Bafertisite (original) (raw)

RI values:

_n_α = 1.786 - 1.808 _n_β = 1.813 - 1.835 _n_γ = 1.852 - 1.862

2V:

Measured: 54° to 86°, Calculated: 82° to 88°

δ = 0.066

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Comments:

X = yellow red; Z = pale yellow.

Comments:

Absorption: X > Z.

Cell Parameters:

a = 10.665(2) Å, b = 13.743(2) Å, c = 11.721(3) Å
α = 90.30(4)°, β = 112.27(2)°, γ = 90.00(3)°

Ratio:

a:b:c = 0.776 : 1 : 0.853

General Appearance of Type Material:

Aggregates of acicular crystals 1.5 cm long.

Place of Conservation of Type Material:

Fersman Mineralogical Museum, Moscow, Russia, number 61513.
National Museum for Geology, Beijing, China, number M05428.

Geological Setting of Type Material:

Associated Minerals at Type Locality:

9.BE. Paralomonosovite Na6◻4Ti4(Si2O7)2[PO3OH][PO2(OH)2]O2(OF) Tric. 1 : _P_1
9.BE. Cámaraite Ba3Na(Fe2+,Mn)8Ti4(Si2O7)4O4(OH,F)7 Tric. 1
9.BE. Christofschäferite-(Ce) Ce3CaMnTiFe(3+)Ti2(Si2O7)2O8 Mon. 2/m : _P_21/m
9.BE. Bobshannonite Na2KBa(Mn,Na)8(Nb,Ti)4(Si2O7)4O4(OH)4(O,F)2 Tric.
9.BE. Calciomurmanite (Na,◻)2Ca(Ti,Mg,Nb)4[Si2O7]2O2(OH,O)2(H2O)4 Tric. 1 : _P_1
9.BE. Batievaite-(Y) Y2Ca2Ti(Si2O7)2(OH)2(H2O)4 Tric. 1 : _P_1
9.BE. Delhuyarite-(Ce) Ce4Mg(Fe3+,W)3◻(Si2O7)2O6(OH)2 Mon. 2/m : _B_2/m
9.BE.X Asimowite Fe2+4O(Si2O7) Orth. m m m _(_2/_m_2/_m_2/m ) : I m m a
9.BE. Moxuanxueite NaCa6Zr(Si2O7)2OF3 Tric. 1 : _P_1
9.BE. Alexkuznetsovite-(Ce) Ce2Mn(CO3)(Si2O7) Mon. 2/m : _P_21/b
9.BE. Biraite-(La) La2Fe2+(CO3)(Si2O7) Mon. 2/m : _P_21/b
9.BE. Zinkgruvanite Ba4Mn2+4Fe3+2(Si2O7)2(SO4)2O2(OH)2 Tric. 1 : _P_1
9.BE. Madeiraite Na2Ca2Fe2Zr2(Si2O7)2O2F2 Mon. 2/m : _P_21/b
9.BE. Bortolanite Ca2(Ca1.5Zr0.5)Na(NaCa)Ti(Si2O7)2(OF)F2 Tric. 1 : _P_1
9.BE. Nacareniobsite-(Y) Na3Ca3YNb(Si2O7)2OF3 Mon. 2/m : _P_21/b
9.BE. Pilanesbergite Na2Ca2Fe2Ti2(Si2O7)2O2F2 Mon. 2/m : _P_21/b
9.BE. Alfredcasparite Sr2TiO(Si2O7) Tet. 4_m_ m : P_4_b m
9.BE.02 Wadsleyite Mg4O(Si2O7) Orth. m m m _(_2/_m_2/_m_2/m ) : I m m a
9.BE.02 Ohtaniite Mg3(Si0.5◻0.5)Si2O8 Orth. m m m _(_2/_m_2/_m_2/m ) : I m m a
9.BE.05 Hennomartinite SrMn3+2(Si2O7)(OH)2 · H2O Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m
9.BE.05 Lawsonite CaAl2(Si2O7)(OH)2 · H2O Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m
9.BE.05 Noelbensonite BaMn3+2(Si2O7)(OH)2 · H2O Orth. m _m_2
