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Bannisterite

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Formula:
(Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O
n ~ 5.5
Colour:
Dark brown
Lustre:
Sub-Vitreous, Resinous, Greasy
Hardness:
4
Specific Gravity:
2.83 - 2.84
Crystal System:
Monoclinic
Name:
Named by Marie Louise Lindberg Smith and Clifford Frondel in 1968 in honor of Dr. Frederick Allen Bannister (1901-1970), mineralogist and x-ray crystallographer, formerly Keeper of Minerals, British Museum (Natural History), London, England, UK. (Originally identified as ganophyllite in 1936 by William Frederick Foshag.)
Structurally related to the Stilpnomelane Group.

Dark brown flat platy aggregates.


Hide all sections | Show all sections

Classification of BannisteriteHide

Approved
Approval Year:
1967
9.EG.75

9 : SILICATES (Germanates)
E : Phyllosilicates
G : Double nets with 6-membered and larger rings
74.1.1.4

74 : PHYLLOSILICATES Modulated Layers
1 : Modulated Layers with joined islands
16.16.15

16 : Silicates Containing Aluminum and other Metals
16 : Aluminosilicates of Mn

Physical Properties of BannisteriteHide

Sub-Vitreous, Resinous, Greasy
Transparency:
Translucent
Colour:
Dark brown
Streak:
Creamy white
Hardness:
Cleavage:
Perfect
{001}
Fracture:
Micaceous
Comment:
Cleavages are smooth without ruling, A-structure, or imperfections typical of True Micas.
Density:
2.83 - 2.84 g/cm3 (Measured)    2.84 g/cm3 (Calculated)

Optical Data of BannisteriteHide

Type:
Biaxial
RI values:
nα = 1.544 - 1.574 nβ = 1.586 - 1.611 nγ = 1.589 - 1.612
2V:
Calculated: 18° to 28°
Birefringence:
0.045
Max Birefringence:
δ = 0.045
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v weak to moderate
Pleochroism:
Visible
Comments:
X colorless to pale yellow

Chemical Properties of BannisteriteHide

Formula:
(Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O

n ~ 5.5
Common Impurities:
Zn,Na

Crystallography of BannisteriteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Cell Parameters:
a = 22.26 Å, b = 16.36 Å, c = 24.66 Å
β = 94.28°
Ratio:
a:b:c = 1.361 : 1 : 1.507
Unit Cell V:
8,955.48 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Platy aggregates
Comment:
A2/a

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
12.33 (100)
11.5 (2)
8.78 (2)
8.43 (2)
7.95 (2)
7.11 (4)
6.82 (4)
6.61 (2)
6.38 (2)
6.16 (2)
5.93 (2)
5.56 (6)
5.20 (6)
4.91 (2)
4.71 (2)
4.593 (10)
4.28 (6)
4.21 (2)
4.09 (16b)
3.79 (8)
3.69 (2)
3.57 (6)
3.44 (20)
3.40 (2)
3.36 (10)
3.31 (2)
3.24 (2)
3.21 (2)
3.13 (2)
3.08 (12)
3.02 (2)
2.97 (4)
2.91 (2)
2.84 (2)
2.79 (8)
2.75 (8)
2.71 (2)
2.64 (16)
2.61 (12)
2.48 (2)
2.46 (2)
2.41 (10)
2.38 (10)
2.33 (2)
2.30 (2)
2.25 (4)
2.22 (4)
2.20 (2)
2.16 (6)
2.11 (2)
1.998 (2b)
1.930 (4)
1.916 (2)
1.885 (2)
1.860 (2)
1.831 (2)
1.796 (2)
1.754 (2)
1.720 (2)
1.708 (4)
1.668 (2)
1.657 (2)
1.633 (4)
1.614 (8)
1.599 (8)
1.573 (2)
1.561 (4)
1.546 (2)
1.537 (2)
1.516 (2)
1.505 (2)
1.451 (2)
1.442 (2)
1.430 (2)
1.407 (2)
1.386 (2)
1.367 (2)
1.349 (2)
1.343 (2)
1.332 (2)
1.320 (2)
1.311 (2)
1.300 (2)
1.287 (2)
1.278 (2)
1.269 (2)
Comments:
ICDD 21-57; Structurally similar to ganophyllite and the stilpnomelane group

Type Occurrence of BannisteriteHide

Synonyms of BannisteriteHide

Other Language Names for BannisteriteHide

Relationship of Bannisterite to other SpeciesHide

Structurally related to group(s):

