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pinakiolite

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Journal Article
Published: 01 December 1988
The Canadian Mineralogist (1988) 26 (4): 911–916.
Journal Article
Published: 01 August 1978
The Canadian Mineralogist (1978) 16 (3): 475–485.
Journal Article
Published: 01 October 1974
American Mineralogist (1974) 59 (9-10): 985–1004.
...Paul Brian Moore; Takaharu Araki Abstract Pinakiolite, Mg 2+ 1.68 Mn 2+ 0.09 Mn 3+ 1.00 Al 3+ 0.05 Fe 3+ 0.02 Mn 4+ 0.06 O 2 [BO 3 ], Z = 8, a 21.79(1) Å, b 5.977(5) Å, c 5.341(5) Å, space group C 2/ m , is an ordered derivative of the hulsite structure. JahnTeller distortions of each of the three...
Image
Published: 28 February 2018
Table 8. The differences between the M sites in Sb-rich pinakiolite and pinakiolite. M sites M (3) M (1,2) M (6,7) M (4,45,5) Anions Z Sb-rich pinakiolite Mg,Sb 5+ Mn 3+ Mg 3 Mn 2+ ,Mg O 4 (BO 3 ) 2 4 Pinakiolite Mn 3+ 2 Mg 4 O 4 (BO 3 ) 2 4
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The C-walls in: (a) folvikite and (b) Sb-rich pinakiolite. Blue = Mn3+ dominant and green = (Mn2+ > Mg).
Published: 28 February 2018
Fig. 6. The C-walls in: ( a ) folvikite and ( b ) Sb-rich pinakiolite. Blue = Mn 3+ dominant and green = (Mn 2+ > Mg).
Image
Published: 28 February 2018
Table 9. Comparison of selected properties for folvikite and Sb-rich pinakiolite.   Folvikite Sb-rich pinakiolite Locality Nordmark, Sweden Långban, Sweden Habit striated prisms tabular platy crystals Colour black to reddish brown light olive-green to yellow-brown
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The F-wall in: (a) folvikite and (b) Sb-rich pinakiolite. Yellow = (Mg > Mn2+); green = (Mn2+ > Mg); and orange = Sb5+ dominant.
Published: 28 February 2018
Fig. 5. The F-wall in: ( a ) folvikite and ( b ) Sb-rich pinakiolite. Yellow = (Mg > Mn 2+ ); green = (Mn 2+ > Mg); and orange = Sb 5+ dominant.
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The crystal structure of: (a) folvikite projected down [010]; (b) Sb-rich pinakiolite projected down [0$\bar 1$0]. Legend as in Figs 5, 6; pink circles = B atoms.
Published: 28 February 2018
Fig. 7. The crystal structure of: ( a ) folvikite projected down [010]; ( b ) Sb-rich pinakiolite projected down [0 $\bar 1$ 0]. Legend as in Figs 5 , 6 ; pink circles = B atoms.
Image
The crystal structure of: (a) folvikite projected down [010]; (b) Sb-rich pinakiolite projected down [0$\bar 1$0]. Legend as in Figs 5, 6; pink circles = B atoms.
Published: 28 February 2018
Fig. 7. The crystal structure of: ( a ) folvikite projected down [010]; ( b ) Sb-rich pinakiolite projected down [0 $\bar 1$ 0]. Legend as in Figs 5 , 6 ; pink circles = B atoms.
Journal Article
Published: 28 February 2018
Mineralogical Magazine (2018) 82 (4): 821–836.
...Table 8. The differences between the M sites in Sb-rich pinakiolite and pinakiolite. M sites M (3) M (1,2) M (6,7) M (4,45,5) Anions Z Sb-rich pinakiolite Mg,Sb 5+ Mn 3+ Mg 3 Mn 2+ ,Mg O 4 (BO 3 ) 2 4 Pinakiolite Mn 3+ 2 Mg 4 O 4 (BO 3 ) 2 4 ...
FIGURES | View All (8)
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Various [Mϕ4]-derivative structures projected down the chain axis: (a) descloizite, (b) gladiusite, (c) fredrikssonite, (d) orthopinakiolite, (e) takéuchiite, (f) blatterite, (g) pinakiolite. The ribbons and linking octahedra are shaded black for emphasis.
Published: 01 August 2001
F ig . 5. Various [ M ϕ 4 ]-derivative structures projected down the chain axis: (a) descloizite, (b) gladiusite, (c) fredrikssonite, (d) orthopinakiolite, (e) takéuchiite, (f) blatterite, (g) pinakiolite. The ribbons and linking octahedra are shaded black for emphasis.
