 | | Journal (article/letter/editorial) | | Petscheckite andliandratite,two newpegmatitemineralsfrom Madagascar AnNo MUcxn nNIoHuco SrnuNz Institutfur Miner...new metamict minerals in the Antsakoa I pegmatite near Berere tn Madagascar. They were recrystallized through...Ua+(Fe!r+'!rr')(Nb,Ta)rO'(O,OH )' ( 2 ) L i a n d r a t i t e ,U 6 + ( N b , T a ) 2 O ss,p a c eg r...1.83for metamict material. The structure of liandratite is identical with that of syntheticU6+TazOa.The...performed noteworthy prospectingactivitiesin Madagascar. Both specieswere acceptedby the IMA Commission |  | | Report (issue) | | c = 4.02 Z=1 X-ray Powder Pattern: Berere, Madagascar; after heating at 650 ◦ C. 4.02 (10), 3.21 (10)...01 0.10 1.32 0.49 0.05 99.59 2+ (1) Berere, Madagascar; [“oxy-petscheckite” with Fe oxidized to Fe3+...accessory mineral in a zoned pegmatite. Association: Magnetite, columbite, liandratite, pyrochlore, strüverite...From the Antsakoa I pegmatite, near Berere, about 40 km northeast of Tsaratanana, Madagascar. Name: Honors...Idar-Oberstein, Germany, who prospected extensively in Madagascar. Type Material: National Museum of Natural History |  | | Report (issue) | | U6+ (Nb, Ta)2O8 Liandratite c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Hexagonal;...c = 4.01 Z=1 X-ray Powder Pattern: Berere, Madagascar; after heating at 650 ◦ C. 3.18 (10), 4.01 (8)...∼50. ∼50. 38.11 12.67 ∼0.5 100.00 (1) Berere, Madagascar; by microchemical analysis. (2) U(Nb, Ta)2 O8...= 5:1. Occurrence: petscheckite. In a zoned pegmatite in amphibolite-grade gneiss, as an oxidized crust...quartz, feldspar. Distribution: From the Antsakoa I pegmatite, Fianavantsoa, near Berere, about 40 km |  | | Journal (article/letter/editorial) | | of a mineral sample from the Tiltvika granite pegmatite, Norway, shows the presence of a metamict phase...petscheckite, ferrocolumbite, metamict state, granite pegmatite, Tiltvika, Norway. Introduction Petscheckite...as a new mineral species from the Antsakoa I pegmatite in Madagascar, which seems to be DOI: 10.1127/...a metamict mineral from the Tiltvika granite pegmatite, Nordland, Norway. The sample was found to be...this is also the case for type petscheckite from Madagascar. Experimental methods and results Chemical composition |  | | Journal (issue) | | , and D. R. Cook Hyalite from the Spruce Pine District, North Carolina ................................treasured reference works and publications (including, as I said, early issues of the Record) will not be around...remain. Not that I don’t enjoy these other publications and mourn their eventual demise . . . I do indeed (editors...invited to contact me for more information). But I can’t help smiling at the thought that our total,...hydroxyl member of the series: hydroxyl-herderite. I INTRODUCTION Herderite, CaBe(P04)F, and hydroxyl-herderite |  | | Book | | THE MINERALOGICAL INDEX VOLUMES I-XXV RECORD THE MINERALOGICAL INDEX RECORD VOLUMES 1-:XXV...had been paginated in regular sequence. VOLUMES I-25 #1 #2 #3 #4 #5 #6 1970 1971 1972 1973 1974...6I 8 / 1977 9 I 1978 1-68 1-64 10 / 1979 1-64 65-128 65-128 1-64 12 / 1981 13 I 1982 1-64 14...[ 23 I 1992 [ 65-128 65-136 65-128 1-96 GOLD-II] 1-112 MMEE•] 25 I 1994 1-80 ARIZONA-I] ARIZONA-II]...HOUSTON] [ 167-262 103-166 NEWMEX.] 21 / 1990 22 I 1991 337--424 273-336 [ 1-128 129-208 [ COPPER] |  | | Book (edition) | | e l e )ALS 5R E N I M _ _ Second Edition | w Bee Encyclopedia of minerais / =Roberts, Willard —... Encyclopedia of Minerals IN MEMORY OF 2. HELEN KEMPNER < i FROM ye = JOHN & ELAINE WOODARD oe le sy n--...George Robert, 1930QE355.R6 1990 549’ .03’21—dc19 I. Campbell, Thomas J. Dieithes 89-5633 This book...- = (m4 . 4 7 8 ’ a + 7 } b i ‘eam + By i : _ : Pag — ~ e -~ “he a * — ww...“patos Bie Iniciar ; Mflitioaveg Isr Geel 2 ons fg! i ol hota bpby batees ® vi wary 6 nage of sondbihide | | | Book (edition) | | J+B 1 3 2Ul$J . . ~-•n ~ NUV V ',- /..VI,;, • I J REF 549.03 ROBERT Roberts, Willard Lincoln....Editor: Wendell E. Wilson Sagtiache Co1tntr Publlc I...ibran' Saguache, Colorado ~ VANNOSTRAND REINHOLD...Melbourne, Victoria 3205, Australia Nelson Canada I 120 Birchmount Road Scarborough, Ontario MIK 5G4,...14 13 ~- ?-S- q I 12 11 10 9 ...[' 11./ "'IJI'l,'_; 8 7 6 5 4 3 I ~ I CJ5, Cl .s Library...of the specimen as a whole or the visible portion. I want to thank the various photographers, particularly |
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Antsakoa I pegmatite, Bekapaika Commune, Tsaratanàna District, Betsiboka, Madagascar