 | | Book (edition) | | Minerals that are listed as belonging to the same group are similarly closely comparable in composition...tric .. rclated to Tbomasclarklte-(Y), Pouelrette quarry. Moni Saint-llilairc. RoU\,ille County, Qu bec...Aenigmalilegroup 6, mon.. Rundcmcyr,Eker,Kongsbcrg,Buskcrud,Norway Pyroxenegroup D Aerinite(formcrlyAi!rinite),(Ca...Mountains,Russia,DANS 142, 181-184(sir.) Aescl1yni1e group 0 Aeschynite-(Nd),(Nd,Ce,Ca,Th)(Ti,Nb)i(O.OH)...Tantalneschynite-(Y),Urstad,HitteroIsland,Norway, 61. 178 Aeschy11i1e group D Afghanite,[(Na,K)22Ca10][Si24Al14O9< |  | | 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...) 6-21 %. VHN(synth.) (10.C. purine-porphyrine group). a nickel porphyrine. With quartz. rutile, piemontite |  | | Book | | . . . . 165 180 182 Chapter 5: RADIOACTIVE PEGMATITE DEPOSITS Geological Characteristics of Pegmatites.... . . . . . . . . . . . Alum Shale, Sweden and Norway . . . . . . . . . . . . . . . . . . . . . . . ...te, perovskite, sphene Pyrochlore-1nicrolite, euxenite-polycrru;e, monazite, xenotin1e, gadolinite, thalenite...point out that the rnen1bers of the metatorbernite group are not strictly isostructural, because the water...torbernite and metatorbernite gro,ups Torbernite group I-I20 Autunite . .... . .. .......... ... Uranospinite |  | 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) | | Mineralogisk-Geologisk Museum, University of Oslo, Oslo, Norway. Richard J. Reeder: Dept. of Earth Sciences, State...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 |
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