Epistolite
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About Epistolite
Formula:
Na2(Nb,Ti)2(Si2O7)O2 · nH2O
Colour:
White, yellowish grey, pinkish beige, tan, silver on {001}
Lustre:
Silky, Pearly
Hardness:
2½ - 3
Crystal System:
Triclinic
Member of:
Name:
Name by Bøgghild (1899) after the greek word for letter, ἐπιστολή (epistolē), due to its flat rectangular form and white color.
Classification of Epistolite
Approved, 'Grandfathered' (first described prior to 1959)
8/C.0-20
9.BE.30
9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
56.2.7.1
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
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
17.8.1
17 : Silicates Containing other Anions
8 : Silicates with niobate or tantalate
17 : Silicates Containing other Anions
8 : Silicates with niobate or tantalate
Physical Properties of Epistolite
Silky, Pearly
Transparency:
Translucent, Opaque
Colour:
White, yellowish grey, pinkish beige, tan, silver on {001}
Hardness:
2½ - 3 on Mohs scale
Optical Data of Epistolite
Type:
Biaxial (-)
RI values:
nα = 1.610 nβ = 1.650 nγ = 1.682
2V:
Measured: 60° , Calculated: 80°
Max Birefringence:
δ = 0.072
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively strong
Chemical Properties of Epistolite
Formula:
Na2(Nb,Ti)2(Si2O7)O2 · nH2O
IMA Formula:
(Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4
Common Impurities:
Al,Ta,Fe,Mn,Mg,Ca,K,F,P
Crystallography of Epistolite
Crystal System:
Triclinic
Cell Parameters:
a = 5.41 Å, b = 7.08 Å, c = 12.07 Å
α = 103.03°, β = 96.03°, γ = 88.36°
α = 103.03°, β = 96.03°, γ = 88.36°
Ratio:
a:b:c = 0.764 : 1 : 1.705
Unit Cell V:
447.91 ų (Calculated from Unit Cell)
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0005940 | Epistolite | Sokolova E V, Hawthorne F C (2004) The crystal chemistry of epistolite The Canadian Mineralogist 42 797-806 |  | 2004 | 0 | 293 |
CIF Raw Data - click here to close
Type Occurrence of Epistolite
General Appearance of Type Material:
Silvery plates
Geological Setting of Type Material:
syenite pegmatite
Other Language Names for Epistolite
Relationship of Epistolite to other Species
Member of:
Other Members of this group:
| Barytolamprophyllite | (Ba,Na)2(Na,Ti,Fe3+)4Ti2(Si2O7)2O(OH,F) | Mon. |
| Bornemanite | Na6BaTi2Nb(Si2O7)2(PO4)O2(OH)F | Tric. 1 : P1 |
| Delindeite | (Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2O | Mon. |
| Emmerichite | Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2 | Mon. 2/m : B2/m |
| Fluorbarytolamprophyllite | (Ba,Sr)2[(Na,Fe2+)3(Ti,Mg)F2][Ti2(Si2O7)2O2] | Mon. 2/m : B2/m |
| Fluorlamprophyllite | Na3(SrNa)Ti3(Si2O7)2O2F2 | Mon. 2/m : B2/m |
