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makatite

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Journal Article
Published: 01 April 1970
American Mineralogist (1970) 55 (3-4_Part_1): 358–366.
...Richard A. Sheppard; Arthur J. Gude, III; Richard L. Hay Abstract Makatite was found in cores of trona from three drill holes in the Evaporite Series of Lake Magadi, Kenya. The makatite occurs as white spherulites or radiating acicular aggregates that fill or partly fill cavities in coarsely...
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Folded 6 3  sheets of u–d tetrahedra in ( a )  sanbornite  and  kanemite  a...
Published: 01 February 2019
Fig. 12. Folded 6 3 sheets of u–d tetrahedra in ( a ) sanbornite and kanemite and ( b ) makatite ; cross-sections of each sheet show the folding in one direction, and the u–d symbols indicate the different u–d arrangements in each type of sheet.
Journal Article
Published: 01 August 2006
Mineralogical Magazine (2006) 70 (4): 405–418.
..., microcline, apophyllite, sphalerite, analcime, fluorite, villiaumite, hydroxylapatite, galena, makatite, quartz, eudialyte, kanemite, tuperssuatsiaite and korobitsynite. Sazhinite-(La) forms small euhedral crystals up to 1 mm long and 0.4 mm wide, elongated along [001] and flattened on (010), exhibiting...
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Journal Article
Published: 01 August 1977
American Mineralogist (1977) 62 (7-8): 763–771.
.... The innercrystalline reactivity reveals relations to other sodium silicates. Kanemite can be synthesized from NaOH-SiO 2 mixtures or sodium silicate solutions or obtained by alteration of sodium silicates such as Na 2 Si 2 O 5 , makatite (Na 2 Si 4 O 9 · 5H 2 0), and magadiite (Na 2 Si 14 O 29 · 11H 2 0). Copyright...
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[Si  x  O  y  ] complexes in the structures of natural silicates of alkalin...
Published: 01 April 2014
( Garvie et al. , 1999 ), ( f ) makatite ( Annehed et al. , 1982 ), ( g ) silinaite ( Grice, 1991 ), ( e h ) natrosilite ( Pant, 1968 ), ( i ) grumantite ( Yamnova et al. , 1989 ). All tetrahedral layers are given in two projections. H atoms are shown as small black circles.
Journal Article
Published: 01 April 2014
Mineralogical Magazine (2014) 78 (2): 253–265.
... ( Garvie et al. , 1999 ), ( f ) makatite ( Annehed et al. , 1982 ), ( g ) silinaite ( Grice, 1991 ), ( e h ) natrosilite ( Pant, 1968 ), ( i ) grumantite ( Yamnova et al. , 1989 ). All tetrahedral layers are given in two projections. H atoms are shown as small black circles. ...
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Journal Article
Published: 01 April 2000
Clays and Clay Minerals (2000) 48 (2): 224–229.
... and Lagaly, 1977 , 1983 ; Eugster, 1967 ; Fletcher and Bibby, 1987 ; Iler, 1964 ), although it can also be synthesized ( Schwieger et al., 1988 , 1991 ). Magadiite is a member of a family of silicic acids comprising also makatite [the only member whose structure is known ( Annehed et al. , 1982...
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Journal Article
Published: 01 November 2022
American Mineralogist (2022) 107 (11): 2101–2110.
... on research papers dealing with modifications of layered silicates such as kanemite, makatite, octosilicate, and magadiite by ion exchange with organic and inorganic cations, pillaring, silylation of the OH groups and grafting, or introducing of metal nanoparticles. In addition, HLSs can be used as a starting...
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Journal Article
Journal: Clay Minerals
Published: 01 September 2003
Clay Minerals (2003) 38 (3): 259–278.
... environment of Na ions in the interlayer spaces of hydrous layered silicates with empirical formulae Na 2 O·(4–20)SiO 2 · (5–10)H 2 O, makatite, kanemite, octosilicate, magadiite and kenyaite. Highly-resolved 23 Na 3QMAS NMR spectra of makatite, Na 2 Si 4 O 8 (OH) 2 ·4H 2 O, were only obtained when high...
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Journal Article
Journal: Clay Minerals
Published: 01 September 2005
Clay Minerals (2005) 40 (3): 369–378.
... alkyltrimethylammonium cations pillaring Magadiite (Na 2 Si 14 O 29 . n H 2 O) belongs to the family of layered Na silicates which also includes makatite ( Sheppard & Gude, 1970 ), kanemite ( Johan & Maglione, 1972 ), kenyaite ( Eugster, 1967 ) and octosilicate ( Iler, 1964 ). It was first described...