Image
Various [Mϕ4]-derivative structures projected down the chain axis: (a) descloizite, (b) gladiusite, (c) fredrikssonite, (d) orthopinakiolite, (e) takéuchiite, (f) blatterite, (g) pinakiolite. The ribbons and linking octahedra are shaded black for emphasis.
Published: 01 August 2001
F ig . 5. Various [ M ϕ 4 ]-derivative structures projected down the chain axis: (a) descloizite, (b) gladiusite, (c) fredrikssonite, (d) orthopinakiolite, (e) takéuchiite, (f) blatterite, (g) pinakiolite. The ribbons and linking octahedra are shaded black for emphasis.
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Selected wallpaper borate structures; (a) fluoborite; (b) warwickite; (c) ludwigite; (d) pinakiolite; (e) karlite; (f) wightmanite; (g) suanite; (h) szaibélyite. Orange: (BO3); green: (MgO6); yellow: (FeO6); turquoise circles: Cl; yellow circles: (H2O).
Published: 01 August 2014
F ig . 6. Selected wallpaper borate structures; ( a ) fluoborite; ( b ) warwickite; ( c ) ludwigite; ( d ) pinakiolite; ( e ) karlite; ( f ) wightmanite; ( g ) suanite; ( h ) szaibélyite. Orange: (BO 3 ); green: (MgO 6 ); yellow: (FeO 6 ); turquoise circles: Cl; yellow circles: (H 2 O).
Journal Article
Published: 01 June 2015
Mineralogical Magazine (2015) 79 (3): 625–634.
...Ulf Hålenius; Ferdinando Bosi Abstract Gatedalite, Zr( Mn 2 2 + Mn 4 3 + )SiO 12 , is a new mineral of the braunite group. It is found in hausmannite-impregnated skarn together with jacobsite, Mn-bearing calcite, tephroite, Mn-bearing phlogopite, långbanite, pinakiolite and oxyplumboroméite...
FIGURES
Journal Article
Journal: Economic Geology
Published: 01 August 1992
Economic Geology (1992) 87 (5): 1275–1300.
... in the mineralized zones and formation of a 1.2-m-wide quartz-fluorapatite-manjiroite vein (9.95 wt % P 2 O 5 ). Samples of manganite and pyrolusite often contain vug fillings and inclusions of rhodochrosite and minor amounts of other hypogene minerals such as knebelite and pinakiolite. Furthermore, these samples...
Journal Article
Published: 01 February 1976
American Mineralogist (1976) 61 (1-2): 116–122.
... that the two-chain sheet, which is more readily flexible than the three-chain sheet, contains tin and ferric iron in one cation site, ferrous iron and magnesium in the other. Hulsite belongs in the family of 3Å fiber-axis wallpaper structures and is a less-ordered version of the pinakiolite structure. Its...
Journal Article
Published: 01 August 1975
American Mineralogist (1975) 60 (7-8): 714–716.
... 12 and pinakiolite, Mg 2 MnBO 5 . 7 2 1975 24 3 1975 Copyright © 1975 by the Mineralogical Society of America 1975 Mineralogical Society of America ...
Journal Article
Published: 01 August 2001
The Canadian Mineralogist (2001) 39 (4): 1121–1130.
...F ig . 5. Various [ M ϕ 4 ]-derivative structures projected down the chain axis: (a) descloizite, (b) gladiusite, (c) fredrikssonite, (d) orthopinakiolite, (e) takéuchiite, (f) blatterite, (g) pinakiolite. The ribbons and linking octahedra are shaded black for emphasis. ...
FIGURES | View All (7)
Journal Article
Published: 08 April 2020
The Canadian Mineralogist (2020) 58 (2): 183–190.
... & Minerals 89 (6) , 542 (abstract). Moore, P.B. & Araki, T. (1974) Pinakiolite, Mg 2 Mn 3+ O 2 [BO 3 ]; warwickite Mg(Mg 0.5 Ti 0.5 )O[BO 3 ]; wightmanite Mg 5 O(OH) 5 [BO 3...
Journal Article
Published: 01 February 2009
The Canadian Mineralogist (2009) 47 (1): 173–180.
...) octahedron in ercitite lies slightly above the correlation of Burns et al. (1994) , as do the M (4) site in fredrikssonite and the M (3) site in pinakiolite ( Moore & Araki 1974 ). These three polyhedra have significant occupancy by Fe 3+ in addition to Mn 3+ , and the curve of Burns et al. (1994...
FIGURES | View All (5)