 | | Journal (issue) | | ......... 133 by P. Bancroft The occurrence of Japan-law twinning in quartz ... 137 by R. B. Cook Hureaulite...mine near Magdalena, Sonora, Mexico. The large crystal is 28 mm across. Collection of Gerhard Becker;...Mineral Society for making the hall avail able to us; Rock Currier for his interesting lecture which led off...Mineral Co. (Casa Grande, AZ) Tony Jones, Calif. Rock and Mineral (Temple City, CA) Joseph Kielbaso (Tipp...Enchanted Mesa Minerals (Belen, NM) Paul Otto, Crystal Showcase (Albuquerque, NM) Pala Properties International | | | Journal (issue) | | ......... 133 by P. Bancroft The occurrence of Japan-law twinning in quartz ... 137 by R. B. Cook Hureaulite...mine near Magdalena, Sonora, Mexico. The large crystal is 28 mm across. Collection of Gerhard Becker;...Mineral Society for making the hall avail able to us; Rock Currier for his interesting lecture which led off...Mineral Co. (Casa Grande, AZ) Tony Jones, Calif. Rock and Mineral (Temple City, CA) Joseph Kielbaso (Tipp...Enchanted Mesa Minerals (Belen, NM) Paul Otto, Crystal Showcase (Albuquerque, NM) Pala Properties International |  | | Journal (article/letter/editorial) | | 184–196, 2017 REVIEW Jadeitite ( jadeite jade) from Japan: History, characteristics, and perspectives Tatsuki...980–8576, Japan ** Department of Earth Science, Tohoku University, Aoba, Sendai 980–8578, Japan *** Department...10024–5192, USA Jadeitite, known as ‘hisui’ in Japan, has been esteemed as sacred stone in both ancient...(and jadeitite) as the national stone of Japan by the Japan Association of Mineralogical Sciences in...National stone of Japan INTRODUCTION Jadeitite (‘jadeite’ jade) is a nearly monomineralic rock composed primarily |  | | Journal (issue) | | blue-to-green and yellow iron-bearing beryl. The etched crystal weighs 63.31 g and the smaller faceted stones range...Traceability and Sustainability of Precious Coral in Japan | Dyed Chatoyant Quartz Misrepresented as Cats-eye...Ahmadjan Abduriyim Tokyo Gem Science LLC, Tokyo, Japan Executive Editor Alan D. Hart Editorial Assistant...National University of Ireland Galway John L. Emmett Crystal Chemistry, Brush Prairie, Washington, USA Emmanuel...Hiroshi Kitawaki Central Gem Laboratory, Tokyo, Japan Michael S. Krzemnicki Swiss Gemmological Institute |  | | Journal (issue) | | OCTOBER 1991 Cover Picture Cross section of ruby crystal with massive rutile inclusion. (Plate 5, 'The growth...phenomena. Were it not for fine, parallel acicular crystal inclusions in chrysoberyl, there would be no cat's-eye...now came his way to travel official farther to Japan, again acting in similar offIcial capacities. He...Kaempfer Kaempfer (1651-1715) also a visitor to Japan in 1690. Thunberg's collection was dispatched to...described over 300 previously unknown plants. He left Japan in December 1776, stopping during his voyage home |  | | Journal (issue) | | London ABSTRACT: Blue euclase from Mwame, Hurungwe District, Zimbabwe, which was first collected in the late...Claims, 8 km south of Mikese Station, Morogoro District. The largest of these crystals measuring 72 x...of euclase from Muiane pegmatite, Alto Ligonha District, was made by von Knorring et al. (1964). This...Uganda Figure 1: Partial euclase sheath on beryl crystal. Photo: E.A. Jobbins 210 209 information was...Mica Fields, Hurungwe District. Mwame was formerly known as Miami, Urungwe District, Rhodesia or Southern |  | Taylor, L. A., Nazarov, M. A., Shearer, C. K., McSween, H. Y., Cahill, J., Neal, C. R., Ivanova, M. A., Barsukova, L. D., Lentz, R. C., Clayton, R. N., Mayeda, T. K. (2002) Martian meteorite Dhofar 019: A new shergottite. Meteoritics & Planetary Science, 37 (8) 1107-1128 doi:10.1111/j.1945-5100.2002.tb00881.x | Journal (article/letter/editorial) | | megacrysts are heterogeneously distributed in the rock. Crystal size distribution analysis suggests that they...al. (2001), Shearer et al. (2001), Mikouchi and Miyamoto (2001), and Cahill et al. (2002). METHODOLOGY...crushed and powdered in an agate mortar for bulk-rock major and trace element determinations: x-ray fluorescence...Dhofar 019 show a heterogeneous, largely equigranular rock with a basaltic texture (Fig. 2). Some thin sections...megacrysts. The average grain size of most of the rock is 0.2-0.5 mm. Although having a grain size similar |  | | Journal (article/letter/editorial) | | Science, University of Tokyo, Hongo, Tokyo 113, Japan. Lunar meteorite Asuka (A)88 1757 is a distinct...isotopes were