1-20 OF 76 RESULTS FOR

johannite

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 1955
American Mineralogist (1955) 40 (11-12): 1131–1132.
...J. D. H. Donnay Abstract The pseudo-monoclinic cell of johannite Cu(UO 2 ) 2 (SO 4 )2(OH) 2 · 6H 2 O (Peacock, 1935), with morphological axial elements a : b : c = 0.9182 : 1 : 0.3799 , α = 90 ° 54 1 2 ' , β = 90 ° 38 ' , γ = 110 ° 37 ' , is all-face-centered ( F ). The cell obtained from...
Journal Article
Published: 01 August 1950
American Mineralogist (1950) 35 (7-8): 531–535.
...Cornelius S. Hurlbut, Jr. Abstract X -ray Weissenberg study of johannite gave the following dimensions for the triclinic face-centered cell corresponding to the pseudo-monoclinic morphological cell of Peacock (1935): a 0 = 16.51 kX, b 0 = 17.98, c 0 =6.83 with α=90°54′, β=90°38′, γ=110°37′ (from...
Journal Article
Published: 01 January 1926
American Mineralogist (1926) 11 (1): 1–5.
...Esper S. Larsen; Harry Berman Abstract In 1917 Larsen and Brown 1 described a hydrous uranium sulfate with some copper, iron and soda, from Gilpin County, Colo., and Cornwall, England. The chemical analysis of this mineral was different from that of johannite and other described uranium minerals...
Image
Spectra of uranyl sulfate minerals <span class="search-highlight">johannite</span>, marecottite, and uranopilite ...
Published: 01 December 2023
Figure 1. Spectra of uranyl sulfate minerals johannite, marecottite, and uranopilite ( a ) as downloaded from the RRUFF database, ( b ) following linear interpolation, and ( c ) following intensity normalization. (Color online.)
Image
Sheets in the structures of <span class="search-highlight">johannite</span>, plášilite, deliensite and feynmanite...
Published: 01 April 2019
Fig. 5. Sheets in the structures of johannite, plášilite, deliensite and feynmanite. The unit cells are shown by dashed lines. For plášilite, H atoms are shown as white spheres and O–H bonds are shown as sticks. H atom positions were not determined in the other structures.
Image
The uranyl sulfate sheets in greenlizardite, <span class="search-highlight">johannite</span>, plášilite and delie...
Published: 01 April 2018
Fig. 4. The uranyl sulfate sheets in greenlizardite, johannite, plášilite and deliensite. UO 7 bipyramids are blue and SO 4 tetrahedra are yellow. Note the differing orientations of SO 4 tetrahedra.
Image
( a ) Crystal structure of <span class="search-highlight">johannite</span> after Mereiter ( 1982 ); uranyl sulfat...
Published: 01 December 2012
F ig . 13. ( a ) Crystal structure of johannite after Mereiter ( 1982 ); uranyl sulfate sheets are separated by an interlayer containing distorted copper octahedra (green). ( b ) Crystal structure of synthetic Sr[(UO 2 ) 2 (CrO 4 ) 2 (OH) 2 ](H 2 O) 8 after Serezhkin et al. ( 1982 ); Sr-based
Image
( a ) Phosphuranylite group minerals investigated in this work. Horizontal ...
Published: 01 February 2024
Figure 5. ( a ) Phosphuranylite group minerals investigated in this work. Horizontal field of view for all sample photographs is 450 µm. ( b ) The phosphuranylite anion topology as seen in johannite.
Image
The uranyl-sulfate sheets in the structures of greenlizardite, plášilite, d...
Published: 01 September 2018
Fig. 5 The uranyl-sulfate sheets in the structures of greenlizardite, plášilite, deliensite, johannite and meitnerite. (Online version in colour)
Journal Article
Published: 01 December 1952
American Mineralogist (1952) 37 (11-12): 950–959.
...Clifford Frondel Abstract The status of the many natural uranium sulfates that have been reported is reviewed. Only three appear to be valid species: uranopilite, zippeite and johannite. New optical, chemical and dehydration data are given for uranopilite together with x -ray powder data...
Journal Article
Published: 01 June 1917
American Mineralogist (1917) 2 (6): 75–79.
