 | | Journal (issue) | | Ivanov Ivan A. Glazov Text (Russian), sketches, crystal drawings belongs to the authors, 2011 Text (English)...a large smoky quartz crystal from the Tyrolean Zillertal and a large rock crystal from the Italian Ahrntal...label. Photo: A. Schumacher Polished rhodonite rock sample, 24 x 18 cm. Urals (on label Siberia). Inv...year 1836 a suite of 480 typical minerals and 20 rock- types of Siberia and FinJand were donated by the...Vienna, among others was a splendid colorless topaz crystal from Adun-Chilon. A further big cabinet specimen |  | | Book | | Rubellite Nephrite Thetis Hair Stone 187 Rock Crystal 235 235 210 210 211 211 212 Sunstone 212...curator of the German Gemstone Museum and Mr. G. Becker of Idar-Oberstein, Ger- would many; John White...avoided the need for costly excavation of hard rock; only simple, inexpensive processes that separated...adornment in a broader sense: a bud on a plant, a crystal in a metal vein, a precious stone worn by someone...contributed to the myth of ore regeneration and thus crystal regeneration. Ulpian (A.0. 170—228) wrote about |  | | Book | | Sorbonne, man Mineralogical Museum, Moscow, U.S.S.R. GERMANY j}& BONA POTENZA BIANCHI, Curator, % «G. P.... BARSANOV, Director, Fers- jw GERHARD BECKER, dealer, Idar-Oberstein, WEST University of Milan, Institute...Cuwrator, Australian Museum, Sydney, AUSTRALIA & ROCK CURRIER, photographer and collector, Ardsley, New...HOFMANN, Professor, School of Mines, Freiberg, EAST GERMANY }& GEORGE HOLLOWAY, collector, Northridge, California...Professor, Mineralogical Institute, Bonn, WEST GERMANY ¥& H. J. SCHUBNEL, Professor and author, School | | | Book | | Moscow, u. s. s. R. ^ Gerhard becker, dealer, Idar-Oberstein, west GERMANY ^ bona potenza bianchi, Curator...Cura tor, Australian Museum, Sydney, Australia ^ rock currier, photographer and collector, Ardsley, New...HOFMANN, Professor, School of Mines, Freiberg, east Germany ^ GEORGE HOLLOWAY, collector, Northridge, California...Professor, Mineralogical Institute, Bonn, west Germany ^ H. j. schubnel, Pro fessor and author, School...of collectors, dealers, curators, art buffs, and rock hounds who nominated specimens for review or served |  | | Book | | 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...vugs of crystalline talc. Easily the best extant crystal, a doubly terminated floater found in a talc vug...Shelley Lambert extracted excellent loose ilmenite crystal clusters from a calcite vein-dike digging site...Chamberlain, 1982; Joyce, 2006a). Some of the ilmenite crystal faces are partly overgrown by a brown coating which |  | | Catalog/List | | 2-Jx2x1-i", £8.00. 6. ANALCIME. Magheramourne Quarry , Antrim ,N. Ireland. A dark , cavernous Basaltic...(with reddish tones) terminated,large prismatic crystal. 2x1£x1£"» £8.00. 19. APATITE(Var:Francolite)...pseudo-hexagonal equant prismatic.matrix-free crystal from species 'Type Site', £3-50. 23. NATIVE ARSENIC/PROUSTITE...with scarlet-coloured.lustrous bladed xtls and crystal cleavages attached. 3x1-Jx1-J", £8.00. 24. ATACAMITE...Otavi.Namibia. Choice,lustrous-surfaced composite crystal exhibitinjig (partial Malachitic alteration). Principal |  | | Catalog/List | | calcite, a large cabochon of Nuummit, Greenland, a rock which consists of minerals anthophyllite and gedrite;...were jade-albite or chloromelanite. A metamorphic rock with a complex composition from Myanmar (Burma)...Itrongahy , Madagascar Faceted in Idar-Oberstein, Germany The name orthoclase is from the Greek for “straight...NECKLACE Finland Fabricated in Idar-Oberstein, Germany Comprising 21 hand-cut and polished trapezoidal...Idar-Oberstein, Germany Consisting of four natural aquamarine crystals, each of hexagonal crystal habit, merely |  | | Journal (issue) | | appreciated by the mineral enthusiast. This important rock-forming group includes many more species than most...colorless muscovite surrounding a black biotite crystal. Biotite occurs with muscovite as a more-or-less...Carolina. Muscovite (twinned) from the Nello Teer Quarry near Raleigh, N. C. in pegmatite veins where pneumatolytic...the alkalies present. It is very rare. Found as crystal crusts in pegmatite veins at Maharitra, on Mt....mica, etc. Glauconite has been noted in small crystal grains in a dolomite from near Bonneterre, St. |  | | Journal (article/letter/editorial) | | Oregon. Annual Campout and Swap sponsored by the Rock & Arrowhead Club of Klamath Falls. Pacific Power...Trading Co. The Rocksmiths The Showcase The Soaring Crystal The Stone Co. Uncommon Sense Victor Yount Washington...California. Great Sacramento Crystal Fair sponsored by the Pacific