present in the same mineral phase. The rock-forming minerals of eucrites are plagioclase and...release peak might indicate the destruction of the crystal structure of both minerals. possibly during melting...pallasites, may indicate a lower temperature of crystal accumulation for the pyroxene pallasites, assuming...FEATURES RESEMBLING PSEUDOTACHYLYTE AT THE ENCHANTED ROCK BATHOLITH, TEXAS. P. C. Buchanan', J. J. Degenhardt |  | | Book (edition) | | Krenner's, and new face. OF MINERALS OF JAPAN BY TSUNASHIRO WADA ...alogy, like most other sciences, has developed in Japan. Mineralogy was first taught here in 1873 by a German...crystallised and of high known minerals from Japan are stibnite, in crystals most gigantic and splendid...topaz, rivaling that of the Ural in beauty, and rock crys- mineralogical interest. tal Among the...metallic found in abundance. sul- In fact Japan seems to be an instance of remarkable richness in |  | | Journal (issue) | | Branch: M. P. Gayton, F.G.A. South Yorkshire & District Branch: M. W. Eldridge, M.B., Ch.B., F.G.A. Examiners:...'Quartz . . . the name first appeared in the mining district of Bohemia in the 14th century, and appears to...mind we are considering massive quartz, not rock crystal or amethyst, etc., which had been known generations...generations before; but massive quartz in hard rock mining—the gangue which hampered the miner's progress... Russian 'kwartz', etc. The older gem names: 'crystal', 'amethyst' and 'citrine' (again, Agricola is |  | | Journal (issue) | | Branch: M. P. Gayton, F.G.A. South Yorkshire & District Branch: 1. R. M. Lewis, F.G.A. Examiners: B. W...composition of a 524 J.Gemm., 1981, XVII, 8 specific crystal also in the different known garnet series. The...internal stress fractures (Figure 2) around single crystal inclusions and in areas where there had been fingerprint...FIG. 2. Internal stress fractures around single-crystal inclusions in heat-treated naturalsapphire. FIG...considerably) is not done in Bangkok, but in California, Japan, and Switzerland. The donor of the crucibles mentioned |  | | Journal (issue) | | 2010 / Volume 32 / No. 1–4 Mexican jadeite-bearing rock: a first mineralogical and gemmological approach...2010 / Volume 32 / No. 1–4 Mexican jadeite-bearing rock: a first mineralogical and gemmological approach...scattered electron (BSE) image of jadeitebearing rock showing larger crystals of jadeite (Jd) and omphacite...mineralogical assemblage differs from that of jadeite rock from Guatemala which commonly contains quartz, white-brown...2010 / Volume 32 / No. 1–4 Mexican jadeite-bearing rock: a first mineralogical and gemmological approach |  | | Book | | publisher. Times Mirror Books Printed and bound in Japan Measurements: a bead’s length is given as the length...ojime (slide fastener) from — nineteenth-century Japan, depicting a proud cockerel and his hen. Inlaid...EXPANSION AFRICA THE F'AR East: China, Korea, and Japan INDIA CENTRAL ASIA SOUTHEAST ASIA AND THE SOUTH...in a range of occupation levels in the limestone rock-shelter of Abri Pataud in southwestern France. They...(predominantly quartz minerals), including agate, rock crystal, sard, carnelian, and jasper, c. 4000—2000 B |  | | Journal (issue) | | hyacinth colour was observed in one direction in the crystal. This colour was seen only in strong sunlight or...occur in the John Saul ruby mine, Taita-Taveta District, Kenya (Simonet, 2000) which is located just north...increased. If there is a change in the field (crystal or ligand), then the hue will change with the concentration...Chelsea filter. I d An emerald green kornerupine crystal from Nchongo, Umba area, shows a peculiar pleochroism...the red hue in a large stone cut from the same crystal. Red flashes have been observed in faceted stones |  | | Journal (article/letter/editorial) | | 200 250 0 Distance from the center of the crystal [lJ.ml FIG. I. grain. Compositional variation...747-1080 DC, depending on the calibration used. Miyamoto et al. (6) assumed a temperature of 1000 °C and...Mayeda (1989) 52nd Ann. Mtg, Meteor. Soc. (6) Miyamoto et a!. (1985) JGR 90, C629. Abstracts Reflection...of recrystallization resulted in the formation of rock units with granoblastic textures. This occurred...pseudotachylite-like veins and fine-grained rock units. The rock recrystallized due to an annealing episode |  | | Book | | auspices of the commission for X-ray diffraction, crystal chemistry, and spectroscopy of the Russian Mineralogical...sessions were