 | Henmi, Chiyoko, Kusachi, Isao, Henmi, Kitinosuke (1995) Morimotoite, Ca3TiFe2+Si3O12, a new titanian garnet from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 59 (394) 115-120 doi:10.1180/minmag.1995.59.394.11 | Journal (article/letter/editorial) | | Ca3TiFe 2 +8i3012, a new titanian garnet from Fuka, Okayama Prefecture, Japan CHIYOKOHENMI Department of Earth...Earth Sciences, Faculty of Science, Okayama University, Okayama 700, Japan ISAO KUSACHI Department of Earth...Education, Okayama University, Okayama 700, Japan AND KITINOSUKEHENMI 1-9-20, Ishima-Cho, Okayama 700, Japan...to be a kind of endoskarn at Fuka, Bitchu-Cho, Okayama Prefecture, Japan. Morimotoite is derived from...baddeleyite and calzirtite. It is cubic with space group Ia3d. The unit cell dimension a is 12.162(3) A. | | Henmi, Chiyoko, Kusachi, Isao, Henmi, Kitinosuke (1995) Morimotoite, Ca3TiFe2+Si3O12, a new titanian garnet from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 59 (394) 115-120 doi:10.1180/minmag.1995.59.394.11 | Journal (article/letter/editorial) | | Ca3TiFe 2 +8i3012, a new titanian garnet from Fuka, Okayama Prefecture, Japan CHIYOKOHENMI Department of Earth...Earth Sciences, Faculty of Science, Okayama University, Okayama 700, Japan ISAO KUSACHI Department of Earth...Education, Okayama University, Okayama 700, Japan AND KITINOSUKEHENMI 1-9-20, Ishima-Cho, Okayama 700, Japan...to be a kind of endoskarn at Fuka, Bitchu-Cho, Okayama Prefecture, Japan. Morimotoite is derived from...baddeleyite and calzirtite. It is cubic with space group Ia3d. The unit cell dimension a is 12.162(3) A. |  | | Report (issue) | | Publishing, ver sion 1.2 Crystal Data: Cubic. Point Group: 4=m 3 2=m: 2 cm; more commonly massive. As trapezohedra...98; increases with Ti content. Cell Data: Space Group: Ia3d: a = 12.09{12.145 Z=8 X-ray Powder Pattern:...Polymorphism & Series: Mineral Group: Forms a series with andradite. Garnet group. Occurrence: In carbonatites...Arkansas, and near the Gem mine, San Benito Co., California, USA. In the Jacupiranga mine, S~a o Paulo, Brazil...Auckland, New Zealand. From Fuka, near Bicchu, Okayama Prefecture, Japan. At Morotu, Sakhalin, Russia |  | Grew, E. S., Locock, A. J., Mills, S. J., Galuskina, I. O., Galuskin, E. V., Hålenius, U. (2013) Nomenclature of the garnet supergroup. American Mineralogist, 98 (4) 785-811 doi:10.2138/am.2013.4201 | Journal (article/letter/editorial) | | 785–811, 2013 IMA Report Nomenclature of the garnet supergroup Edward S. Grew,1,* Andrew J. Locock...Sweden 2 Abstract The garnet supergroup includes all minerals isostructural with garnet regardless of what...study to be approved. The general formula for the garnet supergroup minerals is {X3}[Y2](Z3)ϕ12, where X...ϕ is O, OH, or F. Most garnets are cubic, space group Ia3d (no. 230), but two OH-bearing species (henritermierite...and holtstamite) have tetragonal symmetry, space group, I41/acd (no. 142), and their X, Z, and ϕ sites |  | Taner, Mehmet F., Martin, Robert F., Gault, Robert A. (2013) THE MINERALOGY OF SKARNS OF THE SPURRITE–MERWINITE SUBFACIES, SANIDINITE FACIES, GÜNEYCE–IKIZDERE AREA, EASTERN BLACK SEA, TURKEY. The Canadian Mineralogist, 51 (6) 893-911 doi:10.3749/canmin.51.6.893 | Journal (article/letter/editorial) | | accessory minerals are magnetite, titanite, an apatite-group mineral and zircon, as is typical of calc-alkaline...layers of Si2O7 groups (Grice 2005). The disilicate group does not favor the incorporation of foreign cations...analogue, presumably a new mineral species. The garnet group Garnet grains in the exocontact, near the carbonate...example, in sample #630, the Fe2+- and Fe3+-enriched garnet, up to 3 mm across, coexists with