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potassic-mangani-leakeite

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Journal Article
Published: 01 March 2017
European Journal of Mineralogy (2017) 29 (1): 143–148.
...Rosa Micaela Danisi; Thomas Armbruster Abstract New crystallographic data for holotype potassic-mangani-leakeite, with the ideal composition KNa 2 (Mg 2 Mn 3+ 2 Li) [Si 8 O 22 ](OH) 2 , are presented. This end-member of the amphibole supergroup was formerly reported as “kornite” by Armbruster et al...
FIGURES
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Microscopic thin section ( ca . 0.3 mm in width) showing the typical assemb...
Published: 01 March 2017
Fig. 1 Microscopic thin section ( ca . 0.3 mm in width) showing the typical assemblage of the holotype material of hennomartinite and “kornite” = potassic-mangani-leakeite from the Wessels Mine, Kalahari Manganese Field, South Africa. The bulky light crystals at the rim are sugilite (Online
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Polyhedral model of the amphibole structure projected on (100). In the pota...
Published: 01 March 2017
Fig. 2 Polyhedral model of the amphibole structure projected on (100). In the potassic-mangani-leakeite structure of crystal no. 1 the A site is dominated by K with additional Na and possibly minor vacancies, the M (4) site is occupied by Na. M (1) is Mg rich with additional Mn, M (2
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List of new minerals discovered in the Kalahari Manganese Field.         IM...
Published: 26 February 2019
Lavinskyite K(LiCu)Cu 6 (Si 4 O 11 ) 2 (OH) 4 Pcnb Yang et al. ( 2014 ) 2012–060 Colinowensite BaCuSi 2 O 6 I 4 1 / acd Rieck et al. ( 2015 ) 2012–096 Diegogattaite Na 2 CaCu 2 Si 8 O 20 ·H 2 O C 2/ m Rumsey et al. ( 2013 ) 2012 s.p. Potassic-mangani-leakeite** KNa 2 (Mg,Mn
Journal Article
Published: 01 October 2016
Mineralogical Magazine (2016) 80 (6): 1013–1021.
... of unit-cell parameters and optical properties for published compositions of the amphibole supergroup which are crystal-chemically related to oxo-mangani-leakeite. potassic-mangani-leakeite oxo-mangani-leakeite mangani-dellaventuraite mangano-mangani-ungarettiite a (Å) 9.94...
FIGURES
Journal Article
Published: 01 June 2017
Mineralogical Magazine (2017) 81 (3): 707–722.
...Roberta Oberti; Giancarlo Della Ventura; Massimo Boiocchi; Alberto Zanetti; Frank C. Hawthorne Abstract New chemical (EMP, SIMS) and structural data are reported for a suite of crystals of oxo-mangani-leakeite and mangano-mangani-ungarettiite from their common type locality, the Hoskins mine (New...
FIGURES
Journal Article
Published: 10 August 2023
Mineralogical Magazine (2023) 87 (6): 935–942.
.... ‘Mangani-amphiboles’ i.e. those having Mn 3+ as a dominant component amongst trivalent cations in C positions, are rare. Mangani-eckermannite is the seventh member of the amphibole supergroup with Mn 3+ as a species-defining cation, after potassic-mangani-leakeite KNa 2 (Mg 2 Mn 3+ 2 Li)Si 8 O 22 (OH) 2...
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Journal Article
Published: 01 October 2007
Reviews in Mineralogy and Geochemistry (2007) 67 (1): 55–88.
... Li) Si 8 O 22 (OH) 2 Ferroleakeite Ferro-leakeite Ferro-ferri-leakeite Na Na 2 (Mg 2 Mn 3+ 2 Li) Si 8 O 22 (OH) 2 Sodic-kornite Kornite Mangani-leakeite K Na 2 (Mg 2 Mn 3+ 2 Li) Si 8 O 22 (OH) 2 Kornite Potassic-kornite Potassic-kornite Na Na 2 (Mg 3 Fe 3+ 2 ) Si...
FIGURES | View All (14)
Journal Article
Published: 01 June 2017
Mineralogical Magazine (2017) 81 (3): 641–651.
... solely at the M (1) site. Although a prevalent order of C R 3,4+ cations related to deprotonation has been observed recently in other oxo-amphiboles ( cf . oxo-mangani-leakeite, Oberti et al ., 2016 a and synthetic ‘oxo-ferro-richterite’, Oberti et al ., 2016 b ), this is a further peculiarity...
FIGURES
Journal Article
Published: 01 February 2006
The Canadian Mineralogist (2006) 44 (1): 1–21.
... order prefixes (where more than one is used) must be attached to the root-name. Their sequence is proto-parvo (magno)-fluoro (chloro)-potassic (sodic)-ferri (alumino, mangani)-ferro(mangano, magnesio). We propose a different sequence, which follows the order of the amphibole formula itself: A B 2 C...
