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Journal Article
Published: 22 April 2019
Mineralogical Magazine (2019) 83 (3): 473-478.
... examination of two schizolite cotype samples presented here, using single-crystal and powder X-ray diffraction, and optical properties, confirms it to be equivalent to ‘marshallsussmanite’. Historical precedence sets a priority for discrediting the name ‘marshallsussmanite’ in favour of the original, more...
FIGURES
Journal Article
Published: 01 October 2018
Mineralogical Magazine (2018) 82 (5): 1131-1139.
...Henrik Friis ABSTRACT Tombarthite-(Y) is discredited as a mineral species. No type material was available, but material used for the original description has been located and neotype material defined. The main reason for the erroneous description of tombarthite-(Y) is the result of chemical...
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Journal Article
Published: 01 August 2018
American Mineralogist (2018) 103 (8): 1319-1328.
... spectroscopy. These data were compared with previously published data on synthetic monofluorophosphate salts. Collectively, these data indicate that bobdownsite is indistinguishable from whitlockite with a composition along the whitlockite-merrillite solid solution. Bobdownsite is therefore discredited...
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Journal Article
Published: 01 October 2017
Mineralogical Magazine (2017) 81 (5): 1125-1128.
... and another probably corresponding to oboyerite, although the latter itself appears to be a mixture. The discreditation of girdite as a valid mineral species has been approved by the IMA-CNMNC, Proposal 16-G. Girdite was one of four new tellurium oxysalt minerals described from the Grand Central mine...
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Journal Article
Published: 01 December 2016
European Journal of Mineralogy (2016) 28 (5): 1019-1024.
...-group mineral. Partzite is therefore discredited as a valid mineral species. This proposal has been approved by the IMA CNMNC (proposal 16-B). * Corresponding author, e-mail: smills@museum.vic.gov.au 11 4 2016 26 4 2016 03 5 2016 © 2016 E. Schweizerbart'sche...
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Journal Article
Published: 01 July 2016
American Mineralogist (2016) 101 (7): 1700-1703.
...Alan J. Anderson Abstract Diomignite (Li 2 B 4 O 7 ) is discredited as a mineral species, and this discreditation has been approved by the International Mineralogical Association, Commission on New Minerals, Nomenclature and Classification. Diomignite was originally reported to occur in virtually...
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Journal Article
Published: 01 December 2015
European Journal of Mineralogy (2015) 27 (6): 813-819.
...Marco E. Ciriotti Abstract Churchite-(Nd) and iodine, up to now recognized as valid minerals by IMA CNMNC, are discredited because, for different reasons, both are non-existent mineral species and were never actually characterized. Churchite-(Nd) is in fact neodymium-rich churchite-(Y) and iodine...
Journal Article
Published: 01 August 2015
Mineralogical Magazine (2015) 79 (4): 965-983.
... to be discredited. The chemical compositions of the thalénite-(Y) samples studied were determined using a CAMECA SX100 electron microprobe (EMP) analyser at an accelerating voltage of 15 kV, a beam current of 20 nA, and a beam diameter of 8 μm. Characteristic X-ray lines, monochromators, standards and peak...
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Journal Article
Published: 12 December 2014
The Canadian Mineralogist (2014) 52 (4): 769-774.
...Paula C. Piilonen; Ralph Rowe; Glenn Poirier; Joel D. Grice; Andrew M. McDonald A bstract Thorogummite has been discredited as a valid mineral species. No type material from the original study was available for analysis. An extensive review of the literature, both recent and historic, reveals...
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Journal Article
Published: 01 August 2014
European Journal of Mineralogy (2014) 26 (4): 553-565.
...-B for discreditation of magniotriplite and partial reorganization of the triplite–triploidite groups (see Table 1 , Fig. 1 ) was submitted and approved as Voting Proposal 04-A, March 3, 2004, by the Commission of New Minerals and Mineral Names (CNMMN, subsequently merged to constitute...
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Journal Article
Published: 01 June 2014
Mineralogical Magazine (2014) 78 (3): 559-569.
... Ca:Cu:OH:H 2 O ratio from that of tyrolite. This paper establishes that ‘clinotyrolite’ constitutes a distinct species. The name ‘clinotyrolite’ is discredited and the new mineral tangdanite and its name have been approved by the CNMNC of the IMA (IMA 2011-96). Holotype specimens of tangdanite...
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Journal Article
Published: 01 June 2010
European Journal of Mineralogy (2010) 22 (3): 453-457.
... orthobrochantite brochantite polytype Douglas Hill mine IMA–CNMNC discreditation Only a handful of minerals which have been approved since the Commission on New Minerals, Nomenclature and Classification (IMA) began its work about 50 years ago remain unpublished. In a systematic approach...
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Journal Article
Published: 01 May 2010
American Mineralogist (2010) 95 (5-6): 876-879.
...Joel D. Grice; Paul M. Adams; Ralph Rowe Abstract Paraspurrite is discredited as a mineral species. No type material was available necessitating collecting new material from the original locality. A crystallographic study shows paraspurrite to be polysynthetically twinned spurrite, twin law...
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Journal Article
Published: 01 August 2009
The Canadian Mineralogist (2009) 47 (4): 969-976.
...Frank N. Keutsch; Hans-Jürgen Förster; Chris J. Stanley; Dieter Rhede Abstract “Hastite”, the orthorhombic dimorph of CoSe 2 , formerly considered as a valid mineral species occurring in the Trogtal quarries, Harz Mountains, Germany, is discredited as being identical with ferroselite...
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Journal Article
Published: 01 June 2007
The Canadian Mineralogist (2007) 45 (3): 503-508.
.... The name cheralite has priority over brabantite , which hereby is discredited. A six-fold diagram is replaced by a three-fold nomenclature diagram to conform to IMA rules. The parameters of cheralite are redefined. This proposal, IMA 2005/F, was approved by the CNMMN in April 2006. Abstract La nomenclature...
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Journal Article
Published: 01 December 2006
The Canadian Mineralogist (2006) 44 (6): 1557-1560.
... on which the CNMMN has officially taken a decision since 1959 concerning their approval (A), discreditation (D), and redefinition (R); this list was updated in February 2004. This so-called ARD list is part of the website ( www.geo.vu.nl/~ima-cnmmn ) of the Commission, since July 2006 renamed Commission...
Journal Article
Published: 01 October 1999
The Canadian Mineralogist (1999) 37 (5): 1313-1315.
Journal Article
Published: 01 September 1999
American Mineralogist (1999) 84 (9): 1445-1450.
... species. Because of priority, it is proposed that gonnardite be retained as a valid mineral species and tetranatrolite be discredited. GeoRef, Copyright 2004, American Geological Institute. 1999 ...
Journal Article
Published: 01 October 1996
The Canadian Mineralogist (1996) 34 (5): 991-999.
... lueshite characterized by enrichment of La over Ce. The term "nioboloparite" does not correspond to a distinct mineral species and must be discredited. © 1996 Mineralogical Association of Canada 1996 Mineralogical Association of Canada ...
Journal Article
Published: 01 August 1990
American Mineralogist (1990) 75 (7-8): 928-930.