1-20 OF 110 RESULTS FOR

alkali titanosilicates

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
×Close Modal
Sort by
Journal Article
Published: 01 December 2001
The Canadian Mineralogist (2001) 39 (6): 1665-1673.
...Giovanni Ferraris; Elena Belluso; Angela Gula; Svetlana V. Soboleva; Olga A. Ageeva; Boris E. Borutskii Abstract Bornemanite is a rare alkali titanosilicate occurring in the natrolite zone of the Yubileynaya hyperagpaitic pegmatite, on Karnasurt Mountain, in the Lovozero massif, Kola Peninsula...
FIGURES
Journal Article
Published: 01 December 1986
American Mineralogist (1986) 71 (11-12): 1473-1475.
...Christiane Wagner; Danielle Velde Abstract Davanite, a new alkali titanosilicate recently described from Siberia, has been found associated with coexisting orthorhombic and rhombohedral Ca-Sr carbonates in the Smoky Butte lamproite. The new chemical composition and X-ray diffraction pattern agree...
Journal Article
Published: 01 March 2007
European Journal of Mineralogy (2007) 19 (2): 217-222.
... microporous titanosilicates hydrothermal synthesis The labuntsovite group ( Chukanov et al. , 2002 ; 2003 ) includes hydrous titanium and niobium alkali silicates represented by the general formula A 4 B 4 [ C 4−2 x (H 2 O,OH) 2 x ] D x [ M 8 (Si 4 O 12 ) 4 (OH,O) 8 ] · n H 2 O...
FIGURES | View All (4)
Journal Article
Published: 01 June 2004
The Canadian Mineralogist (2004) 42 (3): 769-780.
..., monteregianite-(Y), leucosphenite, mangan-neptunite, ancylite-(Ce), an alkali amphibole, a eudialyte-group mineral, sodalite, stillwellite-(Ce), vinogradovite, götzenite, pyrite, molybdenite, galena, sphalerite, and hibschite. The mineral has a vitreous luster, is transparent to translucent, has a white streak...
FIGURES | View All (7)
Journal Article
Published: 01 October 2001
The Canadian Mineralogist (2001) 39 (5): 1307-1316.
... of delindeite reported above show that this titanosilicate is cation-deficient with respect to the ideal formula of bafertisite-like phases (see below). The structural disorder and the lack of good crystals support the hypothesis that the cation deficiency is due to alkali leaching, a situation to be compared...
FIGURES
Journal Article
Published: 01 October 2003
The Canadian Mineralogist (2003) 41 (5): 1183-1192.
...Giovanni Ferraris; Elena Belluso; Angela Gula; Svetlana V. Soboleva; Alexander P. Khomyakov Abstract Seidite-(Ce), Na 4 (Ce,Sr) 2 {Ti(OH) 2 (Si 8 O 18 )}(O,OH,F) 4 ·5H 2 O, is a titanosilicate recently discovered in the Yubileynaya pegmatite at Mount Karnasurt, Lovozero alkaline massif, Kola...
FIGURES
Journal Article
Published: 01 October 2004
American Mineralogist (2004) 89 (10): 1561-1565.
... Facility (ESRF, Grenoble, France). The structure was refined to R 1 = 0.101 on the basis of 2359 unique observed reflections with | F o | ≥ 4σ F . The structure of yuksporite is based upon titanosilicate nanorods elongated along a and with an elliptical cross-section of ca. 16 × 19 Å = 1.6 × 1.9 nm...
FIGURES
Journal Article
Published: 01 February 2006
American Mineralogist (2006) 91 (2-3): 385-393.
... ) Heat capacity, viscosity, and configurational entropy of alkali titanosilicate melts . Geochimica et Cosmochimica Acta , 63 , 2429 – 2437 . Brown , G.E. , Jr. , Waychunas , G.A. , Ponader , C.W. , Jackson , W.E. , and McKeown , D.A. ( 1986 ) EXAFS and NEXAFS studies...
FIGURES | View All (6)
Journal Article
Published: 01 October 2000
American Mineralogist (2000) 85 (10): 1516-1520.
...Victor V. Subbotin; Stefano Merlino; Dmitry Yu. Pushcharovsky; Yakov A. Pakhomovsky; Orazio Ferro; Alla N. Bogdanova; Anatoly V. Voloshin; Natalia V. Sorokhtina; Natalia V. Zubkova Abstract Tumchaite, Na 2 (Zr,Sn)Si 4 O 11 ·2H 2 O, is a new species from the Vuoriyarvi alkali-ultrabasic massif...
FIGURES
Journal Article
Published: 01 November 2004
American Mineralogist (2004) 89 (11-12): 1655-1666.
... , N.I. ( 1973 ) Crystal structure of the alkali titanosilicate labuntsovite . Kristallografiya , 18 , 950 – 955 . Herbstein , F.H. ( 2000 ) How precise are measurements of unit-cell dimensions from single-crystals . Acta Crystallographica , B56 , 547 – 557 . Krivovichev...