| Innelite | Na2CaBa4Ti3(Si2O7)2(SO4)2O4 | Tric. 1 : P1 |
| Kazanskyite | BaNa3Ti2Nb(Si2O7)2O2(OH)2(H2O)4 | Tric. 1 : P1 |
| Lamprophyllite | (Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2 | Mon. |
| Lileyite | Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2 | Mon. 2/m : B2/m |
| Nabalamprophyllite | Na3(Ba,Na)2Ti3(Si2O7)2O2(OH,F)2 | Mon. 2/m |
| Nechelyustovite | (Ba,Sr,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(O,H2O,F)2 · 4.5H2O | Mon. 2/m : B2/m |
| Phosphoinnelite | Na3Ba4Ti3(Si2O7)2(PO4,SO4)2O2F | Tric. |
| Polyphite | Na5(Na4Ca2)Ti2(Si2O7)(PO4)3O2F2 | Tric. 1 : P1 |
| Saamite | Ba◻Na3Ti2Nb(Si2O7)2O2(OH)F(H2O)2 | Tric. 1 : P1 |
| Vuonnemite | Na11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH) | Tric. |
| Zvyaginite | NaZnNb2Ti[Si2O7]20(OH,F)3(H2O)4 + (x < 1) | Tric. 1 : P1 |
Common Associates
Associated Minerals Based on Photo Data:
| 6 photos of Epistolite associated with Raite | Na4Mn2+3Ti0.25Si8O20(OH)2 · 10H2O |
| 6 photos of Epistolite associated with Serandite | NaMn2+2Si3O8(OH) |
| 4 photos of Epistolite associated with Manganoneptunite | Na2KLiMn2+2Ti2Si8O24 |
| 4 photos of Epistolite associated with Steenstrupine-(Ce) | Na14Mn2+2Fe3+2Ce6Zr(Si6O18)2(PO4)6(PO3OH)(OH)2 · 2H2O |
| 3 photos of Epistolite associated with Ussingite | Na2AlSi3O8OH |
| 3 photos of Epistolite associated with Aegirine | NaFe3+Si2O6 |
| 3 photos of Epistolite associated with Lovozerite Group | A3D3G2M(HxSi6O18) · nH2O (x = 0-6) |
| 2 photos of Epistolite associated with Ferronordite-(Ce) | Na3SrCeFe2+Si6O17 |
| 2 photos of Epistolite associated with Ferronordite-(La) | Na3Sr(La,Ce)FeSi6O17 |
| 2 photos of Epistolite associated with Magnesio-arfvedsonite | {Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2 |
Related Minerals - Nickel-Strunz Grouping
| 9.BE. | Betalomonosovite | Na6◻4Ti4(Si2O7)2[PO3OH][PO2(OH)2]O2(OF) | Tric. 1 : P1 |
| 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 : P1 |
| 9.BE. | Batievaite-(Y) | Y2Ca2Ti(Si2O7)2(OH)2(H2O)4 | Tric. 1 : P1 |
| 9.BE. | Delhuyarite-(Ce) | Ce4Mg(Fe3+,W)3◻(Si2O7)2O6(OH)2 | Mon. 2/m : B2/m |
| 9.BE.X | Asimowite | Fe2+4O(Si2O7) | Orth. mmm (2/m 2/m 2/m) : Imma |
| 9.BE.02 | Wadsleyite | Mg4O(Si2O7) | Orth. |
| 9.BE.05 | Hennomartinite | SrMn3+2(Si2O7)(OH)2 · H2O | Orth. |
| 9.BE.05 | Lawsonite | CaAl2(Si2O7)(OH)2 · H2O | Orth. mmm (2/m 2/m 2/m) : Cmcm |
| 9.BE.05 | Noelbensonite | BaMn3+2(Si2O7)(OH)2 · H2O | Orth. mm2 |
| 9.BE.05 | Itoigawaite | SrAl2(Si2O7)(OH)2 · H2O | Orth. |
| 9.BE.07 | Ilvaite | CaFe3+Fe2+2(Si2O7)O(OH) | Orth. mmm (2/m 2/m 2/m) |
| 9.BE.07 | Manganilvaite | CaFe2+Fe3+Mn2+(Si2O7)O(OH) | Mon. 2/m : P21/b |
