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Lindqvistite

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Bengt Lindqvist
Formula:
Pb2Mn2+Fe16O27
Colour:
Black
Lustre:
Sub-Metallic
Hardness:
6
Specific Gravity:
5.76 (Calculated)
Crystal System:
Hexagonal
Name:
Named by D. Holstram and R. Norrestam in 1991 in honor of Bengt Lindqvist (14 December 1927 - 3 October 2009, Uppsala, Sweden), Senior Curator at the Swedish Museum of Natural History, Stockholm, Sweden.
This page provides mineralogical data about Lindqvistite.


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Classification of LindqvistiteHide

Approved
Approval Year:
1991
First Published:
1993
Approval History:
IMA1991-038
4.CC.45

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
C : With large and medium-sized cations
7.11.15.1

7 : MULTIPLE OXIDES
11 : Miscellaneous

Physical Properties of LindqvistiteHide

Sub-Metallic
Transparency:
Opaque
Colour:
Black
Streak:
Brownish black
Hardness:
Hardness:
VHN100=818 - 898 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {0001}
Density:
5.76 g/cm3 (Calculated)

Optical Data of LindqvistiteHide

Type:
Anisotropic
Anisotropism:
Moderate, bluish gray to brown
Bireflectance:
Weak
Reflectivity:
470nmR=23.7–22.0%
546nmR=22.7–21.5%
589nmR=22.0–21.1%
650nmR=21.3–20.7%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 23.7–22.0%.
Colour in reflected light:
Gray with a faint brownish tint
Internal Reflections:
None observed

Chemical Properties of LindqvistiteHide

Formula:
Pb2Mn2+Fe16O27
IMA Formula:
Pb2Mn2+Fe3+16O27
Common Impurities:
Zn,Al,Ti,Si

Crystallography of LindqvistiteHide

Crystal System:
Hexagonal
Cell Parameters:
a = 5.95 Å, c = 33.35 Å
Ratio:
a:c = 1 : 5.605
Unit Cell V:
1,022.49 ų (Calculated from Unit Cell)
Morphology:
Tabular on {0001}
Twinning:
None observed

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.168 (55)
3.334 (40)
3.011 (60)
2.975 (70)
2.802 (95)
2.624 (100)
2.612 (90)

Type Occurrence of LindqvistiteHide

General Appearance of Type Material:
Subhedral crystals
Place of Conservation of Type Material:
Swedish Museum of Natural History, Stockholm, Sweden, 38126.
The Natural History Museum, London, England, 1992,375.
Geological Setting of Type Material:
Regionally metamorphosed skarn deposit
Reference:
Holstram, D., Norrestam, R. (1993) Lindqvistite, Pb2MeFe16O27, a novel hexagonal ferrite mineral from Jakobsberg, Filipstad, Sweden. American Mineralogist: 78: 1304-1312.

Synonyms of LindqvistiteHide

Other Language Names for LindqvistiteHide

Related Minerals - Nickel-Strunz GroupingHide

4.CC.AllendeiteSc4Zr3O12Trig. 3 : R3
4.CC.Yttriaite-(Y)Y2O3Iso.
4.CC.05ChrombismiteBi16CrO27Tet.
4.CC.10FreudenbergiteNa2(Ti,Fe)8O16Mon.
4.CC.15GrossiteCaAl4O7Mon. 2/m : B2/b
4.CC.20ChlormayeniteCa12Al14O32[◻4Cl2]Iso. 4 3m : I4 3d
4.CC.25YafsoaniteCa3Zn3(TeO6)2Iso. m3 (2/m 3)
4.CC.30LatrappiteCa2NbFe3+O6Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30LueshiteNaNbO3Orth. mmm (2/m 2/m 2/m)
4.CC.30NatroniobiteNaNbO3Mon.
4.CC.30PerovskiteCaTiO3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30BarioperovskiteBaTiO3Orth. mm2 : Amm2
4.CC.30LakargiiteCa(Zr,Sn,Ti)O3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30MegawiteCaSnO3Orth. mmm (2/m 2/m 2/m) : Pban
4.CC.35Loparite-(Ce)(Na,REE)Ti2O6
4.CC.35MacedonitePbTiO3Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
4.CC.35TausoniteSrTiO3Iso. 4 3m
4.CC.35Isolueshite(Na,La)NbO3Iso. m3m (4/m 3 2/m) : Pm3m
4.CC.40CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
4.CC.40Davidite-(Ce)(Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig. 3 : R3
4.CC.40Davidite-(La)(La,Ce)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig.
4.CC.40Davidite-(Y)(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)Trig.
4.CC.40LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3
4.CC.40Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38Trig.
4.CC.40Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38Trig.
4.CC.40Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38Trig.
4.CC.40SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig.
4.CC.40Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38Trig. 3 : R3
4.CC.40Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38Trig. 3 : R3
4.CC.40Gramaccioliite-(Y)(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38Trig. 3
4.CC.45DiaoyudaoiteNaAl11O17Hex.
4.CC.45HawthorneiteBaMgTi3Cr4Fe2+2Fe3+2O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45Hibonite(Ca,Ce)(Al,Ti,Mg)12O19Hex.
4.CC.45Magnetoplumbite(Pb,Mn)(Fe,Mn)12O19Hex.
4.CC.45PlumboferritePb2(Fe3+,Mn2+,Mg)11O19Trig. 3 2
4.CC.45YimengiteK(Cr,Ti,Fe,Mg)12O19Hex.
4.CC.45HaggertyiteBaFe2+4Fe3+2Ti5MgO19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45NežilovitePbZn2Mn4+2Fe3+8O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45BatiferriteBaTi2Fe3+8Fe2+2O19Hex.
4.CC.45Hibonite-(Fe)(Fe,Mg)Al12O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45BarioferriteBaFe3+12O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.50Jeppeite(K,Ba)2(Ti,Fe)6O13Mon.
4.CC.55ZenzénitePb3Fe4Mn3O15Hex.
4.CC.60Mengxianminite (of Huang et al.)(Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29

Other InformationHide

Magnetism:
Non-Magnetic
Thermal Behaviour:
After heat treatment (840 C for 3 h in air) it becomes moderately magnetic.
Notes:
Slowly soluble in cold HCl 3:l solution but not affected by HNO3 or H2SO4.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for LindqvistiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Holstram, D., Norrestam, R. (1993) Lindqvistite, Pb2MeFe16O27, a novel hexagonal ferrite mineral from Jakobsberg, Filipstad, Sweden. American Mineralogist: 78: 1304-1312.
New Minerals (1997), New Minerals 1990-1994.

Internet Links for LindqvistiteHide

Localities for LindqvistiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia
 
  • Northern Region
    • Karelia Republic
      • Ladoga Region
Ivashchenko, V. I., Valkama, M., Sundblad, K., Golubev, A. I., & Alekseev, V. Y. (2011, September). New data on mineralogy and metallogeny of scarns in the Pitkyaranta ore region. In Doklady Earth Sciences (Vol. 440, No. 1, pp. 1307-1311). SP MAIK Nauka/Interperiodica
Sweden (TL)
 
  • Värmland
    • Filipstad
      • Nordmark district
        • Jakobsberg ore field
Holtstam, D. & Norrestam, R. (1993): Lindqvistite Pb2MeFe16O27,a novel hexagonal ferrite mineral from Jakobsberg, Filipstad, Sweden. American Mineralogist. 78, 1304-1312
Mineral and/or Locality  
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