held for four days over three sections “crystal chemistry of minerals,” “typomorphism and methods...presented. Participants discussed relevant issues of crystal chemistry and mineral typomorphism, structural...the world. The first collections of minerals and rock specimens were started in 1925 soon after the reserve’s...and Powder XRD Experimental Study of Charoite: Crystal Chemical Features of Two Associated Generations |  | | Journal (volume) | | (Germany) (Hungary) (Russia) (Czech Republic) (Japan) (Germany) Publication Subcommittee Gábor Papp.....................................737 MC103C1 Crystal chemistry and structure of clay minerals and layered...PHYSICS TH131 Influence of reaction kinetics on rock microstructure, texture and micro-chemistry: Assessing...volcanism and degassing, fractional crystallization, crystal settling, assimilation reactions, regional and...irregularities in crystals. One no longer had to infer the crystal defects that permitted solid-state reactions to |  | | Journal (article/letter/editorial) | | OXI 3PR, UK. Oxygen is unique amongst the major rock-forming elements in exhibiting in a large size range...that almost bracketed the range observed for whole-rock samples of howardites, the TL sensitivity varying...clasts and dark matrix material. (Only one whole-rock sample, the diogenitic howardite LEW85313, lay outside...sets of PDF on shocked zircon surfaces. Single crystal X-ray precession camera photographs of one of the...rocks. The spinel-group minerals from the target rock population approximate a chromite-hercynite (picotite) |  | | Book | | geological environment (magmatic or metamorphic), host-rock types (mafic-ultramafic rocks, Minerals 2019, 9,...formed together with a spinel–chlorite–muscovite rock during the metasomatic alteration of orthopyroxenites...stages mounted on an Olympus BX 51 (Olympus, Tokyo, Japan) using 10× and 50× Olympus long-working distance...performed on a Dilor LabRAM instrument (Horiba, Kyoto, Japan). Investigations were carried out at Department...through an Olympus BX 40 microscope (Olympus, Tokyo, Japan) onto the fluid inclusion of interest. The objective |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | . . . . . . . . . . . . . . . . . . . Phosphate Rock . . . . . . . . . . . . . . . . . . . . . . . ....Tadataka Hida Shokozan Mining Company Ltd. Tsu, Mie, Japan xiii © 2006 by the Society for Mining, Metallurgy...Paris, Tennessee Hiroshima University Hiroshima, Japan Harold R. Kokal Ed McCullah Mittal Steel—USA...raw materials cease to be an industrial mineral or rock and become an industrial chemical. Clearly defining...straightforward. Ho wever, a widely used def inition is “any rock, mineral, or other naturally occurring substance |  | | Journal (article/letter/editorial) | | stepped combustion, the highest measured for a whole rock ordinary chondrite (although a graphite-rich sample...present, the only other bulk ordinary chondrite whole rock to show high temperature heavy carbon is Adrar 003...in aD known. The stepped combustion of the whole rock Saharan chondrites shows that organic contamination...Faculty of Sci., Univ. of Tokyo, Hongo, Tokyo 113, Japan. Achondrites have been generally assumed to be derived...spherical particles. High SiO,-contents may reduce crystal nucleation upon rapid cooling. Based on differences |  | | Book | | designers. From the top down: Italy - Blue and clear crystal beads by Coppola e Toppo, Sixties; Austria ig...pertains to "the more affordable stones" like quartz (crystal, amethyst, citrine), tourma- Wiener Werkstatte...) Necklaces and bracelets in colored or clear crystal were in production long after Lalique committed...(with deep V in front) adorned with two metal crystal beads and Venetian lampwork beads. Center buckle...collection, Milan, Italy Silver marcasite bow pin with crystal and onyx pendant. Courtesy of private collection |  | | Book | | only after the discovery of anomalies in oxygen, a rock-forming element (Clayton et al., 1973), that the...on Murchison SiC. Many SiC grains show euhedral crystal features (Figure 2) but there are large variations...Lewis R. S. (1992) TEM studies of a circumstellar rock. In Lunar Planet. Sci. XXIII. The Lunar and Planetary...and Davis A. M. (1988) Isotopic variations in the rock-forming elements in meteorites. Phil. Trans. Roy...been processed locally and aggregated into a single rock, unless the aggregation took place on a timescale |
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