| 9.BE.10 | Suolunite | Ca2(H2Si2O7) · H2O | Orth. |
| 9.BE.12 | Jaffeite | Ca6(Si2O7)(OH)6 | Trig. 3 : P3 |
| 9.BE.15 | Fresnoite | Ba2Ti(Si2O7)O | Tet. 4mm : P4bm |
| 9.BE.17 | Baghdadite | Ca6Zr2(Si2O7)2O4 | Mon. 2/m : P21/b |
| 9.BE.17 | Burpalite | Na2CaZr(Si2O7)F2 | Mon. |
| 9.BE.17 | Cuspidine | Ca4(Si2O7)(F,OH)2 | Mon. 2/m : P21/b |
| 9.BE.17 | Hiortdahlite | Na2Ca4(Ca0.5Zr0.5)Zr(Si2O7)2OF3 | Tric. 1 : P1 |
| 9.BE.17 | Janhaugite | (Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2 | Mon. 2/m : P21/m |
| 9.BE.17 | Låvenite | (Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2 | Mon. 2/m : P21/b |
| 9.BE.17 | Niocalite | (Ca,Nb)4(Si2O7)(O,OH,F)2 | Mon. |
| 9.BE.17 | Normandite | NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF | Mon. 2/m : P21/b |
| 9.BE.17 | Wöhlerite | NaCa2(Zr,Nb)(Si2O7)(O,OH,F)2 | Mon. 2 : P21 |
| 9.BE.17 | Hiortdahlite I | Na4Ca8Zr2(Nb,Mn,Ti,Fe,Mg,Al)2(Si2O7)4O3F5 | Tric. 1 : P1 |
| 9.BE.20 | Mosandrite-(Ce) | (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2 | Mon. 2/m : P21/b |
| 9.BE.20 | Nacareniobsite-(Ce) | NbNa3Ca3(Ce,REE )(Si2O7)2OF3 | Mon. |
| 9.BE.22 | Götzenite | NaCa6Ti(Si2O7)2OF3 | Tric. 1 : P1 |
| 9.BE.22 | Hainite-(Y) | Na2Ca4(Y,REE)Ti(Si2O7)2OF3 | Tric. 1 : P1 |
| 9.BE.22 | Rosenbuschite | Na6Ca6Zr3Ti(Si2O7)4O2F6 | Tric. 1 : P1 |
| 9.BE.22 | Kochite | Na3Ca2MnZrTi(Si2O7)2OF3 | Tric. 1 : P1 |
| 9.BE.23 | Dovyrenite | Ca6Zr(Si2O7)2(OH)4 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
| 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 : B2/m |
| 9.BE.25 | Lamprophyllite | (Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2 | Mon. |
| 9.BE.25 | Ericssonite-2O | BaMn2+2Fe3+(Si2O7)O(OH) | Orth. |
| 9.BE.25 | Seidozerite | Na4MnZr2Ti(Si2O7)2O2F2 | Mon. |
| 9.BE.25 | Nabalamprophyllite | Na3(Ba,Na)2Ti3(Si2O7)2O2(OH,F)2 | Mon. 2/m |
| 9.BE.25 | Grenmarite | Na4MnZr3(Si2O7)2O2F2 | Mon. 2/m : P2/b |
| 9.BE.25 | Schüllerite | Ba2Na(Mn,Ca)(Fe3+,Mg,Fe2+)2Ti2(Si2O7)2(O,F)4 | Tric. 1 : P1 |
| 9.BE.25 | Lileyite | Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2 | Mon. 2/m : B2/m |
| 9.BE.25 | Emmerichite | Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2 | Mon. 2/m : B2/m |
| 9.BE.25 | Fluorbarytolamprophyllite | (Ba,Sr)2[(Na,Fe2+)3(Ti,Mg)F2][Ti2(Si2O7)2O2] | Mon. 2/m : B2/m |
| 9.BE.27 | Murmanite | Na2Ti2(Si2O7)O2 · 2H2O | Tric. |
| 9.BE.32 | Lomonosovite | Na5Ti2(Si2O7)(PO4)O2 | Tric. 1 : P1 |
| 9.BE.35 | Vuonnemite | Na11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH) | Tric. |
| 9.BE.37 | Sobolevite | Na13Ca2Mn2Ti3(Si2O7)2(PO4)4O3F3 | Mon. m : Pb |
| 9.BE.40 | Innelite | Na2CaBa4Ti3(Si2O7)2(SO4)2O4 | Tric. 1 : P1 |
