Unnamed (Fe-Cr Oxide)
A material that is NOT an approved mineral species
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This page provides mineralogical data about Unnamed (Fe-Cr Oxide).
Unique Identifiers
Mindat ID:
46740
Long-form identifier:
mindat:1:1:46740:5
GUID
(UUID V4):
(UUID V4):
75e58d81-7b66-478a-84b1-81c924e72826
Classification of Unnamed (Fe-Cr Oxide)
4.CB.05
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 Unnamed (Fe-Cr Oxide)
Mindat Formula:
FeCrO3
Elements listed:
Crystallography of Unnamed (Fe-Cr Oxide)
Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
R3
Cell Parameters:
a = 5.0770(4) Å, c = 13.9621(14) Å
Ratio:
a:c = 1 : 2.75
Unit Cell V:
311.67 ų
Relationship of Unnamed (Fe-Cr Oxide) to other Species
Member of:
Other Members of this group:
Akimotoite | (Mg,Fe2+)SiO3 | Trig. 3 : R3 |
Ecandrewsite | (Zn,Fe2+,Mn2+)TiO3 | Trig. 3 : R3 |
Geikielite | MgTiO3 | Trig. 3 : R3 |
Hemleyite | (Fe2+0.48Mg0.37Ca0.04Na0.04Mn2+0.03Al0.03Cr3+0.01)sum=1.00Si1.00O3 | Trig. 3 : R3 |
Ilmenite | Fe2+TiO3 | Trig. 3 : R3 |
Pyrophanite | Mn2+TiO3 | Trig. 3 : R3 |
Related Minerals - Strunz-mindat Grouping
4.CB. | Ferrohögbomite-2N2S | [(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2 |
4.CB. | Magnesiohögbomite-6N12S | Mg5Al11TiO23(OH) |
4.CB. | Zhenruite | (MoO3)2 · H2O |
4.CB. | Pengite | (Pb8Sb3+3)Σ11Sb5+9O35 |
4.CB. | Virgilluethite | MoO3 · H2O |
4.CB.05 | Brizziite | NaSb5+O3 |
4.CB.05 | Corundum | Al2O3 |
4.CB.05 | Ecandrewsite | (Zn,Fe2+,Mn2+)TiO3 |
4.CB.05 | Eskolaite | Cr2O3 |
4.CB.05 | Geikielite | MgTiO3 |
4.CB.05 | Hematite | Fe2O3 |
4.CB.05 | Ilmenite | Fe2+TiO3 |
4.CB.05 | Karelianite | V3+2O3 |
4.CB.05 | Melanostibite | Mn2+2Fe3+Sb5+O6 |
4.CB.05 | Pyrophanite | Mn2+TiO3 |
4.CB.05 | Akimotoite | (Mg,Fe2+)SiO3 |
4.CB.05 | Auroantimonate | AuSbO3 |
4.CB.05 | UM1998-11-O-AuHSb | Au+2Sb3+O2(OH) |
4.CB.05 | Tistarite | Ti3+2O3 |
4.CB.05 | Hemleyite | (Fe2+0.48Mg0.37Ca0.04Na0.04Mn2+0.03Al0.03Cr3+0.01)sum=1.00Si1.00O3 |
4.CB.10 | Avicennite | Tl2O3 |
4.CB.10 | Bixbyite-(Mn) | Mn3+2O3 |
4.CB.10 | Bixbyite-(Fe) | (Fe,Mn)2O3 |
4.CB.15 | Armalcolite | (Mg,Fe2+)Ti2O5 |
4.CB.15 | Sassite | Ti3+2Ti4+O5 |
4.CB.15 | Pseudobrookite | Fe2TiO5 |
4.CB.15 | Ferropseudobrookite | Fe2+Ti2O5 |
4.CB.15 | Griffinite | Al2TiO5 |
4.CB.15 | Pseudobrookite Group | |
4.CB.20 | Zincohögbomite-2N2S | [(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(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 | Magnesiohögbomite-2N4S | (Mg8.43Fe2+1.57)sum=10Al22Ti4+2O46(OH)2 |
4.CB.20 | Magnesiobeltrandoite-2N3S | (Mg6Al2)(Al18Fe3+2)O38(OH)2 |
4.CB.20 | Zincovelesite-6N6S | Zn3(Fe3+,Mn3+,Al,Ti)8O15(OH) |
4.CB.25 | Pseudorutile | Fe2Ti3O9 |
4.CB.25 | Kleberite | FeTi6O11(OH)5 |
4.CB.30 | Berdesinskiite | V3+2TiO5 |
4.CB.30 | Oxyvanite | V3+2V4+O5 |
4.CB.30 | Kaitianite | Ti3+2Ti4+O5 |
4.CB.35 | Olkhonskite | (Cr,V)2Ti3O9 |
4.CB.35 | Schreyerite | V3+2Ti3O9 |
4.CB.35 | Machiite | Al2Ti3O9 |
4.CB.35 | Vestaite | (Ti4+Fe2+)Ti4+3O9 |
4.CB.40 | Kamiokite | Fe2Mo3O8 |
4.CB.40 | Nolanite | V3+8Fe3+2O14(OH)2 |
4.CB.40 | Rinmanite | Zn2Sb2Mg2Fe4O14(OH)2 |
4.CB.40 | Iseite | Mn2Mo3O8 |
4.CB.40 | Majindeite | Mg2Mo3O8 |
4.CB.45 | Claudetite | As2O3 |
4.CB.45 | Stibioclaudetite | AsSbO3 |
4.CB.50 | Arsenolite | As2O3 |
4.CB.50 | Senarmontite | Sb2O3 |
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 Unnamed (Fe-Cr Oxide)
mindat.org URL:
https://www.mindat.org/min-46740.html
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References for Unnamed (Fe-Cr Oxide)
Localities for Unnamed (Fe-Cr Oxide)
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).
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.
All localities listed without proper references should be considered as questionable.
Mexico | |
| M. A. Pérez-Cruz et al. (2015) |