. Jb. Miner. Abh. (179): 265 – 294; Stuttgart...from a quarry at the Bellerberg (Bellberg) volcano lava field (near Ettringen), 2 km north of Mayen, Eastern...Eastern Eifel volcanic area, Germany. Rondorfite, not uncommon in Ca-rich xenoliths at this locality, forms...in xenoliths from the Bellerberg volcano near Ettringen, located within the Quaternary volcano region |
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Lengauer, Christian L., Kolitsch, Uwe, Tillmanns, Ekkehart (2009) Flörkeite, K3Ca2Na[Al8Si8O32]·12H2O, a new phillipsite-type zeolite from the Bellerberg, East Eifel volcanic area, Germany. European Journal of Mineralogy, 21 (4). 901-913 doi:10.1127/0935-1221/2009/0021-1952 |
Journal (article/letter/editorial) |
| from the Bellerberg, East Eifel volcanic area, Germany CHRISTIAN L. LENGAUER1,*, UWE KOLITSCH2 and EKKEHART...xenolith from a quarry at the Bellerberg volcano near Ettringen, East Eifel volcanic area, Germany. The paragenesis...xenolith from the Bellerberg volcano SE of Ettringen, Germany, which is located within the region around...‘‘unusual phillipsite’’ by Bernd Ternes, Mayen – Hausen, Germany. Preliminary results on the structural...investigated material was found in the quarry of the firm ‘A. _Caspar_’ within the Bellerberg volcano (N 50 |
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Belakovskiy, Dmitriy I., Cámara, Fernando, Uvarova, Yulia (2020) New Mineral Names*,†. American Mineralogist, 105 (8) 1275-1284 doi:10.2138/am-2020-NMN105819 |
Journal (article/letter/editorial) |
| Carmeltazite, ZrAl2Ti4O11, a new mineral trapped in corundum from volcanic rocks of Mt Carmel, Northern Israel...melt interstitial to, or included in, skeletal corundum crystals found in the pyroclastic ejecta in mafic...Israel. The associated minerals include tistarite, corundum, anorthite, osbornite, spinel, unnamed REE phase...unnamed TiB2, TiO, and TiN. Carmeltazite hosting corundum aggregates thought to have formed near the crust-mantle...U–Se–polymetallic deposit Schlema–Alberoda, Erzgebirge, Germany (Dymkov et al. 1991). However, no structural data |
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(2010, June) Richard Tayler Minerals Catalogue 112. Richard Tayler Minerals |
Catalog/List |
| scattered about. Caspar Quarry, Bellerberg bei Mayen, Yulkaneifel, Rheinland Pfalz Germany £40 2x2 inches...about 12x5mm in the middle of the vein. Crestmore Quarry, Riverside County, California USA £17 35. SODALITE...FLUORESCENCE short wave. Tvedalen Larvik Norway £10 44. CORUNDUM well formed hexagonal pale pink single crystal...terminated micro crystals in cavity in quartz. (Harz Germany) £7 56. TITANITE variety "Greenovite" (Praborna...this location closed many years ago. Boyleston quarry Barrhead Scotland £6 80. ANALCIME good coverage |
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Lengauer, C. L., Hrauda, N., Kolitsch, U., Krickl, R., Tillmanns, E. (2009) Friedrichbeckeite, K (□0.5Na0.5)2 (Mg0.8Mn0.1Fe0.1)2 (Be0.6 Mg0.4)3 [Si12O30], a new milarite-type mineral from the Bellerberg volcano, Eifel area, Germany. Mineralogy and Petrology, 96 (3) 221-232 doi:10.1007/s00710-009-0050-9 |
Journal (article/letter/editorial) |
| mineral from the Bellerberg volcano, Eifel area, Germany C. L. Lengauer & N. Hrauda & U. Kolitsch & R. Krickl...from a quarry at the Bellerberg volcano near Ettringen, eastern Eifel volcanic area, Germany. It forms...from the Bellerberg volcano 222 SE of Ettringen, Germany, which is located within the region around...and kindly provided by Joachim Jahn, Neuwied, Germany. The mineral is named in honour of the Austrian...investigated material was found in the quarry of the firm ‘A. _Caspar_’ within the Bellerberg volcano (N 50° |
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Tait, Kimberly (2012) Gems and Minerals: Earth Treasures from the Royal Ontario Museum. 256pp. |
Book |
| sapphires and rubies are actually the same mineral, corundum. The difference between the two is at the atomic...14x 13.5 cm Hardness 6 Hardness 9 Microcline Corundum Microcline, Madagascar * 12 x 23 x 3 cm. Quartz...Quartz, Mount ida, Arkansas, USA * 14 x 15 x 10 cm Corundum, Mozambique * 17 x 11 x 10 cm. Hardness 7 Hardness...manganese oxide on limestone, Solnhofen, Bavaria, Germany * 11.5 x 24x 0.5 cm Murcia, Spain * 14x 11x 5... Europe: Cornwall, England; Rheinland-Pfalz, Germany. Asia: Yekaterinburg (Sverdlovsk), Ural Mountains |
