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Groat L A , American Mineralogist , 81 (1996) p.238-243, The crystal structure of namuwite, a mineral with Zn in tetrahedral and, octahedral coordination, ...
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Sky-blue, platy crystals of namuwite on matrix. Gelbe Birke Mine, Schwarzenberg District, Erzgebirge, Saxony, Germany.
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Note: Well-developed, tabular 'Namuwite' crystals from some slag localities in the Hartz mountains, Germany, are in fact Unnamed (Gordaite-related Ca-Zn Sulphate Chloride Hydrate) (U. Kolitsch, unpubl. data). May appear visually similar to schulenbergite . ... Classification of Namuwite...
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1). (3) Groat, L.A. (1996) The crystal structure of namuwite, a mineral with Zn in tetrahedral and octahedral coordination, and its relationship to the synthetic basic zinc sulfates. Amer. Mineral., 81, 238–243. All rights reserved.
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This article has been cited by other articles: ... Lee A. Groat ... University of British Columbia, Department of Geological Sciences, Vancouver, BC, Canada;
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1986). In namuwite, the layers are not displaced. This suggests that the presence of Cu in the octahedral sites prevents displacement of the layers with dehydration, effectively maintaining the anhydrous part of the pentahydrate structure.
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Namuwite occurs as a Minrecordite, a new mineral from Tsumeb. Mineralog. Recrounded encrustation on hydrozincite occupying an area 1.5 x ord. 13. 13l-136. 5.0 cm and up to 0.5 ... To the unaided eye namuwite appears amorphous, but under the SEM is seen to consist of The mineral occurs as small twisted crystals on dioptase;
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Namuwite - Wikipedia
La namuwite è un minerale. Webmin Solfati, cromati, molibdati e tungstati
it.wikipedia.org/wiki/Namuwite |
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Mots-clés: osakaïte, sulfate basique de zinc, namuwite, mine Hirao, Osaka, Japon. .... and namuwite were determined by single-crystal X-ray ...
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