...Esper S. Larsen; Glenn V. Brown Abstract In seeking for johannite and uranopilite for optical study one of the authors (E. S. L.) found in many of the museums specimens of a crystalline mineral from Gilpin County, Colo. The specimens were labeled johannite in some museums, and uranopilite in others...
Image
Melt inclusions containing fine-crystalline aggregate of solid phases. Rama...
Published: 01 January 2011
Fig. 17. Melt inclusions containing fine-crystalline aggregate of solid phases. Raman spectra of crystalline phases identified as billietite, probably with johannite and saléeite admixtures.
Image
(a) The polyhedral sheet in schröckingerite; (b) the arrangement of sheets...
Published: 01 January 2000
Figure 49. (a) The polyhedral sheet in schröckingerite; (b) the arrangement of sheets in the structure of schröckingerite; (c,d,e,f) the sheets of {(UO 2 )O 5 } pentagonal bipyramids and (SO 4 ) tetrahedra and the structures of (c,d) johannite and (e,f) zippeite.
Image
Comparison of the stacking and interlayer topology in the crystal structure...
Published: 01 May 2006
F igure 5. Comparison of the stacking and interlayer topology in the crystal structures of magnesium-zippeite ( Spitsyn et al. 1982 ; Brugger et al. 2003 ), SZIPPMg ( Burns et al. 2003 ), marécottite ( Brugger et al. 2003 ), and johannite ( Mereiter 1982 ) with pseudojohannite.
Journal Article
Published: 01 April 2019
Mineralogical Magazine (2019) 83 (2): 153–160.
...Fig. 5. Sheets in the structures of johannite, plášilite, deliensite and feynmanite. The unit cells are shown by dashed lines. For plášilite, H atoms are shown as white spheres and O–H bonds are shown as sticks. H atom positions were not determined in the other structures. ...
FIGURES | View All (6)
Journal Article
Published: 01 December 2018
Mineralogical Magazine (2018) 82 (6): 1261–1275.
... Juan County, Utah, USA. It occurs with natrozippeite, brochantite, devilline, posnjakite, johannite, gypsum, bobcookite, pickeringite, pentahydrite and the NH 4 -analogue of zippeite: ammoniozippeite. Redcanyonite occurs as radial aggregates of red–orange needles and blades individually reaching up...
FIGURES | View All (8)
Journal Article
Published: 01 October 2017
Mineralogical Magazine (2017) 81 (5): 1039–1050.
..., Utah, USA, in areas with abundant andersonite, natrozippeite, gypsum, anhydrite, and probable hydromagnesite along with other secondary uranium minerals bayleyite, čejkaite and johannite. The new mineral occurs as aggregates of pale yellow bladed crystals flattened on {001} and elongated along [010...
FIGURES | View All (8)
Journal Article
Published: 01 June 2015
Mineralogical Magazine (2015) 79 (3): 695–714.
... together as secondary alteration phases in association with boyleite, chalcanthite, dietrichite, gypsum, hexahydrite, johannite, pickeringite and rozenite. Bobcookite descriptive details: lime green to greenish-yellow massive veins and columnar crystals; transparent; vitreous lustre; bright greenish-white...
FIGURES | View All (9)
Journal Article
Published: 01 October 2013
Mineralogical Magazine (2013) 77 (7): 2975–2988.
... Nicolas Meisser. The new mineral was found in a sandstone matrix and is associated with chalcanthite, copiapite, ferrinatrite, gypsum, johannite and another new Na-bearing uranyl sulfate, belakovskiite (IMA2013-075). Meisserite is a secondary mineral formed by the post-mining weathering of uraninite...
FIGURES
Journal Article
Published: 01 April 2013
Mineralogical Magazine (2013) 77 (3): 367–383.
...–059), ideally Na 2 Co(SO 4 ) 2 ·4H 2 O, the Mn-dominant and Co-dominant analogues of blödite, respectively, were found at the Blue Lizard mine, San Juan County, Utah, USA. They are closely associated with blödite (Mn-Co-Ni-bearing), chalcanthite, gypsum, sideronatrite, johannite, quartz and feldspar...
FIGURES | View All (7)