Common AssociatesHide

Associated Minerals Based on Photo Data:
Rhodonite12 photos of Bannisterite associated with Rhodonite on mindat.org.
Calcite5 photos of Bannisterite associated with Calcite on mindat.org.
Rhodochrosite4 photos of Bannisterite associated with Rhodochrosite on mindat.org.
Galena1 photo of Bannisterite associated with Galena on mindat.org.
Pyroxmangite1 photo of Bannisterite associated with Pyroxmangite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.EG.05CymriteBaAl2Si2(O,OH)8 · H2OMon.
9.EG.10Naujakasite(Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26Mon. 2/m : B2/m
9.EG.10ManganonaujakasiteNa6(Mn2+,Fe2+)Al4Si8O26Mon.
9.EG.15DmisteinbergiteCa(Al2Si2O8)Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
9.EG.20KampfiteBa12(Si11Al5)O31(CO3)8Cl5Mon. m
9.EG.25SträtlingiteCa2Al2SiO7 · 8H2OTrig.
9.EG.25VertumniteCa4Al4Si4O6(OH)24 · 3H2OMon. 2/m : P21/m
9.EG.30Eggletonite(Na,K,Ca)2(Mn,Fe)8(Si,Al)12O29(OH)7 · 11H2OMon.
9.EG.30Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2OMon.
9.EG.30Tamaite(Ca,K,Ba,Na)3-4Mn24(Si,Al)40(O,OH)112 · 21H2OMon.
9.EG.35CoombsiteK(Mn,Fe,Mg)13(Si,Al)18O42(OH)14Trig.
9.EG.35ZussmaniteK(Fe,Mg,Mn)13(Si,Al)18O42(OH)14Trig. 3 : R3
9.EG.40Franklinphilite(K,Na)4(Mn2+,Mg,Zn)48(Si,Al)72(O,OH)216 · 6H2OTric.
9.EG.40LennilenapeiteK6-7(Mg,Mn,Fe,Zn)48(Si,Al)72(O,OH)216 · 16H2OTric.
9.EG.40Parsettensite(K,Na,Ca)7.5(Mn,Mg)49Si72O168(OH)50 · nH2OMon. 2/m : B2/m
9.EG.40Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2OTric. 1 : P1
9.EG.45Latiumite(Ca,K)4(Si,Al)5O11(SO4,CO3)Mon.
9.EG.45Tuscanite(K(Ca,Na)6(Si,Al)10O22[SO4,CO3,(OH)2] · H2OMon.
9.EG.50JagoitePb18Fe3+4[Si4(Si,Fe3+)6][Pb4Si16(Si,Fe)4]O82Cl6Hex.
9.EG.55WickenburgiteCaPb3Al2Si10O24(OH)6Trig. 3m : P3 1c
9.EG.60HyttsjöitePb18Ba2Ca5Mn2+2Fe3+2Si30O90Cl · 6H2OTrig.
9.EG.65ArmbrusteriteK5Na7Mn15[(Si9O22)4](OH)10 · 4H2OMon. 2/m : B2/m
9.EG.70Britvinite[Pb7(OH)3F(BO3)2(CO3)][Mg4.5(OH)3(Si5O14)]Tric. 1 : P1

Related Minerals - Dana Grouping (8th Ed.)Hide

74.1.1.1Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2OTric. 1 : P1
74.1.1.2LennilenapeiteK6-7(Mg,Mn,Fe,Zn)48(Si,Al)72(O,OH)216 · 16H2OTric.
74.1.1.3Franklinphilite(K,Na)4(Mn2+,Mg,Zn)48(Si,Al)72(O,OH)216 · 6H2OTric.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.16.1KanonaiteMn3+Al(SiO4)OOrth. mmm (2/m 2/m 2/m) : Pnnm
16.16.2SpessartineMn2+3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
16.16.3DavreuxiteMnAl6Si4O17(OH)2Mon.
16.16.4SursassiteMn2+2Al3(SiO4)(Si2O7)(OH)3Mon. 2/m : P21/m
16.16.5CarpholiteMn2+Al2(Si2O6)(OH)4Orth.
16.16.6KellyiteMn2+2Al(AlSiO5)(OH)4Hex.
16.16.7PennantiteMn2+5Al(AlSi3O10)(OH)8Tric.
16.16.8AkatoreiteMn2+9Al2Si8O24(OH)8Tric.
16.16.9Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2OMon.
16.16.10Mangano-ferri-eckermannite[Na][Na2][Mn2+4(Fe3+)]Si8O22(OH)2Mon.
16.16.11Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2Mon.
16.16.13HowieiteNa(Fe,Mn)10(Fe,Al)2Si12O31(OH)13Tric.
16.16.14Eggletonite(Na,K,Ca)2(Mn,Fe)8(Si,Al)12O29(OH)7 · 11H2OMon.
16.16.16Taneyamalite(Na,Ca)(Mn,Mg,Fe)12Si12(O,OH)44Tric.
16.16.17ZussmaniteK(Fe,Mg,Mn)13(Si,Al)18O42(OH)14Trig. 3 : R3
16.16.18CoombsiteK(Mn,Fe,Mg)13(Si,Al)18O42(OH)14Trig.
16.16.19HenritermieriteCa3(Mn3+,Al)2(SiO4)2(OH)4Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
16.16.20MacfalliteCa2Mn3+3(SiO4)(Si2O7)(OH)3Mon.
16.16.21Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2Mon.
16.16.22Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
16.16.23OkhotskiteCa2(Mn,Mg)(Mn3+,Al,Fe3+)2(Si2O7)(SiO4)(OH)2 · H2OMon.
16.16.24Pumpellyite-(Mn2+)Ca2Mn2+Al2(Si2O7)(SiO4)(OH)2 · H2OMon.
16.16.25Piemontite-(Sr){CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon.

Fluorescence of BannisteriteHide

Not fluorescent in UV

Other InformationHide

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 BannisteriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Pavlides, Louis and Milton, Charles, 1962, Geology and Manganese Deposits of the Maple and Hovey Mountains Area, Aroostook County, Maine, U. S. Geological Survey Professional Paper 362, pp. 116 + plates.
Smith, M.L. and Frondel, C. (1968) The related layered minerals ganophyllite, bannisterite and stilpnomelane. Mineralogical Magazine: 36: 893-913.
American Mineralogist (1969): 54: 577.
American Mineralogist (1981): 66: 1063-1067.
American Mineralogist (1993): 78: 236.
Clays and Clay Minerals: 40: 129-144.

Internet Links for BannisteriteHide

Localities for BannisteriteHide

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.
Australia
 
  • New South Wales
    • Yancowinna Co.
Birch, W. D., ed. (1999): The minerals of Broken Hill. Broken Hill City Council and Museum of Victoria, Broken Hill, Australia, 289 pp.
Birch et al - 1999, Minerals of Broken Hill - Second Edition.
        • Southern operations mine (Pasminco mine; Perilya mine; Consolidated Zinc Mine; CRA mine; New Broken Hill Consolidated Mine; NBHC Mine)
Keith Compton collection
Japan
 
  • Honshu Island
    • Chubu region
      • Shizuoka prefecture
Sameshima, Teruhiko; Ono, Susumu (1994) Ferroaxinite and datolite from Mt. Nio, Shizuoka city, central Japan. Geosci.Repts.Shizuoka Univ.,20 (Mar.,1994),1−4
    • Kanto Region
      • Saitama Prefecture
        • Hannou
Satoshi Matsubara (1981) Taneyamalite, (Na, Ca)(Mn2+,Mg,Fe3+,Al)12Si12 (O,OH)44, a New Mineral from the Iwaizawa Mine, Saitama Prefecture, Japan. Mineralogical Magazine 44:51-53.
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
    • Kinki region
      • Mie Prefecture
        • Toba City
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
    • Tohoku Region
      • Iwate Prefecture
        • Shimohei-gun
          • Yamada-machi
Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
  • Shikoku Island
    • Kochi Prefecture
      • Nankoku city
Masutomi Museum specimen, Kyoto; Smith, M.L. and Frondel, C. (1968) The related layered minerals ganophyllite, bannisterite and stilpnomelane. Mineralogical Magazine: 36: 893-913.
Norway
 
  • Telemark
    • Tokke
      • Botnedal
Wel, D.van der. (1999): The Minerals of the Brandsnuten Manganes Deposit, Tokke, Norway. Bergverksmuseets Skrift 15: 74-86
Romania
 
  • Suceava Co.
    • Suceava district
      • Iacobeni (Jakobeny; Jacobeny; Jakabfalva)
http://minerals-of-the-carpathians.eu
Russia
 
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Ekaterinburg (Sverdlovsk)
          • Kurganovo
Brusnitsyn A.I. (2000) Rhodonite deposits of Middle Ural, - S.-Peterburg Univercity press, p. 200 (in Rus.).
    • Southern Urals
A. I. Brusnitsyn, I. G. Zhukov, V. N. Kuleshov (2009): The Bikkulovskoe manganese deposit (South Urals): Geological setting, composition of metalliferous rocks, and formation model. Lithology and Mineral Resources 44, 557-578.
Slovakia
 
  • Košice Region
    • Gelnica Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
        • Zimná Voda Valley
Faryad S. W., Peterec D. (1987): Manifestations of skarn mineralization in the eastern part of the Spišsko-gemerské rudohorie Mts. Geologický Zborník-Geologica Carpathica, 38, 1, 111-128.
    • Košice Co.
Pauliš P., Ďuďa R., 2002: Nejzajimavejší mineralogická nalezište Slovenska. Kuttna, Kutná Hora, 134p.
Sweden
 
  • Västmanland
    • Lindesberg
No reference listed
Kjell Gatedal
UK (TL)
 
  • Wales
    • Gwynedd
      • Lleyn Peninsula
        • Llanfaelrhys
          • Rhiw
Smith, M.L. and Frondel, C. (1968) The related layered minerals ganophyllite, bannisterite and stilpnomelane. Mineralogical Magazine: 36: 893-913.; UK Journal of mines & Minerals, number 29 pp47-48.; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177.;
USA (TL)
 
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
        • Franklin
Dunn(1995):Pt4:487.; Smith, M.L. and Frondel, C. (1968) The related layered minerals ganophyllite, bannisterite and stilpnomelane. Mineralogical Magazine: 36: 893-913.
  • North Carolina
    • Alleghany Co.
      • Sparta
        • Bald Knob
Mineral and/or Locality  
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