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Journal Article
Published: 02 July 2018
Mineralogical Magazine (2019) 83 (3): 465–472.
..., in intermediate and acid rocks (syenites and granitoids), fenites (product of alkaline metasomatism), or metasomatically altered rocks. Potassium-bearing sodium amphiboles are not common, and mainly belong to the arfvedsonite and leakeite compositional spaces. Both potassic-ferri-leakeite and potassic-mangani...
FIGURES
Journal Article
Published: 26 February 2019
Mineralogical Magazine (2019) 83 (5): 645–654.
... Lavinskyite K(LiCu)Cu 6 (Si 4 O 11 ) 2 (OH) 4 Pcnb Yang et al. ( 2014 ) 2012–060 Colinowensite BaCuSi 2 O 6 I 4 1 / acd Rieck et al. ( 2015 ) 2012–096 Diegogattaite Na 2 CaCu 2 Si 8 O 20 ·H 2 O C 2/ m Rumsey et al. ( 2013 ) 2012 s.p. Potassic-mangani-leakeite** KNa 2 (Mg,Mn...
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Journal Article
Published: 01 November 2012
American Mineralogist (2012) 97 (11-12): 2031–2048.
..., C Fe 2+ Mangani C Mn 3+ > C Al, C Cr, C Fe 3+ Amphiboles that do not contain trivalent cations in their root formulae * Oxo W O 2− > OH + F + Cl Oxo-amphiboles where Ti = 1 apfu in the root formula ‡ , plus ungarettiite Potassic A K > A Na, A Ca...
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Journal Article
Journal: Elements
Published: 01 August 2020
Elements (2020) 16 (4): 235–240.
... field, a more distant source has been inferred for the Wessels event (1,010 Ma), when sugilite, norrishite, and potassicmangani-leakeite formed in calc-silicate bodies that are the products of metasomatism of manganese ore by hydrothermal fluids introduced along faults. The fluids are interpreted...
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Journal Article
Published: 01 July 2022
American Mineralogist (2022) 107 (7): 1288–1301.
...-ferri-fluoro-leakeite Potassic-ferri-leakeite Oxo-mangani-leakeite Mangani-dellaventuraite 7 4 Lepidolite (K,Cs,Rb)(☐,Li,Mg,Mn,Fe,Al,Ti) 3 (Al,Si) 4 O 10 (F,OH,O) 2 Fluorluanshiweiite Garmite Orlovite Polylithionite Voloshinite 11 3 Mayenite Ca 12 (Al,Fe 3+ ,Si) 14 O 32 (H 2 O,F,Cl) 6...
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References     Abraham ,  K.  ,   Gebert ,  W.  ,   Medenbach ,  O.  ,   Sc...
Published: 01 June 2017
-magnesio-arfvedsonite from Monte Metocha, Xixano region, Mozambique, and discussion of the holotype from Quebec, Canada . Mineralogical Magazine , 76 , 951 – 960 . Oberti , R. , Boiocchi , M. , Hawthorne , F.C. , Ball , N.A. and Ashley P.M. ( 2016 a ) Oxo-mangani-leakeite
Journal Article
Published: 01 May 2018
European Journal of Mineralogy (2018) 30 (3): 437–449.
.... , Boiocchi , M. , Zanetti , A. & Hawthorne , F.C. ( 2017 ): New data on the crystal-chemistry of oxo-mangani-leakeite and mangano-mangani-ungarettiite from the Hoskins mine and their impossible solid-solution − An XRD and FTIR study . Min. Mag. , 81 , 707 − 722 . Phillips...
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Journal Article
Published: 28 February 2018
Mineralogical Magazine (2018) 82 (4): 837–852.
... and the Geochemical Society, Chantilly, Virginia , USA . Oberti , R. , Della Ventura , G. , Boiocchi , M. , Zanetti , A. and Hawthorne , F.C. ( 2017 ) The crystal chemistry of oxo-mangani-leakeite and mangano-mangani-ungarettiite from the Hoskins mine and their apparent but impossible...
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References     Ashley ,  P.M.   ( 1986 )  An unusual manganese silicate occ...
Published: 01 June 2017
a ) Oxo-mangani-leakeite from the Hoskins mine, New South Wales, Australia: occurrence and mineral description . Mineralogical Magazine , 80 , 1013 – 1021 , https://doi.org/10.1180/minmag.2016.080.037 Oberti , R. , Boiocchi , M. , Zema , M. and Della Ventura , G. ( 2016 b
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References     Ashley ,  P.M.   ( 1986 )  An unusual manganese silicate occ...
Published: 01 June 2017
a ) Oxo-mangani-leakeite from the Hoskins mine, New South Wales, Australia: occurrence and mineral description . Mineralogical Magazine , 80 , 1013 – 1021 , https://doi.org/10.1180/minmag.2016.080.037 Oberti , R. , Boiocchi , M. , Zema , M. and Della Ventura , G. ( 2016 b