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Galuskina, Irina O., Pekov, Igor V. - Eds. (2019) New Mineral Species and Their Crystal Structures. MDPI. doi:10.3390/books978-3-03897-689-9 |
Book |
| O8 , A New Mineral from the Bellerberg Volcano, Germany Reprinted from: Minerals 2018, 8, 308, doi:10.3390/min8070308...Zirconolite-Related Mineral from the Eifel Volcanic Region, Germany Reprinted from: Minerals 2018, 8, 449, doi:10.3390/min8100449...Volcano, South Ossetia and Bellerberg Volcano, Germany Reprinted from: Minerals 2018, 8, 399, doi:10.3390/min8090399...territories of each of these two countries. Italy and Germany (350 each) are next, followed by Canada (230),...were discovered in the Eifel region, _Rhineland_-Palatinate, Germany. Volcanic rocks of Eifel are a unique |
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Fischer, Reinhard X., Tikhonova, Valeria, Birkenstock, Johannes, Fischer, Lennart A., Herrmann, Klaus, Mengel, Kurt, Schneider, Hartmut (2015) A new mineral from the Bellerberg, Eifel, Germany, intermediate between mullite and sillimanite. American Mineralogist, 100 (7) 1493-1501 doi:10.2138/am-2015-4966 |
Journal (article/letter/editorial) |
| 2015 A new mineral from the Bellerberg, Eifel, Germany, intermediate between mullite and sillimanite Reinhard...Bremen, Klagenfurter Strasse, D-28359 Bremen, Germany 2 Institut für Mineralogie, Leibniz Universität...Universität Hannover, Callinstrasse 3, D-30167 Hannover, Germany 3 Institut für Endlagerforschung, TU Clausthal...Adolph-Roemer-Strasse 2A, D-38678 Clausthal-Zellerfeld, Germany 4 Institut für Kristallographie, Universität zu...zu Köln, Greinstrasse 6 D-50939 Köln, Germany 1 Abstract A mineral intermediate between sillimanite and |
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Sharygin, V.V. (2015) Mayenite-supergroup minerals from burned dump of the Chelyabinsk Coal Basin. Russian Geology and Geophysics, 56 (11) 1603-1621 doi:10.1016/j.rgg.2015.10.007 |
Journal (article/letter/editorial) |
| Ettringer Bellerberg volcano, Eifel district, Germany (Hentschel, 1964). The mineral wadalite, Ca12Al10Si4O32[Cl6]...oxides, metals and silicates: quartz (Si, O), corundum (Al), BaF2 (Ba, F), Ti0, Fe0, Mn0, diopside (Ca...(P, F), chlorapatite (P, Cl), Mn-garnet (Mn), corundum (Al), rutile (Ti), barite (S), V2O5 (V), Cr2O3...xenolith in tephrite, Bellerberg volcano, East Eifel, Germany (Galuskin et al., 2013); 13, ideal composition...xenolith in tephrite, Bellerberg volcano, East Eifel, Germany (author’s data); 11, 12, ideal compositions Ca12Al12FeSiO32[ |
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(2000) Powder diffraction data of semimagnetic semiconductors Hg0.80Mn0.20S, Hg0.89Fe0.11S and Hg0.98Co0.02S. Powder Diffraction, 15 (2) 116-119 doi:10.1017/s0885715600010952 |
Journal (article/letter/editorial) |
| spinner ZBL 0.09 296(±3) less than 10 external corundum standard 300(±2) less than 10 correction by extrapolation... J.H., Rost, R., Bernardova, E., Breiter, K., {Caspar, P., Lang, M , Melka, K., Novak, F., Rost, J., |
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(1901, July 31st) The Jewelers' Circular Vol. 42 (26) The Jewelers' Circular Publishing Company |
Journal (issue) |
| Switzer, Representative. July 31, 1901. THE CORUNDUM BY LEOPOLD [Continued “ORIENTAL GEMS—III,...the very many different shades of color in which corundum occurs, the green variety, or “Oriental emerald...included all of those delicate pale shades of corundum gems of different colors which are of a somewhat...stone; thus, one end of the mouse, ties of corundum may, perhaps, be yellow and the other end blue...your business free from intrusion. NewVor«. of corundum Although always in sufficient quantities here |
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Chukanov, Nikita V., Chervonnyi, Alexandr D. (2016) Infrared Spectroscopy of Minerals and Related Compounds. Springer International Publishing. doi:10.1007/978-3-319-25349-7 |
Book |
| metasomatic sanidine from Volkesfeld, Eifel Mts., Germany contains only traces of structurally bound hydrogen...perovskite-type M2+SiO3 compounds and those of corundum Al2O3 and perovskite CaTiO3, respectively (Libowitzky...FT IR spectrometer (Bruker Optics, Ettlingen, Germany) with a resolution of 4 cm−1 and 16 scans. IR spectrum...gas deposit Rehden, near Deapholz, Lower Saxony, Germany (type locality). Description: Colourless crystals...Müntzer pit, Bischofferode, near Ohmberg, Thuringia, Germany. Kind of sample preparation and/or method of registration |
