Perraultite
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About Perraultite
Formula:
BaNaMn2+4Ti2(Si2O7)2O2(OH)2F
Colour:
Orange brown
Lustre:
Vitreous
Hardness:
6½
Specific Gravity:
3.71
Crystal System:
Monoclinic
Member of:
Name:
Named after Guy Perrault (1937-) of the École Polytechnique, Montreal, Canada.
Classification of Perraultite
Approved
Approval Year:
1984
8/C.13-100
9.BE.67
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
78.1.5.2
78 : Unclassified Silicates
1 : Miscellaneous
78 : Unclassified Silicates
1 : Miscellaneous
17.8.3
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 Perraultite
Vitreous
Transparency:
Transparent, Translucent
Colour:
Orange brown
Streak:
Light brown
Hardness:
6½ on Mohs scale
Fracture:
Irregular/Uneven
Density:
3.71 g/cm3 (Measured) 3.67 g/cm3 (Calculated)
Optical Data of Perraultite
Type:
Biaxial (-)
RI values:
nα = 1.785 nβ = 1.810 nγ = 1.820
2V:
Measured: 64° to 66°, Calculated: 62°
Max Birefringence:
δ = 0.035
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:
Very High
Dispersion:
extreme
Chemical Properties of Perraultite
Formula:
BaNaMn2+4Ti2(Si2O7)2O2(OH)2F
IMA Formula:
BaNaMn4Ti2(Si2O7)2O2(OH)2F
Idealised Formula:
(Na,Ca)(Ba,K)(Mn,Fe)4(Ti,Nb)2Si4O16(OH,F,O)3
Common Impurities:
Zr,Al,Fe,Mg
Crystallography of Perraultite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
B2/m
Cell Parameters:
a = 10.731 Å, b = 13.841 Å, c = 27.272 Å
β = 121.19°
β = 121.19°
Ratio:
a:b:c = 0.775 : 1 : 1.97
Unit Cell V:
3083.97 ų
Z:
4
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 10.43 | (40) |
| 3.573 | (10) |
| 3.474 | (100) |
| 3.186 | (10) |
| 2.867 | (10) |
| 2.789 | (10) |
| 2.606 | (40) |
| 2.084 | (10) |
Type Occurrence of Perraultite
Synonyms of Perraultite
Other Language Names for Perraultite
German:Perraultit
Spanish:Perraultita
Relationship of Perraultite to other Species
Member of:
Other Members of this group:
| Bobshannonite | Na2KBa(Mn,Na)8(Nb,Ti)4(Si2O7)4O4(OH)4(O,F)2 | Tric. |
| Jinshajiangite | BaNaFe2+4Ti2(Si2O7)2O2(OH)2F | Mon. 2/m |
| Surkhobite | NaCaBa2Mn8Ti4(Si2O7)4O5F5 |
Common Associates
Associated Minerals Based on Photo Data:
| Albite | 3 photos of Perraultite associated with Albite on mindat.org. |
| Hastingsite | 2 photos of Perraultite associated with Hastingsite on mindat.org. |
| Zircon | 2 photos of Perraultite associated with Zircon on mindat.org. |
| Microcline | 1 photo of Perraultite associated with Microcline on mindat.org. |
| Aegirine | 1 photo of Perraultite associated with Aegirine on mindat.org. |
Related Minerals - Nickel-Strunz Grouping
| 9.BE.02 | Wadsleyite | (Mg,Fe2+)2(SiO4) | 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. |
| 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. |
| 9.BE.17 | Baghdadite | Ca3(Zr,Ti)(Si2O7)O2 | Mon. |
| 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 | (Na,Ca)2Ca4Zr(Mn,Ti,Fe)(Si2O7)2(F,O)4 | Tric. |
| 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 | |
| 9.BE.17 | Marianoite | Na2Ca4(Nb,Zr)2(Si2O7)2(O,F)4 | Mon. 2 : P21 |
| 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.27 | Murmanite | Na2Ti2(Si2O7)O2 · 2H2O | Tric. |
| 9.BE.30 | Epistolite | Na2(Nb,Ti)2(Si2O7)O2 · nH2O | Tric. |
| 9.BE.32 | Lomonosovite | Na5Ti2(Si2O7)(PO4)O2 | Tric. |
| 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 (x + y = 0.5; n ≤ 10) | Mon. |
| 9.BE.55 | Bafertisite | Ba2Fe2+4Ti2(Si2O7)2O2(OH)2F2 | Tric. |
| 9.BE.55 | Hejtmanite | Ba2(Mn2+,Fe2+)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 | Mon. 2/m |
| 9.BE.67 | Surkhobite | NaCaBa2Mn8Ti4(Si2O7)4O5F5 | |
| 9.BE.70 | Karnasurtite-(Ce) | (Ce,La,Th)(Ti,Nb)(Al,Fe)(Si2O7)(OH)4 · 3H2O | |
| 9.BE.70 | Perrierite-(Ce) | Ce4MgFe3+2Ti2(Si2O7)2O8 | |
| 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. |
| 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 | UKI-2008-(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. |
| 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.)
