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UM1989-30-SiO:AlBaCaFeHKMgMn

A material that is NOT an approved mineral species
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Formula:
(Ba,Ca)(Mn,Fe,Mg)22(Si,Al)32O76(OH)16 · 12H2O
Author's formula: (Ba,Ca)(K,H3O)(Mn2+,Mg,Fe2+)21(Si,Al)32(O,OH)92·H2O.
Colour:
dark brown
The unnamed Ba-analogue of bannisterite. Originally reported by Matsubara & Kato (1989).
Chemically inhomogeneous; some Ba-poor analyses actually are K-dominant, with K > (Ba+Ca).
Compare demagistrisite.

Occurs in veinlets cutting massive caryopilite-rhodochrosite ore; the ore is is also cut by veinlets of a manganoan chlorite group species, and Ba-enriched orthoclase.


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Unique IdentifiersHide

Mindat ID:
51682
Long-form identifier:
mindat:1:1:51682:6
GUID
(UUID V4):
d85a9e75-f32e-4441-a257-4e499e53e881

Classification of UM1989-30-SiO:AlBaCaFeHKMgMnHide

9.EG.75

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

Physical Properties of UM1989-30-SiO:AlBaCaFeHKMgMnHide

Colour:
dark brown

Chemical Properties of UM1989-30-SiO:AlBaCaFeHKMgMnHide

Formula:
(Ba,Ca)(Mn,Fe,Mg)22(Si,Al)32O76(OH)16 · 12H2O

Author's formula: (Ba,Ca)(K,H3O)(Mn2+,Mg,Fe2+)21(Si,Al)32(O,OH)92·H2O.

Synonyms of UM1989-30-SiO:AlBaCaFeHKMgMnHide

Related Minerals - Strunz-mindat GroupingHide

9.EG.05CymriteBaAl2Si2(O,OH)8 · H2OMon. 2 : P21
9.EG.10Naujakasite(Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26Mon. 2/m : B2/m
9.EG.10ManganonaujakasiteNa6(Mn2+,Fe2+)Al4Si8O26Mon. 2/m : B2/m
9.EG.15DmisteinbergiteCa(Al2Si2O8)Trig. 3 2 : P3 1 2
9.EG.20KampfiteBa12(Si11Al5)O31(CO3)8Cl5Mon. m
9.EG.25SträtlingiteCa2Al2SiO7 · 8H2OTrig. 3m : R3m
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. 2/m
9.EG.30Tamaite(Ca,K,Ba,Na)3-4Mn24(Si,Al)40(O,OH)112 · 21H2OMon. 2/m : P21/b
9.EG.35CoombsiteKMn2+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.40ChalcoditeK(Fe3+,Mg,Fe2+)8(Si,Al)12(O,OH)27Tric. 1 : P1
9.EG.45Latiumite(Ca,K)4(Si,Al)5O11(SO4,CO3)Mon. 2 : P21
9.EG.45TuscaniteKCa6(Si,Al)10O22(SO4,CO3)2(OH) · H2OMon. 2/m : P21/b
9.EG.45LevantiteKCa3Al2(SiO4)(Si2O7)(PO4)Mon. 2 : P21
9.EG.50JagoitePb18Fe3+4[Si4(Si,Fe3+)6][Pb4Si16(Si,Fe)4]O82Cl6Hex. 6 m2 : P6c2
9.EG.55WickenburgiteCaPb3Al2Si10O24(OH)6Trig. 3m : P3 1c
9.EG.60HyttsjöitePb18Ba2Ca5Mn2+2Fe3+2Si30O90Cl · 6H2OTrig. 3 : R3
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
9.EG.70RoymilleritePb24Mg9(Si10O28)(CO3)10(BO3)(SiO4)(OH)13O5Tric. 1 : P1
9.EG.75Bannisterite(Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2OMon. 2/m : B2/b
9.EG.75KayupovaiteNa2Mn10[(Si14Al2)O38(OH)8] · 7H2OMon. 2/m : B2/b

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 UM1989-30-SiO:AlBaCaFeHKMgMnHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Matsubara S. & Kato, A. (1989): A barian bannisterite from Japan. Mineralogical Magazine: 53: 85-87.
Smith, D.G.W., Nickel, E.H. (2007): A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. Canadian Mineralogist: 45: 983-1055; http://nrmima.nrm.se (2016)

Internet Links for UM1989-30-SiO:AlBaCaFeHKMgMnHide

Localities for UM1989-30-SiO:AlBaCaFeHKMgMnHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Japan
 
  • Mie Prefecture
    • Toba City
Matsubara S. & Kato, A. (1989): A barian bannisterite from Japan. Mineralogical Magazine: 53: 85-87.
 
Mineral and/or Locality  
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