 | | Journal (article/letter/editorial) | | University of Otago, Dunedin, New Zealand and Geology Department, University of New England, Armidale, New South...described in phonolitic rocks from the Dunedin district, New Zealand, ameletite was considered by Marshall...of traehytoid phonolites of the Dunedin volcanic district, New Zealand, to the exclusion of nepheline...was based on 'the trachytoid phonolite of Tainui Quarry, Anderson's Bay' in which it was reported to occur...acid-soluble fraction (12.5 ~o of the rock) of the Tainui Quarry is set out in table I, analysis 5 ; together with |  | | Journal (article/letter/editorial) | | NarFel+Fel+SiuO20, a new member of the aenigmatitegroup from the Warrumbungle Yolcano, New South Wales, Australia...cr Wilkinsonite, ideally NarFel+Fel+Si.Oro,is a new member of the aenigmatitegroup. Its principal known...dtrachyte from the Wamrmbungle Volcano, central New South Wales, Australia. A complete solid-solution...through intermediate compositions to Ti-deficient aenigmatite, via the coupled substitution 2Fe3*: Fe2*Ti....to acquire the reddish brown tints typical of aenigmatite when TiO, exceedsabout 3 wto/0.Wilkinsonite, |  | | Report (issue) | | Na2 Fe2+ 5 TiSi6 O20 Aenigmatite c 2001 ° Mineral Data Publishing, version 1.2 Crystal Data: Triclinic...Triclinic, pseudomonoclinic. Point Group: 1: Crystals poorly developed, prismatic, to 8 cm; as irregular...100.34 99.97 (3) 7.19 100.00 (1) Khibinite quarry, Kirovsk, Kola Peninsula, Russia. (2) Motzfeldt...Mineral Group: Forms a series with wilkinsonite. Aenigmatite group. Occurrence: A primary constituent in...complex, New South Wales; and the Peak Range Province, Queensland. From Logan Point quarry, Dunedin volcano |
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