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Ericssonite-2O

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Formula:
BaMn22+Fe3+(Si2O7)O(OH)
System:
Orthorhombic
Name:
Previously named orthoericssonite. Discredited by IMA in 2011, since it corresponds to the orthorhombic polytype of ericssonite (IMA 10-F)
A polytype of Ericssonite


Classification of Ericssonite-2O

Discredited
9.BE.25

9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
56.2.6c.5

56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
14.7.6

14 : Silicates not Containing Aluminum
7 : Silicates of Ba, Sr and Zn

First Recorded Occurrence of Ericssonite-2O

Crystallography of Ericssonite-2O

Crystal System:
Orthorhombic
Cell Parameters:
a = 20.32Å, b = 7.03Å, c = 5.34Å
Ratio:
a:b:c = 2.89 : 1 : 0.76
Unit Cell Volume:
V 762.82 ų (Calculated from Unit Cell)

Optical Data of Ericssonite-2O

Type:
Biaxial (+)
RI values:
nα = 1.802 nβ = 1.840 nγ = 1.888
2V:
Measured: 50° , Calculated: 86°
Max Birefringence:
δ = 0.086
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v

Chemical Properties of Ericssonite-2O

Formula:
BaMn22+Fe3+(Si2O7)O(OH)
Elements listed in formula:
Common Impurities:
Ti,Al,As,Pb,Mg,Sr,Li,Na,K,H2O,C