vesuvianite,...generally is zoned. Sample #6043A contains such zoned garnet associated with rustumite, hillebrandite, wollastonite |  | Zaitsev, A. N., Williams, C. T., Britvin, S. N., Kuznetsova, I. V., Spratt, J., Petrov, S. V., Keller, J. (2010) Kerimasite, Ca3Zr2(Fe23+Si)O12, a new garnet from carbonatites of Kerimasi volcano and surrounding explosion craters, northern Tanzania. Mineralogical Magazine, 74 (5) 803-820 doi:10.1180/minmag.2010.074.5.803 | Journal (article/letter/editorial) | | Zaitseva Kerimasite, Ca3Zr2(Fe3+ 2 Si)O12, a new garnet from carbonatites of Kerimasi volcano and surrounding...calcium zirconium silicate-ferrite member of the garnet group from the extinct nephelinitic volcano Kerimasi...the tetrahedral site. Kerimasite is cubic, space group Ia3̄d with a = 12.549(1) Å, V = 1976.2(4) Å3 and...refinement revealed the typical structure of the garnet-group minerals. The name is given after the locality...Tanzania. K EY WORDS : kerimasite, kimzeyite, garnet, new mineral, carbonatite, chemical composition |  | | Journal (article/letter/editorial) | | CONSTRAINTS ON CATION VALENCE AND PATTERN OF ORDER IN GARNET-GROUP MINERALS David K. TEERTSTRA§ Euclid Geometrics...Abstract Uncertainty in the structural formula of garnet can result from incomplete or inaccurate analysis...each specific composition and structural state of garnet have characteristic physical parameters that can...index of refraction and unit-cell dimension of garnet are calculated from a proposed structural formula...constraining the valence and site occupancy of ions in garnet. This approach gives the ratio XFe2+ / YFe3+ and |  | | Journal (article/letter/editorial) | | petrogenetic studies is discussed. Keywords Schorlomite Æ Garnet Æ Mössbauer spectroscopy Æ Crystal-structure refinement...as schorlomite. This Ti-rich member of [4] the garnet family ([8]X[6] 3 Y2 Z3O12) was discovered in ijolite...containing >18 wt% TiO2 are exceptionally rare. A garnet with ca. 18.5 wt% TiO2 and apparent enrichment...where the boundaries between schorlomite and other garnet species should be drawn, or what to consider the...responsible for the incorporation of Ti in the garnet structure (see below). The available compositional |  | | Journal (issue) | | Kunar Province, Afghanistan | Olshanskyite from Japan | Yellow Opal from Tanzania | Titanite (Sphene)...Ahmadjan Abduriyim Tokyo Gem Science LLC, Tokyo, Japan Raquel Alonso-Perez Harvard University, Cambridge...Hiroshi Kitawaki Central Gem Laboratory, Tokyo, Japan Michael S. Krzemnicki Swiss Gemmological Institute...Wetzlar, Germany Bear Williams Stone Group Laboratories LLC, Jefferson City, Missouri, USA J. C. (Hanco) Zwaan...Zest Design, London. www.zest-uk.com PRINTER DG3 Group (Holdings) Ltd, London. www.dg3.com Cert no. TT-COC-002454 |  | | Book (edition) | | (Russia). Sven Karnp-Moller (Denmark). Akira Kato (Japan). Lance E. Keams (USA). Elisabeth Kirchner (Austria)...Mandarino (deceased) (Canada), Satoshi Matsubara (Japan). A.M. McDonald (Canada). Silvio Menchetti (ltaly)... J. Sejkora (Czcch Republic), Masaaki Shimizu (Japan), William B. Simmons (USA). C.J. Stanley (UK). France...Minerals that are listed as belonging to the same group are similarly closely comparable in composition...Great Britain Bulletin of the Geo/ogical Survl'Y of Japan Bulletin lnstitute of Geology. Chinese Academy of |  | | Journal (article/letter/editorial) | | Arkansas, U.S.A. FeZr(PO4)2-4H20. Monoclinic, space group C211c, a 9.12, b 5.42, c 19.17 A, ~ 94.8 ~ Z = 4...A. Amphibole Group. disseminated within alkalic pegmatites Mount Monoclinic, space group, C2/m, a 9.80...Amphibole Group. Monoclinic, space yellow, crystals to 2 mm in pegmatites at King's