Ferropseudobrookite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Ferropseudobrookite
Formula:
Fe2+Ti4+2O5
Crystal System:
Orthorhombic
Member of:
Co-Type Localities:
Isostructural with:
Known as exsolution lamellae in terrestrial minerals, from meteorite chondrules, and as an abundant constituent of slag from smelting Ti-rich magnetite sands.
Unique Identifiers
Mindat ID:
40282
Long-form identifier:
mindat:1:1:40282:4
IMA Classification of Ferropseudobrookite
Approved
Approval history:
IMA 25-A –Ferropseudobrookite (approval), armalcolite (redefinition), pseudobrookite group (establishment)
Classification of Ferropseudobrookite
4.CB.15
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
Chemistry of Ferropseudobrookite
Mindat Formula:
Fe2+Ti4+2O5
Element Weights:
Elements listed:
Crystallography of Ferropseudobrookite
Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Space Group:
Cmcm
Setting:
Cmcm
Cell Parameters:
a = 9.8 Å, b = 3.7 Å, c = 10.0 Å
Ratio:
a:b:c = 2.649 : 1 : 2.703
Unit Cell V:
362.60 ų (Calculated from Unit Cell)
Type Occurrence of Ferropseudobrookite
Co-Type Localities:
Place of Conservation of Type Material:
neotype from Disko Island, Greenland, sample 176486, Natural History Museum of Denmark
lunar cotypes for ferropseudobrookite include the samples: 10022,37; 10071,28; 70017,125; 70215,152; 71569,54; and 74275,91; these are accessioned and stored in the Apollo lunar sample collection of the Lunar Sample Laboratory Facility at the NASA Johnson Space Center.
lunar cotypes for ferropseudobrookite include the samples: 10022,37; 10071,28; 70017,125; 70215,152; 71569,54; and 74275,91; these are accessioned and stored in the Apollo lunar sample collection of the Lunar Sample Laboratory Facility at the NASA Johnson Space Center.
Other Language Names for Ferropseudobrookite
Dutch:Ferropseudobrookiet
Relationship of Ferropseudobrookite to other Species
Member of:
Other Members of Pseudobrookite Group:
| Armalcolite | MgTi4+2O5 | Orth. mmm(2/m2/m2/m) |
| Griffinite | Al2Ti4+O5 | Orth. mmm(2/m2/m2/m) : Cmcm |
| Pseudobrookite | Fe3+2Ti4+O5 | Orth. mmm(2/m2/m2/m) : Cmcm |
| Sassite | Ti3+2Ti4+O5 | Orth. mmm(2/m2/m2/m) : Cmcm |
Related Minerals - Strunz-mindat Grouping
| 4.CB. | Magnesiohögbomite-6N12S | Mg5Al11TiO23(OH) |
| 4.CB. | Kidodite | BaMg2Fe16O27 |
| 4.CB. | Ferrohögbomite-2N2S | [(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2 |
| 4.CB. | Zhenruite | (MoO3)2 · H2O |
| 4.CB. | Fuyuanite | Mg7Nb6O18(OH)8 |
| 4.CB. | Virgilluethite | MoO3 · H2O |
| 4.CB. | Pengite | (Pb8Sb3+3)Σ11Sb5+9O35 |
| 4.CB.05 | Brizziite | NaSb5+O3 |
| 4.CB.05 | Tistarite | Ti3+2O3 |
| 4.CB.05 | Hematite | Fe2O3 |
| 4.CB.05 | Ecandrewsite | ZnTiO3 |
| 4.CB.05 | Melanostibite | Mn2+2Fe3+Sb5+O6 |
| 4.CB.05 | 'UM1998-11-O-AuHSb' | Au+2Sb3+O2(OH) |
| 4.CB.05 | Karelianite | V3+2O3 |
| 4.CB.05 | Corundum | Al2O3 |
| 4.CB.05 | Eskolaite | Cr2O3 |
| 4.CB.05 | Geikielite | MgTiO3 |
| 4.CB.05 | Akimotoite | MgSiO3 |
| 4.CB.05 | 'Unnamed (Fe-Cr Oxide)' | FeCrO3 |
| 4.CB.05 | 'Auroantimonate' | AuSbO3 |
| 4.CB.05 | Hemleyite | Fe2+SiO3 |
| 4.CB.05 | Ilmenite | Fe2+TiO3 |
| 4.CB.05 | Pyrophanite | Mn2+TiO3 |
| 4.CB.10 | Bixbyite-(Fe) | (Fe,Mn)2O3 |
