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• Ishikawaite: Ishikawaite mineral information and data.

  Originally described as YNbO 4 (Kimura, 1922), but redefined by Hanson et al. ( 1999) as (U,Fe)NbO 4 . (Mineral is metamict; published data on XRD pattern ...

  www.mindat.org/min-2050.html - 57k - Similar pages

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• Ishikawaite Mineral Data

  Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 1681.9 ±420.48 grams of pure Ishikawaite . ...

  webmineral.com/data/Ishikawaite.shtml - 42k - Similar pages

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• Proposed nomenclature for samarskite-group minerals; new dat...

  The current definition of samarskite-group minerals suggests that ishikawaite is a uranium rich variety of samarskite whereas calciosamarskite is a calcium ...

  minmag.geoscienceworld.org/cgi/content/abstract/63/1/27 - Similar pages

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• Proposed nomenclature for samarskite-group mineral...

  Automatic download [Begin manual download]. Downloading the PDF version of: Mineral Mag Hanson et al. 63 (1): 27. (177K) ...

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• ishikawaite

  An orthorhombic mineral, (U,Fe,Y,Ca)(Nb,Ta)4 (?) ; opaque black; at Ishikawa, Iwaki Province, Japan. Source: Dictionary of Mining, Mineral, ...

  www.webref.org/geology/i/ishikawaite.htm - Similar pages

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• [PDF]Occurrence of Ishikawaite (Uranium-Rich Samarski...

  Ishikawaite, with an average assay of about 50% Nb2O5 and 26% UO2 has been identified ... try of the studied ishikawaite were determined using microscopic ...

  www.informaworld.com/index/908907280.pdf - Similar pages

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• 希元素鉱物コレクション Ｉｓｈｉｋａｗａｉｔｅ 石川石 （2件 展示 ...

  RMC111 Ishikawaite 福島県石川郡石川町 石川山 最大１ｃｍ ... RME012 Ishikawaite Cast Mine, East standpipe Hill, Topsham, Sagadahoc county , maine.

  minerals.no-ip.com/gallery/html/ishikawaite.htm - 14k - Similar pages

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• Ishikawaite - Wikipedia

  L'ishikawaite è un minerale. Indice. 1 Abito cristallino; 2 Origine e giacitura; 3 Forma in cui si presenta in natura; 4 Collegamenti esterni ...

  it.wikipedia.org/wiki/Ishikawaite - 25k - Similar pages

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• [PDF]Nb-Ta-Ti OXIDES lN GRANITIC PEGMATITES FROM THE ...

  Ishikawaite was found in all of the locations studied except the ... and Ti dominant at the B site, occurs in addition to ishikawaite. ...

  rruff.geo.arizona.edu/doclib/cm/vol36/CM36_601.pdf - Similar pages

  http://rruff.geo.arizona.edu/doclib/cm/vol36/CM36_601.pdf

• [PDF]THE HELIUM CONTENTS AND THE AGES OF JAPANESE RAD...

  of lead in the ishikawaite, the authors have also estimated its maximum ... Helium in the Ishikawaite. The most radioactive mineral which, like ...

  joi.jlc.jst.go.jp/JST.Journalarchive/bcsj1926/3.244?from=G... - Similar pages

  http://joi.jlc.jst.go.jp/JST.Journalarchive/bcsj1926/3.244?from=Google