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Journal Article
Published: 01 May 2001
Journal of Sedimentary Research (2001) 71 (3): 436–443.
... , Petrography and diagenesis of cherts from Lake Magadi, Kenya : Journal of Sedimentary Petrology , v. 60 , p. 761 - 776 . Sheppard , R.A. , Gude , A.J. , and Hay , R.L. , 1970 , Makatite, a new hydrous sodium silicate mineral from Lake Magadi, Kenya : American Mineralogist , v. 55 , p...
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Journal Article
Published: 01 September 2019
European Journal of Mineralogy (2019) 31 (5-6): 1025–1032.
... . Annehed , H. , Fälth , L. , Lincoln , F.J. ( 1982 ): Crystal structure of synthetic Makatite Na 2 Si 4 O 8 (OH) 2 (H 2 O) 4 . Z. Kristallogr. , 159 , 203 – 210 . Baur , W.H. , Halwax , E. , Völlenkle , H. ( 1986 ): Comparison of the crystal structures of sodium...
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Journal Article
Journal: Elements
Published: 01 February 2023
Elements (2023) 19 (1): 22–29.
... in Na-carbonate lakes. Three rare Na-silicate minerals were first characterized in Lake Magadi: magadiite [Na 2 Si 14 O 28 (OH) 2 ∙8H 2 O], kenya ite [Na 2 Si 22 O 41 (OH) 8 ∙6H 2 O], and makatite [Na 2 Si 4 O 8 (OH) 2 ∙4H 2 O]. New minerals can provide inspiration for materials science. For example...
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Journal Article
Published: 01 January 2001
European Journal of Mineralogy (2001) 13 (1): 113–119.
... ): Paulingite: variations in composition . Am. Mineral ., 67 , 799 – 803 . Walenta , K. , Zwiener , M. , Telle , R. ( 1981 ): Seltene Mineralien aus dem Nephelinit-Steinbruch am Höwenegg im Hegau: Makatit und Paulingit . Der Aufschluss , 32 , 130 – 134 . ...
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Plane nets and their associated structures.         Single Nets  Minerals  ...
Published: 01 February 2019
, martinite, cairncrossite, natrosilite, kanemite, sanbornite, makatite, pentagonite, silinaite, plumbophyllite, palygorskite, tuperssuatsiaite, windhoekite, yofortierite, raite, kalifersite, sepiolite, loughlinite, antigorite 4.8 2 datolite, gadolinite-(Ce), gadolinite-(Y), hingganite-(Ce), hingganite
Journal Article
Published: 01 February 2019
Mineralogical Magazine (2019) 83 (1): 3–55.
...Fig. 12. Folded 6 3 sheets of u–d tetrahedra in ( a ) sanbornite and kanemite and ( b ) makatite ; cross-sections of each sheet show the folding in one direction, and the u–d symbols indicate the different u–d arrangements in each type of sheet. ...
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Journal Article
Published: 01 December 2013
Clays and Clay Minerals (2013) 61 (6): 525–531.
... and the maximum yield of ~45% was not reached until after 96 h. Magadiite (Na 2 Si 14 O 29 · x H 2 O) belongs to the family of hydrous sodium silicate minerals which also includes kanemite, makatite, kenyaite, and octosilicate ( Almond et al. , 1997 ; Huang et al. , 1999 ). Magadiite was first described...
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Journal Article
Published: 01 February 2013
Clays and Clay Minerals (2013) 61 (1): 26–33.
... Magadiite (Na 2 Si 14 O 29 · x H 2 O) belongs to the family of layered Na silicates which includes makatite, kanemite, kenyaite, and octosilicate. It was first described by Eugster (1967) who found it, together with kenyaite, in lake beds at Lake Magadi, Kenya. Recent studies of magadiite have focused...
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Journal Article
Published: 01 January 2012
Reviews in Mineralogy and Geochemistry (2012) 74 (1): 279–364.
... to integers. calcic gels (‘CSH’) intermediate alkali gels mineral riversideite tobermorite plombierite zeophyllite afwillite okenite nekoite mountainite gyrolite fedorite kenyaite magadiite makatite kanemite revdite atoms [apfu]  H + — — 2...
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Journal Article
Published: 01 June 2010
The Canadian Mineralogist (2010) 48 (3): 661–671.
..., tuperssuatsiaite, natrolite, analcime, manganoneptunite, apophyllite-(KF), fluorite, and makatite. An extensive list of the known minerals within the Aris quarries has been given by Sturla et al. (2005) . A detailed study of the mineralogy and paragenesis of these miarolitic cavities by the senior author...
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