1-20 OF 20 RESULTS FOR

creedite

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 October 1952
American Mineralogist (1952) 37 (9-10): 785–790.
...Michael Fleischer Abstract Optical and x -ray data, crystal form, and differential thermal analyses suggest that belyankite (Dorfman, 1950) is creedite and that the analysis of belyankite is incorrect. * Publication authorized by the Director, U. S. Geological Survey. 12 3 1952...
Journal Article
Published: 01 February 1932
American Mineralogist (1932) 17 (2): 75–77.
...William F. Foshag Abstract The mineral creedite was first found by Esper S. Larsen in the fluorite mines of Wagon Wheel Gap, Creede Quadrangle, Colorado, and described by Larsen 2 and Wells as a new mineral species of the composition CaSO 4 · 2CaF 2 · 2A1(F,0H) 3 · 2H 2 0. Later, better material...
Image
The structure of  <b>creedite</b>  showing (a) rows of [Al 2 F 8 (OH) 2 ] dimers o...
Published: 11 May 2021
Fig. 27. The structure of creedite showing (a) rows of [Al 2 F 8 (OH) 2 ] dimers orthogonal to a and (b) arranged in sheets held together by hydrogen bonds from (OH) – groups of the dimers to (SO 4 ) groups.
Image
Selected clusters from sulfate structures; ( a ) <b>creedite</b>; ( b ) minasragri...
Published: 01 August 2014
F ig . 28. Selected clusters from sulfate structures; ( a ) creedite; ( b ) minasragrite; ( c ) bloedite; ( d ) roemerite; ( e ) ungemachite; ( f ) rozenite; ( g ) coquimbite; ( h ) metavoltine. Salmon pink = (Sφ 4 ); yellow = ( M φ 6 ) ( M = tetra-, tri- or di-valent cation).
Image
(a) The cluster of four (CaØ 7 ) polyhedra and (AlF 6 ) octahedra in chukhr...
Published: 01 January 2000
of (CaØ 8 ) polyhedra in ettringite and fleischerite; the columns are (g) isolated in the minerals of the ettringite group, and (h) linked into a framework in the minerals of the fleischerite group. (i) the structure of creedite with Ca atoms shown as circles; (j) polyhedral view of the structure
Image
(a) The cluster of four (CaØ 7 ) polyhedra and (AlF 6 ) octahedra in chukhr...
Published: 01 January 2000
of (CaØ 8 ) polyhedra in ettringite and fleischerite; the columns are (g) isolated in the minerals of the ettringite group, and (h) linked into a framework in the minerals of the fleischerite group. (i) the structure of creedite with Ca atoms shown as circles; (j) polyhedral view of the structure
Journal Article
Published: 01 January 2019
European Journal of Mineralogy (2019) 31 (1): 153–158.
...Italo Campostrini; Francesco Demartin; Massimo Russo The new mineral sbacchiite (IMA 2017-097), Ca 2 AlF 7 , was found in a fossil fumarole (1944 eruption, T ≈ 80 °C) at the rim of the crater of the Vesuvius volcano, Napoli, Italy, associated with gearsksutite, usovite, creedite and opal. It forms...
FIGURES | View All (6)
Journal Article
Published: 01 January 2000
American Mineralogist (2000) 85 (1): 231–235.
... of prosopite . Atti dell’Accademia Nazionale dei Lincei, Classes di Scienze Fisiche, Matematiche e Naturali, Rendiconti , 47 , 55 – 68 . Giuseppetti , G. and Tadini , C. ( 1983 ) Structural analysis and refinement of Bolivian creedite, Ca 3 Al 2 F 8 (OH) 2 (SO 4 )·2H 2 O. The role...
FIGURES
Journal Article
Published: 01 June 2008
The Canadian Mineralogist (2008) 46 (3): 693–700.
... of prosopite . Atti Accad. Naz. Lincei, Cl. Sci. Fis. Mat. Natur. Rend . 47 , 55 – 68 . Giuseppetti , G. & Tadini , C. ( 1983 ): Structural analysis and refinement of Bolivian creedite, Ca 3 Al 2 F 8 (OH) 2 (SO 4 ) · 2H 2 O. The role of the hydrogen atoms . Neues Jahrb. Mineral...
FIGURES | View All (5)
Journal Article
Published: 01 February 2013
The Canadian Mineralogist (2013) 51 (1): 107–117.