Crystal Guild. Holiday Inn/Holidrome...Madison & 1-80. Info,—Jerry Tomlinson, Pacific Crystal Guild, P.O. Box 1371, Sausalito, CA 94966; 415/383-7837...New York. 19th Annual Show sponsored by the Island Rock Hounds. International Brotherhood of Electrical |  | | Report (issue) | | bodies or pockets of metallic minerals and the rock-forming minerals, that would be useless and impossible...for continual additions. March, 1914. rela- crystal forms have been in work on California minerals...near Oroville of an apparent pipe of serpentinized rock bearing a resemblance to the diamond pipes of South...1853 it was observed that diamonds occurred in The rock ful. a hard eclogite differing in is Hanks ^^^^...Placerville, namely, on Webber Creek, in "Wliite Rock canyon and at Smith's Flat. Fresno County Small |  | | Journal (issue) | | diamonds. At General Electric, production of a single crystal required a week or more under such conditions,...thirds that could be cut from the one-plus carat crystal would not be competitive with natural diamonds...place from a capacity of one relatively small crystal to that of many crystals as large as 2 ct all growing...the same time. Whereas the growth of a single crystal over the relatively long period required had no...b y large cube crystal faces on the top and bottom and b y smaller dodecahedra1 crystal faces around the |  | | Journal (issue) | | Expanded Deutsches Edelsteinmuseum of Idar-Oberstein, Germany Peter C. Keller 103 Peridot from Tanzania Carol...master carver Richard Hahn, of IdarOberstein, Germany. It i s representative of the fine carvings and...this issue. T h e b o w l i s courtesy o f Gerhard Becker, Idar-Oberstein. Photo " 1983 Harold and Erica...has never been traced to its exact source. This crystal measures 5 c m X 3 cm. Photo by Van Pelt. parable"...crystals up to 2.5 cm in length form over 60% of the rock. This was collected on the floor of the cirque and |  | | Journal (issue) | | due to the exploitation of a rich deposit in a quarry primarily worked for road and concrete aggregate...2. MAIN CHERT BEDS. BLACK ROCK LIMESTONE HOTWELLS LIMESTONE BLACK ROCK LIMESTONE BURRINGTON OOL.ITE...suggests that ancient sulphate-bearing sedimentary rock sequences with nodular anhydrite were also formed...570), with only a small percentage showing good crystal terminations into central cavities. These proportions...of Foster Yeoman Ltd, for guidance round Dulcote Quarry, to Mr G.W. Green and Mr R.F. Symes, who reviewed |  | | Catalog/List | | the benefit of the Wildlife Conservation. 2002 ROCK CRYSTAL QUARTZ CARVING OF A RABBIT WITH RUBY EYES BY...from a single specimen of highly transparent rock crystal quartz, the fur of the rabbit is realistically...gold. Raised on a removable base of frosted rock crystal, unsigned but listed in an inventory prepared...Andreas von Zadora-Gerlof which mentions the rock crystal quartz rabbit carving as being his work. 2003...Andreas von Zadora-Gerlof which mentions the rock crystal quartz rabbit carving as being his work. 2005 |  | | Catalog/List | | crystals(to about 0.5" •in _size). A/18. AMAZONITE. Crystal Peak, Parc Co, Colorado, U.S.A. Sharp, greenish-blue...golden-yellow nodule, A/20. ANALCIME. Enderby Quarry. Leicestershire. This specimen is more interesting...2.5x2x1.25", £4.00 1. ANALCIME/NATROLITE. Dean Quarry, St. Keverne, Lizard, Cornwall. Pearly white to...75x1", £7.50. 2. ANALCIME/NATROLITE/CALCITE. Dean Quarry, St Keverne, Lizard, Cornwall. Pearly white, large...terminated xtls (to about 0.2 5" in size) and crystal aggregates developed on vuggy Demantoid/Actinolite |  | | Report (issue) | | housing developments. Another is the famous Crestmore quarry, where the cement production has almost destroyed...such-and-such a formation, or in this-or-that kind of rock, or adjoining a certain kind of contact, is a favorable...published works on opaque minerals, and studies on the crystal chemistry of several rare minerals, especially...largely covered with outflows of trap or basaltic rock reaching outward from a central group of extinct...gravel, full of fragments and little nodules of float rock — turquoise. Whenever the quartzite ledges outcrop |  | | Report (issue) | | description includes the chemical composition, crystal form and habit if distinctive, cleavage, hardness...magma, or molten rock material. Usually this results in the crystallization of the rock-forming minerals...precipitation of dissolved material, as in the case of rock salt or gypsum. More commonly they are made by the...the accumulation of actual particles of rock material washed down from the land surface and spread out...the action of powerful earth any earlier-formed rock mass, so that notable changes in forces on character |  | | Journal (issue) | | Iridescent Pumic~A new Find in Oregon. By C. P. Becker .......................................... ............................. ........... ... Hunting Rock Crystals near Hauto, Penn. By Peter Zodac............. .......................... Chips from the Quarry .. ............ ........... ......... ...........to laugh is a slab of rock said to have co:ne from the bank of the river-a rock literally plated with...hole in the rocks and entering found ourselves in a rock passageway sloping steeply downward. Malcing our |  | | Report (volume) | | and the Washoe District, with atlas, by George F. Becker. 1882. 4°. xv, 422 pp. 7 pi. and atlas of 21 sheets...of the Pacific Slope, with atlas, by George F. Becker. 1888. 4°. xix, 486 pp. 7 pi. and atlas of 11 sheets...on the Stratigraphy of California, by George F. Becker. 1885. 8°. 28pp. Price 5 cents. 20. Contributions...at Ealeigh. It also occurs in quartz and epidote rock at Harris Mountain, one half mile east of Gillis...It was nearly of the first water and a perfect crystal. It was in possession of the late Dr.Andrews, of |  | | Journal (issue) | | pheasant by master carver, Gerhard Becker, ldarOberstein, West Germany (details in OUR COVER story). Photo...orie Williams Young 32 A MOUNTING FOR A QUARTZ CRYSTAL JACK R. COX ASSOC. EDITOR RENATA WILLIAMS ADVERTISING...Freshly extracted crystals Smoky quartz (treated) Crystal clusters make attractive displays Smoky quartz...as 1859, specimens were being removed from the Crystal Mountains of Montgomery County, west of Hot Srings...famous mineral location. It is theorized that the crystal bearing cavities were formed by hydrothermal activity |  | | Journal (issue) | | future work. Having taken an active part in m ineral (rock-gem-lapidary-fossil) clubs since 1934, I am amused...colorless quartz - Q uartz variety Rock Crystal. Certainly rock crystal is a well-established and widely...many pages of crystal lography, crystal growth mecha nisms, crystal optics and morpholo gy, all relevant...the relationship between optical properties and crystal structure I have found in current literature. The...avail able that present the basic theories of crystal symmetry, structure, and bonding. Cracknell’s book |  | | Book | | Deutsches Bergbau-Museum in Bochum, West Germany, Professor J. C. Becker of the University of Copenhagen and...USA, Fig. 93; German Mining Museum, Bochum, West Germany, Figs 19, 20, 42, 46, 52, 55, 56, 57, 81; Institute...USA Fig. 64; Museum of History, Cologne, West Germany, Fig. 69; Museo de Prehistoria, de la Excma, Valencia...Romisch-Germanisches Commission, Frankfurt, West Germany, (Germania), Figs 68, 98; Society of Antiquaries...Tundra in NW. Europe Forest pine in S. France and Germany Return to colder conditions Mesolithic — Holocene |  | | Journal (issue) | | peaks indicate that the impurities are in the crystal structure. The chemical analyses for the orange...four channels may radiate from an unidentified crystal (Figure 2). © Gemmological Association and Gem...the last phase all was covered by colourless rock crystal so this quartz-tourmaline stone is a sort of...stone described as a moonstone was purchased in Germany and probably comes from Sri Lanka, where a similar... 451 464 Figure 3: View looking north of the quarry workings. Photo by Douglas Nichol. The host contact |  | | Report (issue) | | small bodies or pockets of metallic minerals and as rock-forming minerals, that it would minerals, be impossible...be more instructive and show better the relaThe crystal forms have been tions of the various s[)ecies and...NON-METALS. 1. DIAMOND. Native carbon, C. common. Crystal faces Perfect octahedral cleavage. Brittle. Yellow...placer mining began. reported seeing a pale j^ellow crystal As early as 1849, Lyman which about the size of...near Oroville of an apparent pipe of serpentinized rock bearing a resemblance to tlie diamond pipes of South |  | | Book | | hoards at Pritzwalk, (Brandenburg), and Miinster, Germany, Colmar in Alsace, Fishpool, England and Sroda...treasuries such as those at Aachen and Essen, Germany, and at St. Denis outside Paris. There are a variety...sometimes stone sculptures ~ often include real stones, rock crystals polished en cabochon and given various...sapphire, one of small bells. These appeared in Germany and Scanthe most popular ring stones, was believed...‘True Cross set in rose diamonds and enclosed in a crystal heart. Presumably this was acquired in June 1749 |
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