FIGURES | View All (9)
Journal Article
Published: 01 May 2019
European Journal of Mineralogy (2019) 31 (3): 557-564.
...Igor V. Pekov; Natalia V. Zubkova; Vasiliy O. Yapaskurt; Dmitry I. Belakovskiy; Inna S. Lykova; Sergey N. Britvin; Anna G. Turchkova; Dmitry Y. Pushcharovsky The new zeolite-like titanosilicate mineral kamenevite K 2 TiSi 3 O 9 ·H 2 O, isostructural with umbite K 2 ZrSi 3 O 9 ·H 2 O, is found...
FIGURES | View All (4)
Journal Article
Published: 01 May 2018
European Journal of Mineralogy (2018) 30 (3): 525-535.
...Yakov A. Pakhomovsky; Taras L. Panikorovskii; Victor N. Yakovenchuk; Gregory Yu. Ivanyuk; Julia A. Mikhailova; Sergey V. Krivovichev; Vladimir N. Bocharov; Andrei O. Kalashnikov Selivanovaite, NaTi 3 (Ti, Na, Fe, Mn) 4 [(Si 2 O 7 ) 2 O 4 (OH,H 2 O) 4 ]· n H 2 O, is a new titanosilicate...
FIGURES | View All (8)
Journal Article
Published: 01 August 2015
European Journal of Mineralogy (2015) 27 (4): 535-549.
...Inna S. Lykova; Igor V. Pekov; Natalia V. Zubkova; Nikita V. Chukanov; Vasiliy O. Yapaskurt; Nadezhda A. Chervonnaya; Andrey A. Zolotarev Abstract The paper presents the first data on the crystal chemistry of the cation-exchanged forms of layered titanosilicates belonging to the epistolite group...
FIGURES | View All (8)
Journal Article
Published: 01 February 2004
American Mineralogist (2004) 89 (2-3): 314-318.
... structure. Jonesite is a first example of titanosilicate with porous double-layer structure. * E-mail: skrivovi@mail.ru 10 06 2003 26 05 2003 © 2004 American Mineralogist 2004 Within recent few years, titanosilicates and other octahedral-tetrahedral framework materials have...
FIGURES | View All (4)
Journal Article
Published: 01 June 2014
Mineralogical Magazine (2014) 78 (3): 483-496.
...V. N. Yakovenchuk; S. V. Krivovichev; G. Y. Ivanyuk; Ya. A. Pakhomovsky; E. A. Selivanova; E. A. Zhitova; G. O. Kalashnikova; A. A. Zolotarev; J. A. Mikhailova; G. I. Kadyrova Abstract Kihlmanite-(Ce), Ce 2 TiO 2 [SiO 4 ](HCO 3 ) 2 (H 2 O), is a new rare-earth titanosilicate carbonate, closely...
FIGURES | View All (8)
Journal Article
Published: 01 December 2017
Mineralogical Magazine (2017) 81 (6): 1457-1484.
... of TS blocks or of two types of block: the TS block and an I (Intermediate) block that comprises atoms between two TS blocks. Usually, the I block consists of alkali and alkaline-earth cations, H 2 O groups and oxyanions (PO 4 ) 3– , (SO 4 ) 2– and (CO 3 ) 2– .The general formula of the TS block...
FIGURES | View All (7)
Journal Article
Published: 01 January 2000
American Mineralogist (2000) 85 (1): 108-117.
... to one configuration or another. Several studies of alkali-titanosilicate glasses similar to those investigated here ( Yarker et al. 1986 ; Fargin et al. 1994 ; Henderson and Fleet 1995 ) suggested the square pyramid as the dominant [V] Ti geometry. Therefore, we will consider this configuration...
FIGURES | View All (8)
Journal Article
Published: 01 August 2004
The Canadian Mineralogist (2004) 42 (4): 1027-1035.
... ( Pmcn ), penkvilksite 2 O 2. penkvilksite titanosilicate 29 Si and 23 Na MAS NMR polytypism FC LAPW calculations penkvilksite titanosilicate spectres MAS NMR de 29 Si et de 23 Na polytypisme calculs FC LAPW Penkvilksite, Na 4 Ti 2 Si 8 O 22 ·5H 2 O, is named after its...
FIGURES | View All (5)
Journal Article
Published: 01 December 2005
The Canadian Mineralogist (2005) 43 (6): 1921-1958.
... it behaves at high temperatures and pressures. Recent research has brought to light some new findings with important implications for natural melts. These include the observation that the structure is dependent upon the type and size of alkali or alkaline-earth cations incorporated into the glass network...
FIGURES | View All (22)
Journal Article
Published: 01 October 2001
The Canadian Mineralogist (2001) 39 (5): 1275-1294.
... Ti–Si sheets. The AC block of alkali cations can be described in terms of nacaphite-like trimeric clusters; as in nacaphite, these trimeric clusters link along [100] to form an infinite chain. Trimeric clusters of the form [ M ϕ 11–14 ], M = Na, Ca; ϕ: O, OH, F, Cl, are common in a group of alkali...
FIGURES | View All (11)