| 4.CB.10 | Bixbyite-(Mn) | Mn3+2O3 |
| 4.CB.10 | Avicennite | Tl3+2O3 |
| 4.CB.15 | Armalcolite | MgTi4+2O5 |
| 4.CB.15 | Griffinite | Al2Ti4+O5 |
| 4.CB.15 | Pseudobrookite Group | |
| 4.CB.15 | Sassite | Ti3+2Ti4+O5 |
| 4.CB.15 | Pseudobrookite | Fe3+2Ti4+O5 |
| 4.CB.20 | Zincovelesite-6N6S | Zn3(Fe3+,Mn3+,Al,Ti)8O15(OH) |
| 4.CB.20 | Magnesiohögbomite-2N4S | (Mg8.43Fe2+1.57)Σ=10Al22Ti4+2O46(OH)2 |
| 4.CB.20 | Magnesiobeltrandoite-2N3S | (Mg6Al2)(Al18Fe3+2)O38(OH)2 |
| 4.CB.20 | Zincohögbomite-2N6S | [(Zn,Mg)7(Al,Fe3+,Ti)16O31(OH)]2 |
| 4.CB.20 | Magnesiohögbomite-6N6S | [(Mg,Fe2+)3(Al,Ti,Fe3+)8O15(OH)]6 |
| 4.CB.20 | Magnesiohögbomite-2N3S | [(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2 |
| 4.CB.20 | Magnesiohögbomite-2N2S | [(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2 |
| 4.CB.20 | 'Ferrohögbomite-6N12S' | [(Fe2+,Mg,Zn)5(Al,Ti,Fe3+)12O23(OH)]6 |
| 4.CB.20 | Zincohögbomite-2N2S | [(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(OH)]2 |
| 4.CB.25 | Kleberite | FeTi6O11(OH)5 |
| 4.CB.25 | Pseudorutile | Fe3+2Ti4+3O9 |
| 4.CB.30 | Oxyvanite | V3+2V4+O5 |
| 4.CB.30 | Berdesinskiite | V3+2TiO5 |
| 4.CB.30 | Kaitianite | Ti3+2Ti4+O5 |
| 4.CB.35 | Machiite | Al2Ti3O9 |
| 4.CB.35 | Vestaite | (Ti4+Fe2+)Ti4+3O9 |
| 4.CB.35 | Olkhonskite | (Cr,V)2Ti3O9 |
| 4.CB.35 | Schreyerite | V3+2Ti4+3O9 |
| 4.CB.40 | Zincorinmanite-(Zn) | Zn2Sb2(Fe3+4Zn2)O14(OH)2 |
| 4.CB.40 | Majindeite | Mg2Mo3O8 |
| 4.CB.40 | Almagreraite | CuZnMn4+3O8 |
| 4.CB.40 | Kamiokite | Fe2Mo3O8 |
| 4.CB.40 | Nolanite | V3+8Fe3+2O14(OH)2 |
| 4.CB.40 | Iseite | Mn2Mo3O8 |
| 4.CB.40 | Rinmanite | Zn2Sb2Mg2Fe4O14(OH)2 |
| 4.CB.45 | Stibioclaudetite | AsSbO3 |
| 4.CB.45 | Claudetite | As2O3 |
| 4.CB.50 | Senarmontite | Sb2O3 |
| 4.CB.50 | Arsenolite | As2O3 |
| 4.CB.55 | Valentinite | Sb2O3 |
| 4.CB.60 | Bismite | Bi2O3 |
| 4.CB.65 | Sphaerobismoite | Bi2O3 |
| 4.CB.70 | Sillénite | Bi12SiO20 |
| 4.CB.75 | Kyzylkumite | V3+Ti2O5(OH) |
| 4.CB.80 | 'Tietaiyangite' | Fe3+4Fe2+TiO9 |
| 4.CB.85 | Liuite | FeTiO3 |
| 4.CB.90 | Luogufengite | Fe2O3 |
| 4.CB.95 | Wangdaodeite | FeTiO3 |
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.
Internet Links for Ferropseudobrookite
mindat.org URL:
https://www.mindat.org/min-40282.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Ferropseudobrookite
Reference List:
Miyake, Akira, Hokada, Tomokazu (2013) First find of ferropseudobrookite in quartz from Napier Complex, East Antarctica. European Journal of Mineralogy, 25 (1) 33-38 doi:10.1127/0935-1221/2013/0025-2256
Localities for Ferropseudobrookite
Showing 13 localities.
Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Antarctica | |
| Akira MIYAKE et al. (2007) |
| Fujimaki Hirokazu (1981) |
Greenland (TL) | |
| Bosi et al. (2026) |
Madagascar | |
| - (2021) |
Mongolia | |
| Peretyazhko et al. (2024) |
Nigeria | |
| Sakoma et al. (2002) |
Russia | |
| Doroshkevich et al. (2007) |
| Ripp et al. (2019) |
Spain | |
| Kazheva et al. (2021) |
Ukraine | |
| Sharygin et al. (2011) |
| Cuney et al. (2012) |
The Moon (TL) | |
| Locock et al. (2026) |
| Locock et al. (2026) |


symbol to view information about a locality.
The
La Aljorra Quarries, La Aljorra, Cartagena, Murcia, Spain