... (H 2 O) 14 wilcoxite, MgAl(SO 4 ) 2 F(H 2 O) 17 With water and OH – creedite, Ca 3 Al 2 (SO 4 F 8 (OH) 2 (H 2 O) 2 The sample of wilcoxite was collected in October of 2009 from the side of a timber crib, used in the past to load ore, east of Rico Colorado (N37 42.023...
FIGURES | View All (10)
Journal Article
Published: 01 January 2007
American Mineralogist (2007) 92 (1): 1–18.
..., creedite, ferricopiapite, glauberite, gypsum, hanksite, hexahydrite, jarosite, kainite, kieserite, linarite, minamiite, natrojarosite, pickeringite, plumbojarosite, polyhalite, potassium alum (potash alum; kalinite), rozenite, serpierite, sulfohalite, szomolnokite, thaumasite, thenardite...
FIGURES | View All (6)
Journal Article
Published: 30 June 2020
Mineralogical Magazine (2020) 84 (4): 540–546.
.... , 2016 ). In addition, two bands at 3524 and 3584 cm –1 were observed for OH units occurring in the crystal structure of creedite, Ca 3 Al 2 (SO 4 )(OH) 2 F 8 ⋅2H 2 O, by Frost et al . ( 2013a ). Finally, as is discussed below, the possible occurrence of an OH group in khademite may be related...
FIGURES | View All (4)
Journal Article
Published: 11 May 2021
The Canadian Mineralogist (2021) 59 (1): 211–241.
...Fig. 27. The structure of creedite showing (a) rows of [Al 2 F 8 (OH) 2 ] dimers orthogonal to a and (b) arranged in sheets held together by hydrogen bonds from (OH) – groups of the dimers to (SO 4 ) groups. ...
FIGURES | View All (35)
Journal Article
Published: 01 January 2000
Reviews in Mineralogy and Geochemistry (2000) 40 (1): 1–112.
... of (CaØ 8 ) polyhedra in ettringite and fleischerite; the columns are (g) isolated in the minerals of the ettringite group, and (h) linked into a framework in the minerals of the fleischerite group. (i) the structure of creedite with Ca atoms shown as circles; (j) polyhedral view of the structure...
FIGURES | View All (76)
Journal Article
Published: 01 October 2012
European Journal of Mineralogy (2012) 24 (6): 1069–1076.
... mineral species. Chukhrovite-(Y), Ca 3 (Y,Ce)Al 2 (SO 4 )F 13 ·12H 2 O, was discovered in 1950 in the oxidized zone of the Kara-Oba tungsten deposit (Kazakhstan), and described as colourless to white cubo-octahedral crystals up to 1 cm diameter, associated with halloysite, gearksutite, fluorite, creedite...
FIGURES | View All (5)
Journal Article
Published: 01 October 2007
The Canadian Mineralogist (2007) 45 (5): 1307–1324.
..., chukhrovite-(Ce), chukhrovite-(Y), creedite, efremovite, fibroferrite, grandreefite, hydronium jarosite, jarosite, johannite, khademite, ktenasite, mammothite, metasideronatrite, misenite, mooreite, natrojarosite, nickelblödite, piypite, plumbojarosite, posnjakite, redgillite, schairerite, schulenbergite...
Journal Article
Published: 01 February 2009
Mineralogical Magazine (2009) 73 (1): 27–42.
... concentric zones together with gypsum ( Fig. 6 c ). Although minerals such as creedite (Ca 3 Al 2 SO 4 (F,OH) 10 ·2H 2 O), delhayelite ((Na,K) 10 Ca 5 Al 6 Si 32 O 80 (Cl 2 ,F 2 ,SO 4 ) 3 ·18H 2 O), gearksutite (CaAlF 4 OH·H 2 O) and prosopite (CaAl 2 (F,OH) 8 ) (amongst others) have approximately similar...
FIGURES | View All (8)
Journal Article
Published: 01 August 2014
Mineralogical Magazine (2014) 78 (4): 957–1027.
...F ig . 28. Selected clusters from sulfate structures; ( a ) creedite; ( b ) minasragrite; ( c ) bloedite; ( d ) roemerite; ( e ) ungemachite; ( f ) rozenite; ( g ) coquimbite; ( h ) metavoltine. Salmon pink = (Sφ 4 ); yellow = ( M φ 6 ) ( M = tetra-, tri- or di-valent cation). ...
FIGURES | View All (48)
Journal Article
Published: 01 October 2020
American Mineralogist (2020) 105 (10): 1598–1605.
Journal Article
Published: 01 February 2008
European Journal of Mineralogy (2008) 20 (1): 73–94.
FIGURES | View All (13)