group, C2/m, a 9...approval has been given. Only limited data space group Pi, 0t 5.257, b 10.363, c 7.040 A, at are provided...Manganese analogue of segelerite, overite group. Orthorhombic, space group Pbca, a 14.89, b 18.79, c 7.408 A |  | | Journal (article/letter/editorial) | | com/locate/cageo An Excel spreadsheet to recast analyses of garnet into end-member components, and a synopsis of the...to calculate with ease the molar proportions of garnet end-members from chemical analyses. Recent advances...and is accompanied by results calculated for 470 garnet analyses taken from the literature. The spreadsheet...simple scoring algorithm to measure the quality of a garnet analysis. The propagation of error from the input...End-members Excel Garnet Spreadsheet 1. Introduction Natural garnets are an important group of orthosilicate |  | | Report (issue) | | Garnet Great Balls of Fire ISBN 978-0-9790998-4-7 Publisher Lithographie, LLC East Hampton, Connecticut...cm tall andradite on hematite is from the Wessels Mine near Hotazel in northern Cape Province, South Africa...Cover: Grossular on diopside; 7.1 cm tall Jeffrey Mine, Asbestos, Richmond County, Quebec, Canada Paul...meter relay at the 1960 Summer Olympics in Rome. Garnet Great Balls of Fire Contributors Lothar Ackermann...2008, I attended the John Sinkankas Symposium on garnet at the Gemological Institute of America (GIA) in |  | Antao, Sytle M., Mohib, Shaheera, Zaman, Mashrur, Marr, Robert A. (2015) Ti-RICH ANDRADITES: CHEMISTRY, STRUCTURE, MULTI-PHASES, OPTICAL ANISOTROPY, AND OSCILLATORY ZONING. The Canadian Mineralogist, 53 (1) 133-158 doi:10.3749/canmin.1400042 | Journal (article/letter/editorial) | | (EPMA) data were obtained for 11 Ti-rich andradite garnet, [8]X3[6]Y2[4]Z3[4]O12, samples from Magnet Cove...samples were refined with the Rietveld method, space group la3̄d, and monochromatic synchrotron high-resolution...Si4+ (0.26 Å) cations at the Z site. Keywords: Garnet, Ti-rich andradite, “melanite”, schorlomite, morimotoite...structure. INTRODUCTION The general formula for garnet is [8]X3[6]Y2[4] Z3[4]O12. Andradites, ideally...is Ca3Ti4+2 [Fe3+2Si]O12 and the other Ti-rich garnet of interest for this study is morimotoite, ideally |  | | Journal (article/letter/editorial) | | the two noteworthy exceptions being the Arkansas group of intrusions (up to 0.38 apfu Al: McCormick & Heathcote...latter locality was considered xenocrystic. Garnet-group minerals crystallized throughout the evolutionary...the crystal. Compositionally, this is a granditic garnet, with very high Ti contents (14.2–16.8 wt.% TiO2)...RUSSIA of Howie & Woolley (1968), the Afrikanda garnet may be classified as schorlomite (>0.5 apfu Ti...four-coordinated sites. In most studies, Ti in the garnet structure is interpreted as tetravalent and present |  | | Book (edition) | | MINE andtheir LOCALITIES JAN H. BERNARD AND JAROSLAV HYRSL INERALS DESCRIBED SINCE 2004 MINERALS...dist., China Fluomatromicrolite, x 25111111, Naipa mine, Mozambique Daliranite, 5111111, Zarshouran Au-As...Domafov, Czech Rep. Juangodoyite, 60111111, Santa Rosa mine, Chile Back cover photo: Ho/fertile on hematite...piment pseudomo,phs after realga,; 75 mm, Palomo mine, Pen, Page 3: Stepite on arsenic, 45 111111,Jachymov...supergroup (Biagioni et al., EJM 25, 85-90, 2013), garnet supergroup (Grew et al., AM 98, 785-811, 2013) |  | | Book (edition) | | extensively rewritten by the book’s distinguished group of authors in the light of new research and important...Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce ©...all varietal names, synonyms, spelling variants, group names, and so forth; only names in contemporary | | | Book (edition) | | extensively rewritten by the book's distinguished group of authors in the light of new research and important...Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...all varietal names, synonyms, spelling variants, group names, and so forth; only names in contemporary...contemporary use have been included. Most of the mineral group lists presented were taken from the Glossa,y of Mineral |  | 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) | | California. Akira Kato: National Science Museum, Tokyo, Japan. Petr Korbel: Dept. of Mineralogy, National Museum...Species containing more than one anion or anion group may be assigned to a separate class or may be assigned...specifies the atomic (cation to anion, or to anion group) ratio for the mineral. This and the remaining numbers...appropriate Dana number. When recognized, membership in a group is noted. Occasionally, the phrase “an inadequately...internally contradictory. 5A. Groups The term group refers to an aggregate or multiple (usually three |  | | Book | | has also been given to persons from Australia, Japan, China, and India, as well as others from the various...chemist and mineralogist; student of Torbern Bergman; mine owner and mineral analyst; trained J. J. Berzelius...yugawaralite, Yugawara hot spring, Kanagawa Prefecture, Japan. NAMES AFTER POLITICAL DIVISIONS Many names...naming new minerals is to incorporate the name of the mine or deposit in which the mineral was first found...antlerite, Antler mine, Mohave County, Arizona. bultfonteinite, Bultfontein diamond mine, Kimberley, South |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other...site occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite...registered in this book (e.g. in the amphibole group). For more detailed information see "Dana's System |  | | Book (edition) | | York NY llXl0I. US;\ Chapman & Hall Japan. Thomson Publishing Japan. I lirakawacho Nc.:n101u Building....6F. 1-7-11 Hirakawa-cho. Chiyoda-ku. Tokyo !02. Japan Chapman & Hall Aus1rnlia. Thomas Nelson Aus1r.1lia...belongs to a broader group of related minerals, the name adopted for the group is given beneath the formula...editions of this book. Brieny. within each anionic group the minerals arc arranged in order determined by...those of the alkaline earths, etc. Within each group the minerals are tabulated with increasing anion |  | | Book | | Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous...ilmenite crystals as described here for the Dodo mine. In general, ilmenite crystals from the Subpolar |  | | Journal (issue) | | the Wessels mine, South Africa ............365 by J. Gutzmer & B. Cairncross The Parker mine, Notre Dame...heaps from a coal mine. A second, similar occurrence was discovered at a coal mine near Kladno, Bohemia...features 180 specimens, individually filmed, and 35 mine location photos to illustrate the history and workings...and Denver (Hoi. Inn N) Shows We'll have a New Group of Indian Specimens at Attractive Prices MIRIAM...MASTERCARD ONLY, $25.00 ($15.00 + $10.00 post.) JAPAN: No conversion necessary, VISA or MASTERCARD ONLY |  | | Book (edition) | | Chrysoberyl Spinel Topaz Tourmaline The Garnets Feldspar Group Zircon Peridot 69 92 117 150 167 171 175 185 195...book would be more sensibly shared out among a group of authors/gemmologists, each member tackling his...Edition being extracted from ‘Gems of the Silica Group’ to form a separate chapter. I have also reintroduced...amethyst, which are now produced in Russia and Japan on a commercial scale. Alteration in the colour...First Edition For two decades, an earlier work of mine – Practical Gemmology – has proved a useful elementary |
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