Synthetic wodginite, tapiolite and tantalite: M38-8/13E-PDF

"Solid phases in the systems MnTa2O6-FeTa2O6-O and MnTa2O6-FeTaO4 have been synthesized at various temperatures and partial pressures of oxygen. In the binary system MnTa2O6-FeTa2O6, the two solid phases produced were: (i) orthorhombic tantalite, and (ii) tetragonal (tapiolite). The maximum amounts of substitution al 1200 °C were x = 0.18, y = 0.62. The oxidation of these tantalites and tapiolites produced solid phases with compositions that are on the join MnTa2O6-FeTaO4, plus exsolved Ta2O5. In the system MnTa2O6-FeTaO4, the three solid phases produced were: (i) orthorhombic tantalite, (ii) monoclinic wodginite, and (iii) a tetragonal compound with a rutile-type structure. It has been shown that in wodginite (i) the iron is trivalent and the manganese divalent, and that (ii) tin is not an essential component"--Abstract, p. 461.

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Department/Agency Natural Resources Canada. Dept. of Energy, Mines and Resources. Mines Branch.
Title Synthetic wodginite, tapiolite and tantalite
Series Title Reprint series ;
Publication Type Series - View Master Record
Language [English]
Format Electronic
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Note Cover title. "Reprinted from the Canadian Mineralogist, Vol. 8, Part 4, 1966, Pages 461 to 470." Historical publication digitized from print 2017 [by Natural Resources Canada].
Date 1966.
Number of Pages p. 461-470 :
Catalogue Number
  • M38-8/13E-PDF
Departmental Catalogue Number 300092
Subject Terms Minerals