9.BE.05 Itoigawaite SrAl2(Si2O7)(OH)2 · H2O Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m
9.BE.05 Cortesognoite CaV2(Si2O7)(OH)2 · H2O Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m
9.BE.07 Ilvaite CaFe3+Fe2+2(Si2O7)O(OH) Orth. m m m _(_2/_m_2/_m_2/m )
9.BE.07 Manganilvaite CaFe2+Fe3+Mn2+(Si2O7)O(OH) Mon. 2/m : _P_21/b
9.BE.07 Amamoorite CaMn2+2Mn3+(Si2O7)O(OH) Mon. 2/m : _P_21/b
9.BE.10 Suolunite Ca2(H2Si2O7) · H2O Orth. m _m_2 : F d _d_2
9.BE.12 Jaffeite Ca6(Si2O7)(OH)6 Trig. 3 : _P_3
9.BE.15 Fresnoite Ba2Ti(Si2O7)O Tet. 4_m_ m : P_4_b m
9.BE.17 Baghdadite Ca6Zr2(Si2O7)2O4 Mon. 2/m : _P_21/b
9.BE.17 Burpalite Na2CaZr(Si2O7)F2 Mon. 2/m : _P_21/b
9.BE.17 Cuspidine Ca8(Si2O7)2F4 Mon. 2/m : _P_21/b
9.BE.17 Hiortdahlite Na2Ca4(Ca0.5Zr0.5)Zr(Si2O7)2OF3 Tric. 1 : _P_1
9.BE.17 Janhaugite (Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2 Mon. 2/m : _P_21/m
9.BE.17 Låvenite Na2Ca2Mn2Zr2(Si2O7)2O2F2 Mon. 2/m : _P_21/b
9.BE.17 Niocalite (Ca,Nb)4(Si2O7)(O,OH,F)2 Mon. m
9.BE.17 Normandite NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF Mon. 2/m : _P_21/b
9.BE.17 Wöhlerite Na2Ca4ZrNb(Si2O7)2O3F Mon. 2 : _P_21
9.BE.20 Mosandrite-(Ce) (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2 Mon. 2/m : _P_21/b
9.BE.20 Nacareniobsite-(Ce) Na3Ca3(Ce,REE)Nb(Si2O7)2OF3 Mon. 2/m : _P_21/b
9.BE.20 Rinkite-(Ce) (Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2 Mon. 2/m : _P_21/b
9.BE.20 Roumaite (Ca,Na,REE,◻)7(Nb,Ti)[Si2O7]2OF3 Mon. m : B b
9.BE.20 Rinkite-(Y) Na2Ca4YTi(Si2O7)2OF3 Mon. 2/m : _P_21/b
9.BE.22 Götzenite NaCa6Ti(Si2O7)2OF3 Tric. 1 : _P_1
9.BE.22 Hainite-(Y) Na2Ca4(Y,REE)Ti(Si2O7)2OF3 Tric. 1 : _P_1
9.BE.22 Rosenbuschite Na6Ca6Zr3Ti(Si2O7)4O2F6 Tric. 1 : _P_1
9.BE.22 Kochite Na3Ca2MnZrTi(Si2O7)2OF3 Tric. 1 : _P_1
9.BE.22 Fogoite-(Y) Na3Ca2Y2Ti(Si2O7)2OF3 Tric. 1 : _P_1
9.BE.23 Dovyrenite Ca6Zr(Si2O7)2(OH)4 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
9.BE.25 Barytolamprophyllite (Ba,Na)2(Na,Ti,Fe3+)4Ti2(Si2O7)2O(OH,F) Mon.
9.BE.25 Ericssonite BaMn2+2Fe3+(Si2O7)O(OH) Mon. 2/m : _B_2/m
9.BE.25 Lamprophyllite (Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2 Mon. 2/m
9.BE.25 Ericssonite-2O BaMn2+2Fe3+(Si2O7)O(OH) Orth.
9.BE.25 Seidozerite Na4MnZr2Ti(Si2O7)2O2F2 Mon. 2/m : _P_2/b
9.BE.25 Nabalamprophyllite (BaNa)Ti2Na3Ti(Si2O7)2O2(OH)2 Mon. 2/m : _P_2/m