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Gübelin, Eduard, Erni, Franz-Xaver (2000) Gemstones - Symbols of Beauty and Power. Geoscience Press, Inc., Tucson, AZ. |
Book |
| Gubelin, Lucerne Typesetting: Satz Weise, Fohren, Germany Photolithos: Job Color srl, Gorle (Bergamo) Printing:...the phenomenon gems Diamond: king of gemstones Corundum: the colorful palette Ruby: divine crystal spark...gemstones would only be colorless chrysoberyl, corundum, and beryl). The color can, however, be attributable...(high pressure, medium to high temperatures); (corundum, €.g. ruby in gneiss, spinel, etc.) 12 Dull red...TOUGHNESS 10 Natural glasses Jade/ruby/hematite Corundum 1,000 Humans have left practically no stone |
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(2020-2021, Winter) Gems & Gemology Vol. 56 (4) Gemological Institute of America |
Journal (issue) |
| California Canberra, Australia Petershausen, Germany Edward W. Boehm A.J.A. (Bram) Janse Andy Shen...Carlsbad, California Lucerne, Switzerland Hamburg, Germany John L. Emmett Simon Lawson Nicholas Sturman...Quantitative Description of the Causes of Color in _Corundum_”) to correct the color of several photos and areal...opportunity to produce a new wall chart displaying the corundum chromophores from this article. We hope you enjoy...Low-temperature heat treatment is often applied to gem corundum to improve its appearance. Pink sapphires from |
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(2022, Winter) Gems & Gemology Vol. 57 (4) Gemological Institute of America |
Journal (issue) |
| Gem News International Biogenic carbon in pink corundum from Greenland • Yogo sapphire update • Banded...California Canberra, Australia Petershausen, Germany Edward W. Boehm A.J.A. (Bram) Janse Andy Shen...Carlsbad, California Lucerne, Switzerland Hamburg, Germany John L. Emmett Simon Lawson Nicholas Sturman...with recent studies on biogenic carbon in pink corundum from southern West Greenland, the latest on mining...100 carats have been documented, and gray-blue corundum crystals weighing several kilograms have been |
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(1956) The Journal of Gemmology Vol. 5 (5) Gem-A |
Journal (issue) |
| gives the indentation of a synthetic, colourless corundum, again with shear-cracks around the negative pyramid...the best colour for jewel bearings of synthetic corundum. A similar indentation method to the Vickers is...method was used to test the hardness of synthetic corundum, that is in the directions parallel and perpendicular...contains an excess of alumina in the form of gamma-corundum. It was shown by Rinne, as early as 1928, that...that the precipitation of micro-crystalline alpha-corundum produces an asterism, which, by the way, is too |
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Sinkankas, John (1993) Gemology : An Annotated Bibliography Vol. 1. The Scarecrow Press, Inc., Metuchen, NJ. |
Book (volume) |
| still to latterly es- in the latter half Germany, principally exceedingly valuable, today’s gemologists...Copenhagen which, Preface/ VIII rare England a in Germany, and like Stockholm, bookshops that cater ...2 Nn , 6/7); Largest p 1/2 in). duplici Germany, A-Mm Cut. Erin- loannis 4 2, 3 | Typis...Revision on H 8c RUELLE, et du C E 1898-1902 Mayen Age. 3 G p. edit est Paris: fait Mention...successful Marggraf (first dir of 1776; apptd first Germany; principles governing boiling points classes |
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Ladoo, Raymond B., Myers, W. M. (1951) Nonmetallic Minerals (2nd ed.) McGraw-Hill Book Company, Inc. |
Book (edition) |
| Wliiting. Chromite. Clays and Clay Products. .. Corundum and Kinery. Cryolite. .. .. Diatomite or Diatomaceous...5. Apatite 6. Feldspar 7. Quartz 8. Topaz 9. Corundum 10. Diamond See also Appendix, Scale of Hardne...pertinent to this use will be fCorundum and Emery, Diamond, Diatoinaceous Earth, Feldsjmr... By otie metluxl the stone is removed from the quarry in rectangular blocks and then split nearly to...laid out on a level surface of the stone in the quarry. Holes as |
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Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 |
Book (edition) |