| 9.BE.40 | Phosphoinnelite | Na3Ba4Ti3(Si2O7)2(PO4,SO4)2O2F | Tric. |
| 9.BE.42 | Yoshimuraite | Ba2Mn2Ti(Si2O7)(PO4)O(OH) | Tric. 1 : P1 |
| 9.BE.45 | Quadruphite | Na14Ca2Ti4(Si2O7)2(PO4)2O2F | Tric. |
| 9.BE.47 | Polyphite | Na5(Na4Ca2)Ti2(Si2O7)(PO4)3O2F2 | Tric. 1 : P1 |
| 9.BE.50 | Bornemanite | Na6BaTi2Nb(Si2O7)2(PO4)O2(OH)F | Tric. 1 : P1 |
| 9.BE.50 | Shkatulkalite | Na5(Nb1-xTix)2(Ti1-yMn2+y)[Si2O7]2O2(OH)2 · nH2O | Mon. 2/m : P2/m |
| 9.BE.55 | Bafertisite | Ba2Fe2+4Ti2(Si2O7)2O2(OH)2F2 | Tric. |
| 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 : B2/m |
| 9.BE.60 | Delindeite | (Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2O | Mon. |
| 9.BE.65 | Bussenite | Na2Ba2Fe2+Ti(Si2O7)(CO3)(OH)3F | Tric. 1 : P1 |
| 9.BE.67 | Jinshajiangite | BaNaFe2+4Ti2(Si2O7)2O2(OH)2F | Tric. 1 : P1 |
| 9.BE.67 | Perraultite | BaNaMn2+4Ti2(Si2O7)2O2(OH)2F | Mon. 2/m : B2/m |
| 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 : P21/b |
| 9.BE.70 | Strontiochevkinite | (Sr,La,Ce,Ca)4Fe2+(Ti,Zr)2Ti2(Si2O7)2O8 | Mon. |
| 9.BE.70 | Chevkinite-(Ce) | (Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8 | Mon. 2/m : P21/b |
| 9.BE.70 | Polyakovite-(Ce) | (Ce,Ca)4(Mg,Fe2+)(Cr3+,Fe3+)2(Ti,Nb)2(Si2O7)2O8 | Mon. 2/m : B2/m |
| 9.BE.70 | Rengeite | Sr4ZrTi4(Si2O7)2O8 | Mon. 2/m : P21/b |
| 9.BE.70 | Matsubaraite | Sr4Ti5(Si2O7)2O8 | Mon. 2/m : P21/b |
| 9.BE.70 | Dingdaohengite-(Ce) | (Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe2+)2Ti2(Si2O7)2O8 | Mon. 2/m : P21/b |
| 9.BE.70 | Maoniupingite-(Ce) | (Ce,Ca)4(Fe3+,Ti,Fe2+,◻)(Ti,Fe3+,Fe2+,Nb)4(Si2O7)2O8 | Mon. 2/m : B2/m |
| 9.BE.70 | Perrierite-(La) | (La,Ce,Ca)4(Fe,Mn2+,Mg)Fe3+2(Ti,Fe3+)2(Si2O7)2O8 | Mon. 2/m : P21/b |
| 9.BE.70 | UM2008-53-SiO:SrTiZr | Sr4ZrTi4(Si2O7)2O8 | Orth. mmm (2/m 2/m 2/m) : Pbca |
| 9.BE.70 | Hezuolinite | (Sr,REE)4Zr(Ti,Fe3+)4(Si2O7)2O8 | Mon. 2/m : B2/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. |
| 9.BE.77 | Nasonite | Pb6Ca4(Si2O7)3Cl2 | Hex. |
| 9.BE.80 | Kentrolite | Pb2Mn3+2(Si2O7)O2 | Orth. mmm (2/m 2/m 2/m) : Pbcm |
| 9.BE.80 | Melanotekite | Pb2Fe3+2(Si2O7)O2 | Orth. 2 2 2 : C2 2 21 |
| 9.BE.82 | Tilleyite | Ca5(Si2O7)(CO3)2 | Mon. |
| 9.BE.85 | Killalaite | Ca6.4(H0.6Si2O7)2(OH)2 | Mon. |
| 9.BE.87 | Stavelotite-(La) | (La,Nd,Ca)3Mn2+3Cu(Mn3+,Fe3+,Mn4+)26(Si2O7)6O30 | Trig. 3 : P31 |
| 9.BE.90 | Biraite-(Ce) | Ce2Fe2+(Si2O7)(CO3) | Mon. 2/m : P21/b |
| 9.BE.92 | Cervandonite-(Ce) | (Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH) | Trig. 3m : R3m |
| 9.BE.95 | Batisivite | BaV3+8Ti6(Si2O7)O22 | Tric. 1 : P1 |
Related Minerals - Dana Grouping (8th Ed.)