Relationship of Ericssonite-2O to other Species

9.BE.02WadsleyiteMg2SiO4
9.BE.05HennomartiniteSrMn23+Si2O7(OH)2 · H2O
9.BE.05LawsoniteCaAl2Si2O7(OH)2 · H2O
9.BE.05NoelbensoniteBaMn23+Si2O7(OH)2 · H2O
9.BE.05ItoigawaiteSrAl2Si2O7(OH)2 · H2O
9.BE.07IlvaiteCaFe3+Fe22+O(Si2O7)(OH)
9.BE.07ManganilvaiteCaFe2+Fe3+Mn2+(Si2O7)O(OH)
9.BE.10SuoluniteCa2Si2O5(OH)2 · H2O
9.BE.12JaffeiteCa6Si2O7(OH)6
9.BE.15FresnoiteBa2TiO(Si2O7)
9.BE.17BaghdaditeCa3Zr(Si2O7)O2
9.BE.17BurpaliteNa2CaZr(Si2O7)F2
9.BE.17CuspidineCa4(Si2O7)F2
9.BE.17Hiortdahlite(Na,Ca)2Ca4Zr(Mn,Ti,Fe)(Si2O7)2(F,O)4
9.BE.17Janhaugite(Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2
9.BE.17Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti,Nb)(Si2O7)(O,OH,F)2
9.BE.17NiocaliteCa7Nb(Si2O7)2O3F
9.BE.17NormanditeNaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF
9.BE.17WöhleriteNaCa2(Zr,Nb)(Si2O7)(O,F)2
9.BE.17Hiortdahlite INa4Ca8Zr2(Nb,Mn,Ti,Fe,Mg,Al)2(Si2O7)4O3F5
9.BE.17MarianoiteNa2Ca4(Nb,Zr)2(Si2O7)2(O,F)4
9.BE.20Mosandrite-(Ce)(Ca,Ce)4(◻,Ca,Na)3Ti(Si2O7)2(H2O,OH,F)4 · H2O
9.BE.20Nacareniobsite-(Ce)Na3Ca3CeNb(Si2O7)2OF3
9.BE.22GötzeniteNaCa6Ti(Si2O7)2OF3
9.BE.22Hainite-(Y)Na2Ca4(Y,REE)Ti(Si2O7)2OF3
9.BE.22RosenbuschiteNa2(Na,Ca)4Ca6Zr3Ti(Si2O7)4O4F4
9.BE.22KochiteNa(Na,Ca)2Ca2(Mn,Ca)ZrTi(Si2O7)2(F,O)4
9.BE.23DovyreniteCa6Zr(Si2O7)2(OH)4
9.BE.25BarytolamprophylliteNa3(BaK)Ti3(Si2O7)2O2(OH)2
9.BE.25EricssoniteBaMn22+Fe3+(Si2O7)O(OH)
9.BE.25LamprophylliteNa3(SrNa)Ti3(Si2O7)2O2(OH)2
9.BE.25Seidozerite(Na,Ca)4Mn(Ti,Zr)2(Si2O7)2(O,F,OH)4
9.BE.25NabalamprophylliteNa3(BaNa)Ti3(Si2O7)2O2(OH)2
9.BE.25GrenmariteNa4MnZr3(Si2O7)2O2F2
9.BE.25SchülleriteNa2Ba2Mg2Ti2(Si2O7)2O2F2
9.BE.25LileyiteBa2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2
9.BE.27MurmaniteNa2Ti2(Si2O7)O2 · 2H2O
9.BE.30EpistoliteNa4TiNb2(Si2O7)2O2(OH)2 · 4H2O
9.BE.32LomonosoviteNa5Ti2(Si2O7)(PO4)O2
9.BE.35VuonnemiteNa11Ti4+Nb2(Si2O7)2(PO4)2O3F
9.BE.37SoboleviteNa13Ca2Mn2Ti3(Si2O7)2(PO4)4O3F3
9.BE.40InneliteNa2CaBa4Ti3(Si2O7)2(SO4)2O4
9.BE.40PhosphoinneliteNa3Ba4Ti3Si4O14(PO4)2O2F
9.BE.42YoshimuraiteBa2Mn22+Ti(Si2O7)(PO4)O(OH)
9.BE.45QuadruphiteNa14Ca2Ti4(Si2O7)2(PO4)4O4F2
9.BE.47PolyphiteNa9Ca2Ti2(Si2O7)(PO4)3O2F2
9.BE.50BornemaniteNa6BaTi2Nb(Si2O7)2(PO4)O2(OH)F
9.BE.50ShkatulkaliteNa10MnTi3Nb3(Si2O7)6(OH)2F · 12H2O
9.BE.55BafertisiteBaFe22+Ti(Si2O7)O(OH,F)2
9.BE.55HejtmaniteBaMn22+Ti(Si2O7)O(OH,F)2
9.BE.55Bykovaite(Ba,Na,K)2(Na,Ti,Mn)4(Ti,Nb)2O2Si4O14(H2O,F,OH)2 · 3.5H2O
9.BE.55Nechelyustovite(Ba,Na)2(Na,Ti,Mn)4(Ti,Nb)2Si4O14(OH,O,F)5 · 3H2O
9.BE.60DelindeiteNa2Ba2Ti3(Si2O7)2O2(OH)2 · 2H2O
9.BE.65BusseniteNa2Ba2Fe2+TiSi2O7(CO3)O(OH)F · H2O
9.BE.67JinshajiangiteNaBaFe42+Ti2(Si2O7)2O2(OH)2F
9.BE.67Perraultite(Na,Ca)2(Ba,K)2(Mn,Fe)8(Ti,Nb)4O4(OH)2(Si2O7)4(OH,F)4
9.BE.67SurkhobiteNaCaBa2Mn8Ti4O4(Si2O7)4(F5O)
9.BE.70Karnasurtite-(Ce)CeTiAlSi2O7(OH)4 · 3H2O
9.BE.70Perrierite-(Ce)Ce4MgFe23+Ti24+O8(Si2O7)2
9.BE.70Strontiochevkinite(Sr,Ce,La)4Fe2+(Ti,Zr)4O8(Si2O7)2
