Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Alexander P. Khomyakov"'
Autor:
Alexander I. Khomyakov
Publikováno v:
Academia: Архитектура и строительство, Iss 2 (2018)
The second article concludes the cycle "Paper Architecture" and narrates about the criteria for projects belonging to the considered genre of creativity, highlights its most representative representatives of both domestic and foreign schools. The pub
Externí odkaz:
https://doaj.org/article/ff2cfa811d0d488db4bc46a16ac53146
Publikováno v:
Mineralogy ISBN: 9781003079569
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9102b6e36f0d1738a8db8de42ac72bf4
https://doi.org/10.1201/9781003079569-2
https://doi.org/10.1201/9781003079569-2
Autor:
Frank C. Hawthorne, Yassir A. Abdu, Alexander P. Khomyakov, Alessandro Genovese, Fernando Cámara, Elena Sokolova
Publikováno v:
The Canadian Mineralogist. 53:401-428
The crystal structure of betalomonosovite, ideally Na 6 □ 4 Ti 4 (Si 2 O 7 ) 2 [PO 3 (OH)][PO 2 (OH) 2 ]O 2 (OF), a 5.3331(7), b 14.172(2), c 14.509(2) A, α 103.174(2), β 96.320(2), γ 90.278(2)°, V 1060.7(4) A 3 , from the Lovozero alkaline mas
Publikováno v:
The Canadian Mineralogist. 51:921-936
Kolskyite, (Ca□)Na2Ti4(Si2O7)2O4(H2O)7, is a Group-IV TS-block mineral from the Kirovskii mine, Mount Kukisvumchorr, Khibiny alkaline massif, Kola Peninsula, Russia. The mineral occurs as single, platy crystals 2–40 μm thick and up to 500 μm ac
Publikováno v:
Mineralogical Magazine. 75:2687-2702
Sveinbergeite, Ca(Fe2+6Fe3+)Ti2(Si4O12)2O2(OH)5(H2O)4, is a new astrophyllite-group mineral discovered in a syenite pegmatite at Buer on the Vesteroya peninsula, Sandefjord, Oslo Region, Norway. The mineral occurs in pegmatite cavities as 0.01—0.05
Publikováno v:
The Canadian Mineralogist. 48:291-300
Carbobystrite, ideally Na 8 [Al 6 Si 6 O 24 ](CO 3 )·4H 2 O, trigonal, a 12.6678(5), c 10.3401(4) A, V 1437.0(2) A 3 , c:a = 0.8162, space group P 31 c , Z = 2, R = 0.0271 (for 4861 observed reflections collected with a four-circle X-ray diffractome
Publikováno v:
Doklady Earth Sciences. 410:1075-1079
Publikováno v:
European Journal of Mineralogy. 17:875-882
A collection of six decationized eudialytes from alkaline massifs of various regions was investigated by the single-crystal method. These samples differ from typical eudialytes by their low contents of alkaline and alkaline-earth cations and the high
Publikováno v:
The Canadian Mineralogist. 43:1527-1544
The crystal structures of polyphite, Na5 (Na4Ca2) Ti2 [Si2O7] (PO4)3 O2 F2, triclinic, space group P 1, Z = 2, a 5.3933(2), b 7.0553(3), c 26.451(1) A, α 95.216(1), β 93.490(1), γ 90.101(1)°, V 1000.44(8) A3, and sobolevite, Na12 Ca (NaCaMn) Ti2
Publikováno v:
The Canadian Mineralogist. 43:1521-1526
La structure cristalline de l'olgite, dont la composition ideale est Ba (Na,Sr) 2 Na [PO 4 ] 2 , mineral hexagonal, echantillon (I), a 5.5606(2), c 7.0450(6) A, V 188.65(5) A 3 , et echantillon (III), a 5.5492(2), c 7.0286(5) A, V 187.44(4) A 3 , Z =