| 56.2.7.2 | Murmanite | Na2Ti2(Si2O7)O2 · 2H2O | Tric. |
| 56.2.7.2 | Ferriallanite-(La) | {CaLa}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
Related Minerals - Hey's Chemical Index of Minerals Grouping
| 17.8.2 | Murmanite | Na2Ti2(Si2O7)O2 · 2H2O | Tric. |
| 17.8.3 | Perraultite | BaNaMn2+4Ti2(Si2O7)2O2(OH)2F | Mon. 2/m : B2/m |
| 17.8.4 | Niocalite | (Ca,Nb)4(Si2O7)(O,OH,F)2 | Mon. |
| 17.8.5 | Mongolite | Ca4Nb6Si5O24(OH)10 · nH2O | Tet. |
| 17.8.6 | Fersmanite | Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3 | Tric. |
| 17.8.7 | Nacareniobsite-(Ce) | NbNa3Ca3(Ce,REE )(Si2O7)2OF3 | Mon. |
| 17.8.8 | Nenadkevichite | (Na,◻)8Nb4(Si4O12)2(O,OH)4 · 8H2O | Orth. mmm (2/m 2/m 2/m) : Pbam |
| 17.8.9 | Natrokomarovite | (Na,Ca,H)2Nb2Si2O10(OH,F)2 · H2O | Orth. |
| 17.8.10 | Wöhlerite | NaCa2(Zr,Nb)(Si2O7)(O,OH,F)2 | Mon. 2 : P21 |
| 17.8.11 | Belkovite | Ba3(Nb,Ti)6(Si2O7)2O12 | Hex. |
| 17.8.12 | Baotite | Ba4(Ti,Nb,W)8O16(SiO3)4Cl | Tet. 4/m : I41/a |
| 17.8.13 | Shcherbakovite | (K,Ba)KNa(Ti,Nb)2(Si4O12)O2 | Orth. |
| 17.8.14 | Ilímaussite-(Ce) | (Na,K)7-8(Ba,K)10Ce5(Nb,Ti)6(Si3O9)4(Si9O18)O6(O,OH)24 | Trig. 3 2 : R3 2 |
| 17.8.15 | Komarovite | (Ca,Mn)(Nb,Ti)2[Si2O7](O,F)3 · 3.5H2O | Orth. |
| 17.8.16 | Manganbelyankinite | (Mn,Ca)(Ti,Nb)5O12 · 9H2O | |
| 17.8.17 | Niobophyllite | (K,Na)3(Fe,Mn)6(Nb,Ti)2Si8(O,OH,F)31 | Tric. |
| 17.8.18 | Caesium-Kupletskite | (Cs,K,Na)3(Mn,Fe2+)7(Ti,Nb)2Si8O24(O,OH,F)7 |
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 Epistolite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bøgghild, O.B. (1899): Epistolite, a new mineral. p.183-190 in Part II, On some minerals from the Nepheline-Syenite at Julianehaab, Greenland (Epistolite, Britholite, Schizolite and Steenstrupite)collected by G. Flink. In: Flink, G., Bøgghild, O.B., and Winther, C. (1901): Undersøgelser af Mineraler fra Julianehaab indsamlet af G. Flink 1897. Meddelelser om Grønland, 24, 1-213.
Neues Jahrbuch für Mineralogie, Abhandlungen (1986): 155: 289.
Sokolova, E. & Hawthorne F. C. (2004): The crystal chemistry of epistolite. Canadian Mineralogist, 42, 797-806.
Németh, P., Ferraris, G., Radnóczi, G., Ageeva, O. A. (2005): TEM and X-ray study of syntactic intergrowths of epistolite, murmanite and shkatulkalite. Canadian Mineralogist, 43, 973-987.
