Rhabdophane-(Y), YPO 4·H 2O, a new mineral in alkali olivine basalt from Hinodematsu, Genkai-cho, Saga Prefecture, Japan

Yasuhiro Takai, Seiichiro Uehara

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Objective:Rhabdophane-(Y), ideal formulaYPO 4·H 2O, occurs in a druse of the Higashimatsuura basalt at Hinodematsu, Ge kai-cho, Saga Prefecture, Japan. It occurs as short rod-like crystals and forms radial aggregates. Rhabdophane-( Y) is hexagonal, P6 222, a = 6.959(2) Å, c = 6.384(2) Å, V = 267.7(1) Å 3, Z = 3. It is yellowish white to yellowish brown in color with a silky to dull luster. The density is 4.54 g/cm 3 (calc.). The strongest lines in the X-ray powder diffraction pattern are [d (I/I 0) hkl] 2.821 (100) 102, 3.013 (77) 200, 6.026 (76) 100, 4.385 (47) 101, 3.480 (44) 110, 2.127 (28) 003, and 1.854 (26) 212.

Original languageEnglish
Pages (from-to)110-113
Number of pages4
JournalJournal of Mineralogical and Petrological Sciences
Volume107
Issue number2
DOIs
Publication statusPublished - 2012

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Geology

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