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|   |   | Name: Penkvilksite RRUFF ID: R130027 Ideal Chemistry: Na2TiSi4O11·2H2O Locality: Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Source: Don Doell DD 13-01 [view label] Owner: RRUFF Description: Powdery white aggregate Status: The identification of this mineral is not yet confirmed. | 
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| REFERENCES for Penkvilksite | |
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| American Mineralogist Crystal Structure Database Record: [view record] | |
| Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] | |
| Bussen I V, Men'shikov Y P, Mer'kov A M, Nedorezova A P, Uspenskaya E I, Khomyakov A P (1974) Penkvilksite, a new hydrous silicate of titanium and sodium, Doklady Akademii Nauk SSSR, 217, 1161-1164 [view file] | |
| Fleischer M (1975) New mineral names, American Mineralogist, 60, 340-341 [view file] | |
| Merlino S, Pasero M, Artioli G, Khomyakov A P (1994) Penkvilksite, a new kind of silicate structure: OD character, X-ray single-crystal (1M), and powder Rietveld (2O) refinements of two MDO polytypes, American Mineralogist, 79, 1185-1193 [view file] | |
| Sherriff B L, Zhou B (2004) 29Si and 23Na MAS NMR spectroscopic study of the polytypes of the titanosilicate penkvilksite, The Canadian Mineralogist, 42, 1027-1035 [view file] | |
| Cadoni M, Ferraris G (2008) Penkvilksite-2O: Na2TiSi4O11*2H2O, Acta Crystallographica, C64, 87-90 | |
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