 | | Journal (article/letter/editorial) | | Relationship to other minerals Crystal system, Space group; Structure determined, yes or no Unit-cell parameters...yangzhm@mail.igcas.ac.cn Perrierite chevkinite group Monoclinic: C2/m; structure determined a = 13.973(3)...Milan Novák *E-mail: rskoda@sci.muni.cz Epidote group Monoclinic: P21/m; structure determined a = 8.8897(5)...Dubrovinsky *E-mail: irina.galuskina@us.edu.pl Garnet group Cubic: Ia3̄d a = 12.536(3) Å 4.432(87), 3.134(84)...Blaß *E-mail: uwe.kolitsch@nhm-wien.ac.at Epidote group Monoclinic: P21/m; structure determined a = 8.938(2) |  | | Journal (article/letter/editorial) | | 718.5 Å3. Alfredopetrovite is hexagonal, space group P62c. The single crystal unit-cell parameters are:...unit-cell parameters of the monoclinic cell (space group C2) refined from X-ray powder-diffraction data are:...quartz, aegirine, and richterite, minerals of the garnet group and a number of manganese and iron oxides with... c = 22.290(2) Å, V = 2214.4 Å3, Z = 16, space group I41/acd. The crystal structure solved and refined...Mineralogie und Kristallographie, University of Vienna, Austria. The X-ray structure refinement of single crystals |  | | Book (edition) | | 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...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g. |  | Dyar, M. D., Breves, E. A., Emerson, E., Bell, S. W., Nelms, M., Ozanne, M. V., Peel, S. E., Carmosino, M. L., Tucker, J. M., Gunter, M. E., Delaney, J. S., Lanzirotti, A., Woodland, A. B. (2012) Accurate determination of ferric iron in garnets by bulk Mossbauer spectroscopy and synchrotron micro-XANES. American Mineralogist, 97 (10) 1726-1740 doi:10.2138/am.2012.4107 | Journal (article/letter/editorial) | | deficiencies, focusing specifically on a set of garnet group minerals. Variable-temperature Mössbauer spectra...composition were acquired and fit, producing a set of garnet-specific standards for Fe3+ analyses. High-resolution...calibration suite representing a broad range of Fe3+ and garnet composition. Several previously proposed techniques...for bulk and microanalysis of garnet group minerals. Keywords: Garnet, almandine, andradite, grossular...metamorphic rocks types (such as those in the garnet group studied here) record variation in oxygen fugacity |  | | Book (edition) | | given to the " normal group" under the successive systems, that is, to the group which is most common...is determined by the way in which the molecules group themselves together in a position of equilibrium...about each one of them (or at least about each unit group of them), and further the same in all parallel lines... Die Anwendung der stereographischen Projektion bei kristallographischen Untersuchungen, 1911. Die gnomonische...Trapezohedron Trapezohedron and Dodecahedron Garnet. 119 118 Garnet. Trapezohedron and Octahedron Spinel |  | 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) | | Institut fur Mineralogie der Universitat Wien, Austria. Michael Zolensky: Lyndon Johnson Space Center...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 (edition) | | 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...7.3 AbernalhJile. K(U00As0,.4H�O. Meta-autunite group. M.E. Thompson. B. Ingram. and E.B. G ross ( 1 956)...p. 579. Abkhazite. syn. of tremolite. Amphibole group. N.E. E fremov ( 1 940 for 1 938) Trans. 111st. |  | | Book (edition) | | mark the degree of symmetry which belongs to each group of forms, and which is in fact the fundamental distinction...that in group 1 the crystals are formed or developed alike in all three axial directions ; in group 2 the...in the several lateral directions, but unand in group 3 the crystals are formed unlike in all three like...species. In f 229, of anorthite, of the feldspar group, the form is very similar to those of the monoclinic...octahedron, it is especially common with the spinel group of minerals similarly, f. 269, a more complex form |  | | Book (edition) | | mark the degree of symmetry which belongs to each group of forms, and which is in fact the fundamental distinction...study of these different systems will show that in group 1 1. : ; : A the crystals are formed or developed...developed alike in all three axial directions; in group 2 the development is alike in the several lateral...lateral directions, but unlike vertically ; and in group 3 the crystals are formed unlike in all three These...species. In f 229, of anorthite, of the feldspar group, the form is very similar to those of the monoclinic |  | | Book (edition) | | that in group 1 the crystals are formed or developed alike in all three axial directions; in group 2 the...species. In f. 229, of anorthite, of the feldspar group, the form is very similar to those of the monoclinic...octahedron, it is especialh'' common with the spinel group of minerals similarly, f. 269, a more complex form...Both resemble rhombohedral forms and are common in garnet and zinc blende. When lengthened in the direction...Similar occurrences are those of trapezohedrons of garnet, where the latter is a mere shell, enclosing calcite |  | | Journal (issue) | | I<. Schmetzer NOTES AND NEW TECHNIQUES Bohemian Garnet -Today Jochen Schliiter and Wolfgang Weitschat...through March 19901one deposit in the Luc Yen district produced more than three million carats of rough...deposits are currently being worked in this gem-rich district. According to various trade sources) the finest...material from the Bo Pailin ruby and sapphire district in Kampuchea (Cambodia];however! heavy fighting...using baclzhoes and by hand throughout the Luc Yen district. In the most sophisticated operation! at Khoan |  | | Journal (volume) | | Geological Society M ca Mineralogical Society of Austria International Mineralogical Association Mineralogical...(Romania) (Austria) (Croatia) (Hungary) (Slovakia) (Greece) (Hungary) (USA) (Hungary) (Egypt) (Austria) (Romania)...(Romania) (Hungary) (Austria) (Bulgaria) (Hungary) (Hungary) (Hungary) (Romania) (Hungary) (France) (Czech...Africa) (Austria) (France) (Hungary) (Hungary) (Hungary) (Croatia) (UK) (Slovakia) (USA) (Austria) (Romania)...trip Subcommittee Friedrich Koller, Co-Chairman (Austria) Ferenc Molnár, Co-Chairman (Hungary (see the inside |  | | Book | | Sapphire Chrysoberyl, Topaz and Spinel Beryl The Garnet Group Tourmaline and Zircon Quartz, Agate and Chalcedony...gravel C. Corundum group D. Chrysoberyl and spinel E. Beryl group F. Garnet group G. Topaz and tourmaline...tourmaline H. Zircon I. Quartz group J. Opal K. Chalcedony group L. Jade minerals M. Lapis lazuli...crystal showing ‘trigons’ 12. Group of beryl crystals 13 a. Group of quartz crystals 13b. Polished...be encountered, giving in each case the mineral group to which they belong. Names which are definitely |  | | Journal (issue) | | all species in the group listings at the back, to facilitate comparisons between group members. These changes...Bleiberg (Austria), Brochantite (OK), Arsenopyrite (Ont.) Author’s Guide $8 $8 Knappenwand (Austria). Laurium...Phosphosiderite $8 v.18/#3 Uranium minerals (Sar dinia), Garnet Hill (NV), Photog rapher’s Guide, Library Guide...Axinites (CA). El Dragon mine (Bolivia), Silver District (AZ), Goldschmidt $8 v.21/#3 American Amethyst...Minerals Opex Opal Pty., Ltd. - Australia Orius Group Outcrop, The Pan Lovely Jewelry Co. Parson's Minerals |  | | Conference Proceedings (Volume) | | regional scale 3D-model of the Skellefte mining district, northern Sweden ..............................VHMS-type deposits, Kristineberg area, Skellefte District, Sweden . . ....................................modelling for VMS exploration in the Pyhäsalmi district, Central Finland ..............................Co-Ni-Cu-Au- mineralization in the Siegerland district, Rhenish Massif, NW Germany ....................Reflection seismic imaging in the Skellefte ore district, northern Sweden Mahdieh Dehghannejad, Christopher |  | | Book | | each mineral contains information on the formula, group, chemiclll the discovery; first the of history cplityand...of Ct,ervonograd, Lvov-Volyn coal basin, Lvov district, W Ukraine. This mineral fills small cavities...this min ,eral is exact ly deter mi ned as the group of Pits prese ntly kno wn as P its nos. 75- 76 («pits...of the n of Ma�nitka, 1a�lied «ps1lome Zlatoust district, S Urals. This specimen, which is lane,>> appears...Valley at the giant Chelkar salt dome, Uralsk district, W Ka zakhstan. Aksaite occurs as colorless, |  | | Report (volume) | | ied, ines eee Eclogites from East-Central China Garnet peridotites IMC LAS CGEIME IS eM ecotesc ster teee...eesseeenes 354 Olivine-garnet (-pyroxene, and -aluminate spinel), and garnet-pyroxene........... Baers...elastic constants of a pyrope-grossular-almandine garnet to 20 GPa. Geophys Res Lett 24:523-526 Chen G,...conductivity of a natural (Mg,Fe)SiO, majorite garnet. Geophys Res Lett 22: Kawai N, Endo S (1970) The...temperature. Geophys Res Lett 1:277-280 of pyrope-garnet at high pressure and Liu LG (1975) Post-oxide |  | | Report (volume) | | estimating the frequency