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Langban

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Journal Article
Published: 27 July 2019
European Journal of Mineralogy (2019)
... The new mineral species hydroxylhedyphane, ideally Ca 2 Pb 3 (AsO 4 ) 3 (OH), has been discovered in the Långban Fe–Mn–(Ba–As–Pb–Sb) deposit, Filipstad district, Värmland, Sweden. It occurs as colourless prismatic crystals, up to 2.5 cm in length, forming an oriented intergrowth with a serpentine...
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Journal Article
Published: 01 May 2019
European Journal of Mineralogy (2019) 31 (3): 565-574.
...Dan Holtstam; Fernando Cámara; Henrik Skogby; Andreas Karlsson Hjalmarite, ideally A Na B (NaMn) C Mg 5 T Si 8 O 22 W (OH) 2 , is a new root-name member of the amphibole supergroup, discovered in skarn from the Långban Fe–Mn–(Ba–As–Pb–Sb–Be–B) deposit, Filipstad, Värmland, Sweden (IMA-CNMNC 2017...
FIGURES
Journal Article
Published: 01 August 2017
Mineralogical Magazine (2017) 81 (4): 841-855.
...Mark A. Cooper; Frank C. Hawthorne; Jörgen Langhof; Ulf Hålenius; Dan Holtstam Abstract Wiklundite, ideally Pb 2 [4] (Mn 2+ ,Zn) 3 (Fe 3+ ,Mn 2+ ) 2 (Mn 2+ ,Mg) 19 (As 3+ O 3 ) 2 [(Si,As 5+ )O 4 ] 6 (OH) 18 Cl 6 , is a new arseno-silicate mineral from Långban, Filipstad, Värmland, Sweden. Both...
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Journal Article
Published: 01 June 2015
Mineralogical Magazine (2015) 79 (3): 625-634.
... at the Långban Mn-Fe oxide deposit, Värmland, central Sweden. The mineral occurs as very rare, small (⩽60 μm), grey, submetallic, irregularly rounded anhedral grains. Gatedalite has a calculated density of 4.783 g/cm 3 . It is opaque and weakly anisotropic with reflectivity in air varying between 17.1 and 20.8...
FIGURES
Journal Article
Published: 01 October 2012
American Mineralogist (2012) 97 (10): 1627-1634.
...Lee A. Groat; R. James Evans Abstract Red vesuvianite crystals occur with hausmanite and calcite in a hand specimen from Långban, Sweden. Backscattered electron imaging revealed that a very few of the vesuvianite crystals exhibit cores of higher average atomic number (vesuvianite I) than the bulk...
FIGURES
Journal Article
Published: 01 October 2012
American Mineralogist (2012) 97 (10): 1635-1640.
... crystallize. The wide range of chemical compositions encountered in these amphiboles suggests that this is the most flexible of the six known amphibole structure-types. In a recent report on an unusual Mn 3+ - and Pb-bearing pargasite from the famous Långban deposit ( Jonsson and Hålenius 2010...
FIGURES
Journal Article
Published: 01 June 1998
Mineralogical Magazine (1998) 62 (3): 333-339.
Journal Article
Published: 01 June 1998
Mineralogical Magazine (1998) 62 (3): 395-407.
Journal Article
Published: 01 August 1997
European Journal of Mineralogy (1997) 9 (4): 843-848.
Journal Article
Published: 01 June 1996
American Mineralogist (1996) 81 (5-6): 743-753.
... Hyttsjön, which is a lake situated west of the Långban mines. The average analysis is SiO 2 26.38, Al 2 O 3 0.02, Fe 2 O 3 2.77, CaO 4.35, MnO 2.00, PbO 58.13, BaO 4.65, Cl 0.65, H 2 O (calc) 1.58, O = Cl -0.15, total 100.40 wt%. Hyttsjoite grains are mostly 0.1-0.6 mm across, subequant to skeletal...
Journal Article
Published: 01 June 1994
Mineralogical Magazine (1994) 58 (2): 285-297.
Journal Article
Published: 01 June 1991
The Canadian Mineralogist (1991) 29 (2): 347-354.
Journal Article
Published: 01 April 1988
American Mineralogist (1988) 73 (3-4): 405-412.
... with the cell parameters, indicate that ingersonite is isotypic with pyrochlore and romeite. Ingersonite occurs as irregular aggregates of subhedral crystals with calcite, clinohumite?, jacobsite, and an unnamed mineral at the Långban mine, Värmland, Sweden. It is transparent to translucent, has a vitreous...
Journal Article
Published: 01 April 1988
American Mineralogist (1988) 73 (3-4): 413-419.
...Pete J. Dunn; Donald R. Peacor; Alan J. Criddle; Chris J. Stanley Abstract Filipstadite, ( Mn , Mg ) 2 ( Sb 0.5 5+ Fe 0.5 3+ ) O 4 is a new mineral, related to spinel, from Långban, Värmland, Sweden. Filipstadite is orthorhombic, pseudocubic, with A = 8.640 Å for its cubic subcell. The strongest...
Journal Article
Published: 01 August 1986
American Mineralogist (1986) 71 (7-8): 1034-1036.
...Pete J. Dunn; Donald R. Peacor; B. Darko Sturman; Frederick J. Wicks Abstract Rouseite, ideally Pb 2 Mn(AsO 3 ) 2 ·2H 2 O, is a new mineral species found associated with trigonite and finnemanite from Långban, Värmland, Sweden. Rouseite is triclinic, space group P 1 or P 1 , with a = 6.36(2), b...
Journal Article
Published: 01 August 1985
American Mineralogist (1985) 70 (7-8): 845-848.
... , with a = 13.569(5), b = 20.085(4), c = 7.463(4)Å, β = 105.75(5)°, V = 1958(2)Å 3 , and Z = 2. Freedite is greenish-yellow, with vitreous luster, {100} cleavage, and a specific gravity of 7.0 g/cm 3 (obs). It is found associated with ecdemite, lead, copper, finnemanite, and calcite at the Långban Mine, Värmland...
Journal Article
Published: 01 October 1984
American Mineralogist (1984) 69 (9-10): 920-927.
... in hedyphane is attributed to a preference by atoms with sterically active electron lone pairs, e.g., Pb(II), for the asymmetrically coordinated 6 h site. A study of minerals in the solid solution series Ca x Pb 5−x (AsO 4 ) 3 Cl from Långban, Sweden, and Franklin, New Jersey, reveals a lack of compositions...
Journal Article
Published: 01 December 1980
American Mineralogist (1980) 65 (11-12): 1130-1133.
...Jan-Olov Bovin; M. O'Keeffe Abstract Takéuchiite, Mg 1.59 Mn 0.42 2 + Mn 0.78 3 + Fe 0.19 3 + Ti 0.01 4 + BO 5 , occurs as acicular crystals in granular dolomite and calcite from the Långban mine, Värmland, Sweden. It is orthorhombic, space group Pnnm or Pnn2 with a = 27.50(1), b = 12.614(2), c...
Journal Article
Published: 01 June 1980
American Mineralogist (1980) 65 (5-6): 506-508.
...P. J. Dunn; R. C. Rouse Abstract Sundiusite, Pb 10 (SO 4 Cl 2 O 8 , is a new mineral from Långban, Sweden. It is monoclinic, C 2, Cm , or C 2/ m , with a = 24.67(1), b = 3.781(1), c = 11.881(5)Å, β = 100.07(4)°, and Z = 2. The strongest lines in the X-ray powder pattern are (Å, I, hkl ) 2.981 10...
Journal Article
Journal: Economic Geology
Published: 01 August 1979
Economic Geology (1979) 74 (5): 1002-1011.