| Fritz: Bergakademie Freiberg, Freiberg, Saxony, Germany. Donald B. Hoover: U.S.G.S., Federal Center, Lakewood...Institut fur Mineralogie, Ruhr Universitat Bochum, Germany. Duane Mellor: Geology Library, Yale University...Berlin, Germany. Peter Susse: MINABS, Inst. of Mineralogy, Univ. of Gottingen, Gottingen, Germany. C. Sheldon...Pennsylvania. Hans J. Wilke: Eppertshausen/Hessen, Germany. Wendell E. Wilson: The Mineralogical Record, Tuscon...Harder The hardest known mineral 8 9 10 Topaz Corundum Diamond Hardness is an easily measured and valuable |
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Sinkankas, John (1959) Gemstones of North America Vol. 1. Van Nostrand Reinhold Co., New York. |
Book (volume) |
| Optical Effects. PRINCIPAL GEMSTONES Diamond, Corundum (Ruby and Sapphire), Beryl, Topaz, Opal. IMPORTANT...Clinozoisite, Serpentine, Copper Rhyolite, Red Corundum in Amphibolite, Pyrite, Calcite, Howlite, Ulexite...California diamond crystal . Seven corundum crystals . Map of Corundum Hill—Ellijay area . Map of Cowee...Mt. Mica Largest crystal from Mt. Mica Eh Towne Quarry 180 Tourmaline Queen Mountain IgI Tourmaline crystal...Stibiotantalite crystal Apatite crystal . Greenlaw Quarry 272 279 281 282 289 296 297 298 299 300 301 |
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(1882) Notes and Queries. Scientific American, 46 (15) 234-235 doi:10.1038/scientificamerican04151882-234a |
Journal (article/letter/editorial) |
| Malden Lane, New York. 87 Lehigh Valley Emery and Corundum Wheels are ac knowledged to be the safest, freest.... . . . . . . . . . . 255,til6 Gun, spring. F. Caspar . ..... ......................... 255,141 for several |
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(2022, January) Mogok. The Mineralogical Record Vol. 53 (1) The Mineralogical Record, Inc. |
Journal (issue) |
| .............................165 COVER: RUBY CORUNDUM in marble matrix, 13 cm (685 grams), nicknamed...gemology, treatment, cutting and marketing of gem corundum from Mogok, and—as a kind of resonance of the...of Mogok’s original settlement and of a former quarry and deep tunnel dug long ago by the British, flooded...southeast of Mogok, which began producing fine ruby corundum crystals in the early 1990s. Mong Hsu had been...reaching international markets in 1992; the rough corundum forms sharp, elongated barrel-shaped crystals |
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Palache, Charles, Berman, Harry, Frondel, Clifford (1944) The System of Mineralogy (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York. |
Book (volume) |
| variations. In some special instances (as in quartz and corundum), however, long usage has established varietal...Ekaterinburg and near Nizhne Tagilsk. In Germany at Rheinbreitbach in the Rhineland, at Friedrichssegen, near Ems...Moschellandsberg (Landsberg near Ober-Moschel) Palatinate, Bavaria; in Spain at Almaden, Ciudad Real. In...platinum, iridosmine, gold, copper, cassiterite, corundum, in sands of the Aberfoil and Sam rivers (headwaters...Bohemia; at Andreasberg in the Harz Mountains, Germany; Allemont, Isere, France; near Sarrabus, Sardinia; |
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(1972) The Journal of Gemmology Vol. 13 (1) Gem-A |
Journal (issue) |
| refractometer, a n d was quite astonished to find a corundum index—synthetic, of course, and in its context...water-colour illustrations were prepared by Claus Caspar! and the translation from the G e r m a n m a d...Barcelona, Spain Berlage, Peter Jürgen, Osnabrück, Germany Hirohata, Tomoko, Osaka-Prif., Japan Maslen, Grant...Nairobi, E. Africa Mueller, Edith E., Frankfurt, W. Germany Norton, Charles Leslie, Conyngham, Pa., U.S.A...Solnor, Oslo, Norway Schneider, Katharina, Hanau, Germany Thant, Myo, Rangoon, Burma 35 QUALIFIED Alforja |
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(1900, May 2nd) The Jewelers' Circular Vol. 40 (14) The Jewelers' Circular Publishing Company |
Journal (issue) |
| edeees France aitermiaeted ES EN Se Se er eee Germany sad 4b sh stmocela edecie aia tied adit Netherlands...Standard Emit Tretss, foreman Bros Henry of was Germany. D. C. DE st Sendielder, Willia Oberstein...England and Colonies, France and Switzerland, Germany, - Single Copies, . . - - - ‘I6s. 20 fr...— — -— ~ ie BOUTILLIER Tr cauer & Co.; Fred Caspar, Re \ ier, | Mich. ne i i ( |
ae r}...rcumstances still gives equal relief ment by the Germany ance; the th nstrument with an ordinary |
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