shift associated with each group on 18 O substitution. Importantly, she applied the...compositional variation in that mineral or mineral group affects fractionation behavior. Compositional effects...jadeite-diopside alkali feldspar pyroxene, garnet garnet pyroxene garnet garnet phlogopite Experimental 1.05, 21...pyrope (Mg3Al2Si3O12) and almandine (Fe3Al2Si3O12) garnet are identical (Rosenbaum and Mattey 1995). Collectively...fractionation between pyrope-almandine and grossular garnet at 1000 K (Kieffer 1982; Rosenbaum and Mattey 1995; |  | | Book (edition) | | STAPLES BRITAIN LIMITED WOKING PRINTING SURREY GROUP PREFACE TO THE SECOND EDITION DwrinG the five...few miscellaneous names (pseudomorphs, mixtures, group names, etc.), a selection of descrip- tive names...all those containing metals of the same periodic group are collected into one subsection. In general, division...varieties, names assigned to mixtures or pseudomorphs, group names, etc. The first class are printed in Clarendon...of synonymy if necessary; names of pseudomorphs, group names, etc., are treated similarly. While the literature |  | | Book | | Electric and magnetic vectors in polarized light 3.8.2 Group theoretical interpretation of gillespite polarized...4 Spectra of orthosilicates 5.4.1 Garnet group 5.4.2 Olivine group 5.4.2.1 Background 5.4.2.2 Olivine...4.3 Sillimanite 5.4.4.4 Yoderite 5.4.5 Epidote group 5.4.6 Miscellaneous orthosilicates and isostructural...minerals 5.5 Spectra of chain silicates: Pyroxene group 5.5.1 Background 5.5.2 Pyroxene crystal structure...pyroxenes 5.6 Spectra of chain silicates: Amphibole group 5.6.1 Background 5.6.2 Amphibole crystal structure |  | | Report (volume) | | size and shape of the unit cell, (2) the space group, and (3) the fractional coordinates of all symmetrically...SiO, group offers a good example (Bartelmehs et al. 1995). The Si and O atoms vibrate as a group, as if...Body Motion: Rigid body motion is applicable if a group of atoms vibrate in tandem, with identical translational...volumetric polyhedral parameters for a planar atomic group or for an individual bond. Thus, for example, if...if the mean C-O compressibility of a CO; group is known, then the effective polyhedral compressibility |  | | Report (volume) | | Devonian development diagram Direcci6n Dissertation district distribution division Doctoral, Document Doctoral...study of the South Pass and Atlantic City mining district of Fremont County, Wyo.: Rocks and Minerals, vol...petrology and structure of the Salisbury-Canaan district of Connecticut: Am. Jour. Sci. 5th ser., vol....figs., January 1932. 6. (and Krieger, Philip). Garnet rock near West Ecdding, Conn.: Am. Jour. Sci. 5th...January 1933. 8. Further notes on the Salisbury district of Connecticut: Am. Jour. Sci. 5th ser., vol. |  | | Book | | [10], MgAl2 O4 -spinel [11], zincite-ZnO [12], garnet [13], alpha-SiO2 [14], CaO [15], Fe2 O3 -hematite...to be made of green cheese”], and a significant group of materials was found which have velocities that...Liebermann, whom he recruited from the Seismology Group at Lamont; Leon Thomsen, whom he recruited from...history [43]. As described in detail above, Orson’s group got the opportunity to measure acoustic velocities...northeastern Arizona, including those at Mule Ear, Garnet Ridge, Cane Valley, and Buell Park. 12 Minerals |  | | Book (edition) | | Crystals; Space Lattices Space Groups The Space Group CJ Unit Cells and Domains Illustrative Space Groups...—The Correct Unit Cell The Corresponding Space Group — Tabulation of Possible Atomic Arrangements— The...equivalent points, together constitute a point group. The point and the symmetry classes corresponding... THE STRUCTURE OF CRYSTALS 2C> class, Ci.— This group has no element of symmetry [except of one-fold (360°)...geometrically equivalent to the point Consequently this group is described by the two sets of coordinates xyz |  | | Book (edition) | | that the R E F A C E demise of a particular group of ancient animals resulted from cooling of the...incisive comments and suggestions of the diligent group of reviewers listed below: Preface George E....200-mi11ion-year-old fossil ammonites. Ammonites are an extinct group of cephalopods related to the living chambered nautilus...Scanning from a lower group of strata across an unconformity to an overlying group, he often observed a...their reproductive potential to do so, no single group of orga11is1n s has overwhelmed Earth's surface |
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