9.BE.25 Grenmarite Na4MnZr3(Si2O7)2O2F2 Mon. 2/m : _P_2/b
9.BE.25 Schüllerite Ba2Na(Mn,Ca)(Fe3+,Mg,Fe2+)2Ti2(Si2O7)2(O,F)4 Tric. 1 : _P_1
9.BE.25 Kazanskyite BaNa3Ti2Nb(Si2O7)2O2(OH)2(H2O)4 Tric. 1 : _P_1
9.BE.25 Lileyite Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2 Mon. 2/m : _B_2/m
9.BE.25 Emmerichite Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2 Mon. 2/m : _B_2/m
9.BE.25 Saamite Ba◻Na3Ti2Nb(Si2O7)2O2(OH)F(H2O)2 Tric. 1 : _P_1
9.BE.25 Fluorlamprophyllite Na3(SrNa)Ti3(Si2O7)2O2F2 Mon. 2/m : _B_2/m
9.BE.25 Fluorbarytolamprophyllite (Ba,Sr)2[(Na,Fe2+)3(Ti,Mg)F2][Ti2(Si2O7)2O2] Mon. 2/m : _B_2/m
9.BE.27 Murmanite Na2Ti2(Si2O7)O2 · 2H2O Tric. 1 : _P_1
9.BE.27 Vigrishinite NaZnTi4(Si2O7)2O3(OH)(H2O)4 Tric. 1 : _P_1
9.BE.27 Kolskyite CaNa2Ti4(Si2O7)2O4(H2O)7 Tric. 1 : _P_1
9.BE.27 Selivanovaite NaFe3+Ti4(Si2O7)2O4(H2O)4 Tric. 1 : _P_1
9.BE.30 Epistolite (Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4 Tric. 1 : _P_1
9.BE.32 Lomonosovite Na5Ti2(Si2O7)(PO4)O2 Tric. 1 : _P_1
9.BE.35 Vuonnemite Na11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH) Tric.
9.BE.37 Sobolevite Na13Ca2Mn2Ti3(Si2O7)2(PO4)4O3F3 Mon. m : P b
9.BE.40 Innelite Ba4Ti2Na(NaMn2+)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)] Tric. 1 : _P_1
9.BE.40 Phosphoinnelite Na3Ba4Ti3(Si2O7)2(PO4,SO4)2O2F Tric.
9.BE.42 Yoshimuraite Ba2Mn2Ti(Si2O7)(PO4)O(OH) Tric. 1 : _P_1
9.BE.45 Quadruphite Na6Na2(CaNa)2Na2Ti2Na2Ti2(Si2O7)2(PO4)4O4F2 Tric. 1 : _P_1
9.BE.47 Polyphite Na5(Na4Ca2)Ti2(Si2O7)(PO4)3O2F2 Tric. 1 : _P_1
9.BE.50 Bornemanite Na6BaTi2Nb(Si2O7)2(PO4)O2(OH)F Tric. 1 : _P_1
9.BE.50 Shkatulkalite Na2Nb2Na3Ti(Si2O7)2O2(FO)(H2O)4(H2O)3 Tric. 1 : _P_1
9.BE.55 Hejtmanite Ba2Mn2+4Ti2(Si2O7)2O2(OH)2F2 Tric. 1
9.BE.55 Bykovaite (Ba,Na,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(H2O,F,OH)2 · 3.5H2O Mon. 2/m
9.BE.55 Nechelyustovite (Ba,Sr,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(O,H2O,F)2 · 4.5H2O Mon. 2/m : _B_2/m
9.BE.60 Delindeite (Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2O Mon. 2/m : _B_2/m
9.BE.62 Orthochevkinite (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 Orth.
9.BE.62 va Strontium Perrierite (Ce,Sr,La,Ca)4Fe2+(Ti,Zr,Fe)2Ti2(Si2O7)2O8
9.BE.62 Chevkinite-(Nd) (Nd,REE)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8 ?
9.BE.62 Perrierite-(Nd) Nd4MgFe3+2Ti2(Si2O7)2O8 ?