| 78.1.5.1 | Jinshajiangite | BaNaFe2+4Ti2(Si2O7)2O2(OH)2F | Mon. 2/m |
Related Minerals - Hey's Chemical Index of Minerals Grouping
| 17.8.1 | Epistolite | Na2(Nb,Ti)2(Si2O7)O2 · nH2O | Tric. |
| 17.8.2 | Murmanite | Na2Ti2(Si2O7)O2 · 2H2O | Tric. |
| 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 | Ba4Ti8Si4O28Cl | 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)Nb2[O3|Si2O7] · 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 Perraultite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chao, G.Y. (1991) Perraultite, a new hydrous sodium-potassium-barium-manganese-titanium-niobium silicate species from Mont Saint-Hilaire, Quebec. Canadian Mineralogist: 29: 355-358.
Yamnova, N.A., Egorov-Tismenko, Yu.K., and Pekov, I.V. (1998) Crystal structure of perraultite from the Coastal Region of the Sea of Azov. Crystallography Reports: 41: 401-410.
Pekov, I.V., Belovitskaya, Yu.V., Kartashov, P.M., Chukanov, N.V., Yamnova, N.A., and Egorov-Tismenko, Yu.K. (1999) New data on perraultite (from the Azov Region). Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 127(1): 112-120 (in Russian).
Jambor, J.L. and Roberts, A.C. (2001) New mineral names. American Mineralogist: 86: 197-200.
Sokolova, E., Cámara, F., Hawthorne, F.C., and Abdu, Y. (2009) From structure topology to chemical composition. VII. Titanium silicates: the crystal structure and crystal chemistry of jinshajiangite. European Journal of Mineralogy: 21: 871-883.
Internet Links for Perraultite
mindat.org URL:
https://www.mindat.org/min-3167.html
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Localities for Perraultite
ⓘ - 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.
- 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).
All localities listed without proper references should be considered as questionable.
Canada (TL) | |
| CHAO, G.Y. (1991): Perraultite, a new hydrous Na-K-Ba-Mn-Ti-Nb silicate species from Mont Saint-Hilaire, Quebec. Canadian Mineralogist 29, 355-358. YAMNOVA, N.A., EGOROV-TISMENKO,YU.K. & PEKOV, I.V. (1998): Crystal structure of perraultite from the coastal region of the Sea of Azov. Crystallography Reports 41, 401-410. |
Ukraine | |
| Sharygin, V.V. (2015): Zincian micas from peralkaline phonolites of the Oktyabrsky massif, Azov Sea region, Ukrainian Shield. European Journal of Mineralogy: 27(4): 521-533 |
| Pekov, I.V., Belovitskaya, Yu.V., Kartashov, P.M., Chukanov, N.V., Yamnova, N.A., and Egorov-Tismenko, Yu.K. (1999) New data on perraultite (from the Azov Region) Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 127(1): 112-120 (in Russian).; Jambor, J.L. and Roberts, A.C. (2001) New mineral names. American Mineralogist: 86: 197-200. |
Dmitrievskii quarry, Oktyabr'skii Massif, Azov Sea Region, Donetsk (Donets'k) Oblast', Ukraine