9.BE.70Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
9.BE.70Polyakovite-(Ce)(Ce,Ca)4MgCr2(Ti,Nb)2Si4O22
9.BE.70RengeiteSr4Ti4ZrO8(Si2O7)2
9.BE.70MatsubaraiteSr4Ti5O8(Si2O7)2
9.BE.70Dingdaohengite-(Ce)(Ce3+,La)4Fe2+(Ti,Fe2+,Mg,Fe3+)2Ti2Si4O22
9.BE.70Maoniupingite-(Ce)(Ce,Ca)4(Fe3+,Ti,Fe2+,◻)(Ti,Fe3+,Fe2+,Nb)4Si4O22
9.BE.70Perrierite-(La)(La,Ce,Ca)4(Fe2+,Mn)(Ti,Fe3+,Al)4(Si2O7)2O8
9.BE.70UKI-2008-(SiO:SrTiZr)Sr4ZrTi4(Si2O7)2O8
9.BE.70Hezuolinite(Sr,REE)4Zr(Ti,Fe3+,Fe2+)2Ti2O8(Si2O7)2
9.BE.72FersmaniteCa4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3
9.BE.75BelkoviteBa3Nb6(Si2O7)2O12
9.BE.77NasoniteCa4Pb6(Si2O7)3Cl2
9.BE.80KentrolitePb2Mn23+O2(Si2O7)
9.BE.80MelanotekitePb2Fe23+O2Si2O7
9.BE.82TilleyiteCa5Si2O7(CO3)2
9.BE.85KillalaiteCa3.2[H0.6Si2O7](OH)
9.BE.87Stavelotite-(La)La3Mn32+Cu2+(Mn3+,Fe3+,Mn4+)26(Si2O7)6O30
9.BE.90Biraite-(Ce)Ce2Fe2+Si2O7(CO3)
9.BE.92Cervandonite-(Ce)(Ce,Nd,La)(Fe3+,Ti,Fe2+,Al)3O2(Si2O7)1-x+y(AsO3)1+x-y(OH)3x-3y, x=0.5, y=0.3
9.BE.95BatisiviteBaTi6(V,Cr)8Si2O29
14.7.1SanborniteBaSi2O5
14.7.2KrauskopfiteBaSi2O5 · 3H2O
14.7.3WalstromiteBaCa2Si3O9
14.7.4MacdonalditeBaCa4Si16O36(OH)2 · 10H2O
14.7.5EricssoniteBaMn22+Fe3+(Si2O7)O(OH)
14.7.7GillespiteBaFe2+Si4O10
14.7.8AndrémeyeriteBaFe22+Si2O7
14.7.9PellyiteBa2CaFe22+Si6O17
14.7.10TaikaniteBaSr2Mn23+O2(Si4O12)
14.7.11WillemiteZn2SiO4
14.7.12HemimorphiteZn4Si2O7(OH)2 · H2O
14.7.13ZincsiliteZn3Si4O10(OH)2 · 4H2O
14.7.14HardystoniteCa2ZnSi2O7
14.7.15PetedunniteCaZnSi2O6
14.7.16ClinohedriteCaZnSiO4 · H2O
14.7.17JunitoiteCaZn2Si2O7 · H2O
14.7.18LarsenitePbZnSiO4
14.7.19EsperitePbCa2(ZnSiO4)3
14.7.20HodgkinsoniteZn2Mn2+SiO4(OH)2
14.7.21GerstmanniteMn2+MgZnSiO4(OH)2
14.7.22GageiteMn212+Si8O27(OH)20
14.7.23FranklinfurnaceiteCa2Mn32+Mn3+Fe3+Zn2Si2O10(OH)8

Other Names for Ericssonite-2O

Name in Other Languages:

Other Information

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 Ericssonite-2O

Reference List:
American Mineralogist (1971): 56: 2157.

Mineralogical Journal: 10: 107-121.

Halenius, U. (1995) A Mössbauer study of pentacoordinated ferric iron in orthoericssonite. Mineralogical Journal: 17: 363-371.

IMA discreditation of Orthoericssonite (IMA 10-F)

Internet Links for Ericssonite-2O

mindat.org URL:
http://www.mindat.org/min-3027.html
Please feel free to link to this page.
Specimens:
The following Ericssonite-2O specimens are currently listed for sale on minfind.com.

Localities for Ericssonite-2O

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Japan
 
  • Honshu Island
    • Tohoku Region
      • Iwate Prefecture
        • Shimohei-gun
          • Iwaizumi-cho
Matsubara & Nagashima (1975) Mineralogical Journal, 7, 513-525.
Sweden (FRL)
 
  • Värmland
    • Filipstad
Lithos,(1971) 4, 137-145; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
      • Nordmark district
        • Jakobsberg ore field
Kjell Gatedal
Mineral and/or Locality  
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