9.BE.65 Bussenite Na2Ba2Fe2+Ti(Si2O7)(CO3)(OH)3F Tric. 1 : _P_1
9.BE.67 Jinshajiangite BaNaFe2+4Ti2(Si2O7)2O2(OH)2F Tric. 1 : _P_1
9.BE.67 Perraultite BaNaMn2+4Ti2(Si2O7)2O2(OH)2F Tric. 1
9.BE.70 Karnasurtite-(Ce) (Ce,La,Th)(Ti,Nb)(Al,Fe)(Si2O7)(OH)4 · 3H2O Amor.
9.BE.70 Perrierite-(Ce) Ce4MgFe3+2Ti2(Si2O7)2O8 Mon. 2/m : _P_21/b
9.BE.70 Strontiochevkinite (Sr,La,Ce,Ca)4Fe2+(Ti,Zr)2Ti2(Si2O7)2O8 Mon. 2/m : _P_21/b
9.BE.70 Chevkinite-(Ce) Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 Mon. 2/m : _P_21/b
9.BE.70 Polyakovite-(Ce) (Ce,Ca)4(Mg,Fe2+)(Cr3+,Fe3+)2(Ti,Nb)2(Si2O7)2O8 Mon. 2/m : _B_2/m
9.BE.70 Rengeite Sr4ZrTi4(Si2O7)2O8 Mon. 2/m : _P_21/b
9.BE.70 Matsubaraite Sr4Ti5(Si2O7)2O8 Mon. 2/m : _P_21/b
9.BE.70 Dingdaohengite-(Ce) (Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe3+)2Ti2(Si2O7)2O8 Mon. 2/m : _P_21/b
9.BE.70 Maoniupingite-(Ce) (Ce,Ca)4(Fe3+,Ti,Fe2+,◻)(Ti,Fe3+,Fe2+,Nb)4(Si2O7)2O8 Mon. 2/m : _B_2/m
9.BE.70 Perrierite-(La) (La,Ce,Ca)4(Fe2+,Mn)(Ti,Fe3+,Al)4[(Si2O7)O4]2 Mon. 2/m : _P_21/b
9.BE.70 UM2008-53-SiO:SrTiZr Sr4ZrTi4(Si2O7)2O8 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a
9.BE.70 Hezuolinite (Sr,REE)4Zr(Ti,Fe3+)4(Si2O7)2O8 Mon. 2/m : _B_2/m
9.BE.72 Fersmanite Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3 Tric.
9.BE.75 Belkovite Ba3(Nb,Ti)6(Si2O7)2O12 Hex. 6_m_2 : P_62_m
9.BE.77 Nasonite Pb6Ca4(Si2O7)3Cl2 Hex. 6/m : _P_63/m
9.BE.80 Kentrolite Pb2Mn3+2(Si2O7)O2 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c m
9.BE.80 Melanotekite Pb2Fe3+2(Si2O7)O2 Orth. 222 : _C_2221
9.BE.82 Tilleyite Ca5(Si2O7)(CO3)2 Mon. 2/m : _P_21/b
9.BE.82 Alexkuznetsovite-(La) La2Mn(CO3)(Si2O7) Mon. 2/m : _P_21/b
9.BE.85 Killalaite Ca6.4(H0.6Si2O7)2(OH)2 Mon. 2/m : _P_21/m
9.BE.87 Stavelotite-(La) (La,Nd,Ca)3Mn2+3Cu(Mn3+,Fe3+,Mn4+)26(Si2O7)6O30 Trig. 3 : _P_31
9.BE.90 Biraite-(Ce) Ce2Fe2+(Si2O7)(CO3) Mon. 2/m : _P_21/b
9.BE.90 Magnesiorowlandite-(Y) Y4(Mg,Fe)(Si2O7)2F2 Tric. 1 : _P_1
9.BE.92 Cervandonite-(Ce) (Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH) Trig. 3_m_ : R_3_m
9.BE.92 Chirvinskyite (Na,Ca)13(Fe,Mn,◻)2(Ti,Zr)5(Si2O7)4(OH,O)12 · 2H2O Tric. 1 : _P_1
9.BE.95 Batisivite BaV3+8Ti6(Si2O7)O22 Tric. 1 : _P_1
9.BE.95 Rusinovite Ca10(Si2O7)3Cl2 Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m
9.BE.97 Schlüterite-(Y) (Y,REE)2AlSi2O7(OH)2F Mon. 2/m : _P_21/b