Sokolova, E. & Camara, F. (2017): The seidozerite supergroup of TS-block minerals: nomenclature and classification, with change of the following names: rinkite to rinkite-(Ce), mosandrite to mosandrite-(Ce), hainite to hainite-(Y) and innelite-1T to innelite-1A. Mineralogical Magazine: 81: 1457–1484
Internet Links for Epistolite
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Localities for Epistolite
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- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Canada | |
| GRICE, J.D. (1989) Mont Saint-Hilaire, Quebec: Canada's Most Diverse Mineral Locality. In: Famous mineral localities of Canada. Published by Fitzhenry & Whiteside Limited & the National Museum of Natural Sciences, 190 pages: 100-108; 166-175.; HORVÁTH, L., GAULT, R.A. (1990) The mineralogy of Mont Saint-Hilaire. Mineralogical Record, 21, 281-359. |
| HORVÁTH, L., PFENNINGER HORVÁTH, E., GAULT, R.A., and TARASSOFF, P. (1998) Mineralogy of the Saint Amable sill, Varennes and Saint Amable, Québec, Canada. Mineralogical Record, 29, 83 118. |
| Horváth, L., Pfenninger-Horváth, E., Gault, R. A., & Tarassoff, P. (1998): Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Québec. Mineralogical Record, 29: 83-118. | |
Greenland | |
| Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33 |
| Pavel Karthasov photo, (photo-203416) |
| Pekov, I.V. et. al. (2004): Potassic-Arfvedsonite a K-dominant Amphibole of the Arfvedsonite-series from agpaitic pegmatites, Neues Jahrbuch Mineralogie, Monatshefte, Vol. 12, 555-574 |
| Petersen, O., Giester, G., Brandstätter, F., Niedermayr, G. (2002): Nabesite, a new mineral species from the Ilimaussaq alkaline complex, Canadian Mineralogist, Vol. 40, 173-181 | |
| Peterson, O., Johnson, O. Leonardsen, E., Roensbo, J. (1984): Kvanefjeldite a new mineral species from the Ilimaussaq alkaline complex, South West Greenland, Canadian Mineralogist, Vol. 22, 465-467 |
| Petersen, O.V., Giester, G., Brandstätter, F., Niedermayr, G. (2002): Nabesite, a new mineral species from the Ilimaussaq alkaline complex. Canadian Mineralogist. 40, 173-181 | |
| Semenov, E.I., Kazakova, M.E., Bukin, V.J. (1968): Ilimaussite, a new rare earth – niobium – barium silicate, from Ilimaussaq, South Greenland, Medd. Groenland, Vol. 181 (7), 3-7 |
| in the collection of Christof Schäfer | |
| Sørensen, H. (1962): On the occurence of Steenstrupine in the Ilimaussaq massif, southwest Greenland. Meddelelser om Grønland. 167. Reitzels Forlag København. 251 p. |
| Bøgghild, O.B. (1899): Epistolite, a new mineral. p.183-190 in Part II, On some minerals from the Nepheline-Syenite at Julianehaab, Greenland (Epistolite, Britholite, Schizolite and Steenstrupite)collected by G. Flink. In: Flink, G., Bøgghild, O.B., and Winther, C. (1901): Undersøgelser af Mineraler fra Julianehaab indsamlet af G. Flink 1897. Meddelelser om Grønland, 24, 1-213; Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. |
Russia | |
| Maggie Wilson; Yakovenchik, V.N., Ivaniuk, G.Yu., Pakhomovsky, Ya.A., Selivanova, E.A., Men'shikov, Yu.P., Korchak, J.A., Krivovichev, S.V., Spiridonova, D.V., Zalkind, O.A. (2010): Punkaruaivite, Li{Ti2(OH)2[Si4O11(OH)]}•H2O, a new mineral species from hydrothermalites of Khibiny and Lovozero alkaline massifs (Kola Peninsula, Russia). Canadian Mineralogist, 48, 41-50. |
| Victor Grishin's collection |
| Zapiski Vserossijskogo Mineralogicheskogo Obshchestva 130, issue 2, 53-58 | |
| Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58). | |
| Pekov, I. V. (2000) Lovozero Massif - History, Pegmatites, Minerals. Ocean Pictures LTD: Moscow 2000. | |
| Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow |
| Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Yakovenchuk, V. N., Ivanyuk, G. Y., Krivovichev, S. V., Pakhomovsky, Y. A., Selivanova, E. A., Korchak, J. A., ... & Zalkind, O. A. (2011). Eliseevite, Na1. 5Li [Ti2Si4O12. 5 (OH) 1.5]∙ 2H2O, a new microporous titanosilicate from the Lovozero alkaline massif (Kola Peninsula, Russia). American Mineralogist, 96(10), 1624-1629. | |
| Ermolaeva, V.N., Pekov, I.V., Chukanov, N.V., Zadov, A.E. (2007): Geology of Ore Deposits 49(8), 758-775. | |
| Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow |
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada