• Kobeite-(Y) Mineral Data

    webmineral.com/data/Kobeite-%28Y%29.shtml Kobeite-(Y) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 51.99 ± 13.00 grams of pure Kobeite-(Y) .
  • Kobeite-(Y): Mineral information, data and localities.

    www.mindat.org/show.php Kobeite-(Y) mineral data, information about Kobeite-(Y), its properties and worldwide locations.
  • Kobeite-(Y) - Mindat.org

    www.mindat.org/gm/2232 5 mm long Kobeite-(Y) crystal aggregate. Its formula is ((Y 0.30 REE 0.16 ) 0.46 U 0.06 Ca 0.05 Th 0.03 ) 0.60 Zr 0.73 (Ti 1.41 Fe 3+ 0.76 Nb 0.09 Ta 0.01 ) 2.27 O 6.18 (OH) 0.82 according to microprobe ...
  • Kobeite-(Y)

    e-rocks.com/item/ufo767990/kobeite-y Setagawa, Hiroshima City, Hiroshima Prefecture, Honshu Island, Japan - Black acicular micro Kobeite-Y frozen in matrix
  • Kobeite-(Y) - Photo Gallery

    www.mindat.org/gallery.php Hataga pegmatite, Hataga, Hiroshima City, Hiroshima Prefecture, Japan 5 mm long Kobeite-(Y) crystal aggregate. Its formula is ((Y 0.30 REE 0.16) 0.46 U 0.06 Ca 0.05 Th 0.03) 0.60 Zr 0.73 (Ti 1.41 Fe 3+ 0.76 Nb 0.09 Ta 0.01) 2.27 O 6.18 (OH) 0.82 according to microprobe data. Received from Hiromi Yamasaki, and I am sincerely grateful to her.
  • Kobeite-(Y)

    e-rocks.com/minerals/4495/kobeite-y Current Live Fixed Price Sales. Sign In. Username or e-mail *
  • Kobeite-(Y) (Y U)(Ti Nb)2(O OH)6(?) - Handbook of Mineralogy

    www.handbookofmineralogy.com/pdfs/kobeite-(Y).pdf Kobeite-(Y) (Y,U)(Ti,Nb)2(O,OH)6(?) c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Cubic; metamict. Point Group: n.d. As long to short prismatic crystals, striated parallel to elongation, to 5 cm; in parallel to radiating groups, and dendritic aggregates. Physical Properties: Cleavage: Perpendicular to the length, probably a parting.
  • Kobeite-(Y) from Hataga pegmatite, Hataga, Hiroshima City ...

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  • Kobeite-(Y) from Shiraishi-yama (Shiroishi), Kobe ...

    www.mindat.org/locentry-134364.html Kobeite-(Y) Shiraishi-yama, Kobe, Kyōtango City, Kyoto Prefecture, Japan. Kobeite-(Y) Shiraishi-yama, Kobe, Kyōtango City, Kyoto Prefecture, Japan
  • Nb-Ta-rare earth element mineralization in titaniferous ...

    www.sciencedirect.com/science/article/pii/S0169136819304640 XRD analyses show that these titaniferous- and vanadium-rich aluminous laterite cappings contain anatase, diaspore, gibbsite and boehmite as major minerals, along with minor minerals such as hematite, nacrite, florencite-(Ce), florencite-(La), florencite-(Nd), kobeite-(Y), greenalite, and goethite (Fig. 5a–d) .