- 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.

Canada
Québec Nord-du-Québec Nunavik Eldor carbonatite Mitchell et al. (2017)
Strange Lake complex (Lac Brisson complex) Miller (1990) +4 other references
China (TL)
Inner Mongolia Baotou City (Baotou Prefecture) Bayan Obo mining district Bayan Obo Bayan Obo deposit (TL) American Mineralogist 57 (1972) +2 other references
East Mine Pavel.M. Kartashov (n.d.)
Jiangsu ? Gongbao Wu et al. (1982) +1 other reference
Lianyungang Donghai Co. ? Guowu Li et al. (2011)
Egypt
South Sinai Governorate El Sheikh Soliman Sallam et al. (2014)
Hungary
Baranya County Mecsek Mountains Harangi et al. (1993) +4 other references
Italy
Umbria Terni Province San Venanzo Vispi Quarry Sharygin et al. (2013) +1 other reference
Kazakhstan
Abai Region Tarbagatai Range Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts) Verkhnee Espe Massif (Verkhnee Espe deposit) Pavel.M. Kartashov (n.d.)
Kyrgyzstan
Batken Region Sokh Valley Upper Khodzhaachkan River Dzhelisu Massif Leonid A. Pautov data
North Korea
Kangwon Province Pyonggang County Abdong Zr-Nb deposit (Aptong; Apdong) Pavel.M. Kartashov (n.d.)
Romania
Suceava County Iacobeni Arșița mine ? minerals-of-the-carpathians.eu (2008)
Tolovanu Tolovanu (Tolovan) Mn deposit Hîrtopanu (1997) +1 other reference
Russia
Buryatia Mama River Basin Maigunda River Burpala alkaline massif Bailey +1 other reference
Murmansk Oblast Gremyakha-Vyrmes Massif Igor V. Pekov analytical data +1 other reference
Khibiny Massif ...
Zabaykalsky Krai Kalarsky District Katugin Ta-­Nb deposit Victor Sharygin's analytical data (2013) +1 other reference
Slovakia
Košice Region Rožňava District Betliar Július manganese occurrence Myšľan et al. (2024)
South Africa
North West Bojanala Platinum District Municipality Moses Kotane Local Municipality Pilanesberg Alkaline Ring Complex R. Liferovich -L. Horváth p.c. 2004
Tajikistan
Districts of Republican Subordination Dara-i-Pioz Massif Agakhanov et al. (2004)
Ukraine
Donetsk Oblast Volnovakha Raion Dmitrievskii quarry Victor V. Sharygin analytycal data (2013)
USA
Massachusetts Hampshire County Plainfield Betts Manganese Mines (Anson Betts Mine; Plainfield Manganese Mines; Taconic Manganese Mines) Plante (1992)
North Carolina Pitt County Fountain Fountain Quarry Handbook of Mineralogy (localities)