Wangdaodeite
A valid IMA mineral species
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About Wangdaodeite
Formula:
FeTiO3
Colour:
Gray (in reflected polarized light)
Hardness:
5 - 5½
Specific Gravity:
4.72 (Calculated)
Crystal System:
Trigonal
Name:
Named in honor of Daode Wang (王道德), Department of Meteoritics and Cosmochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences (CAS), for the systematic study of Chinese meteorites in general and Antarctic meteorites in particular.
Type Locality:
A high-pressure high-temperature polymorph with a LiNbO3-type structure. The P–T conditions for the formation of wangdaodeite are estimated to be 20–24 GPa and >1200°C.
Unique Identifiers
Mindat ID:
47800
Long-form identifier:
mindat:1:1:47800:3
IMA Classification of Wangdaodeite
Approved
IMA Formula:
Fe2+Ti4+O3
Approval year:
2016
First published:
2020
Classification of Wangdaodeite
4.CB.95
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
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Wdd | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Wangdaodeite
Colour:
Gray (in reflected polarized light)
Hardness:
5 - 5½ on Mohs scale
Comment:
Estimated by similar relief to associated ilmenite of polished section
Cleavage:
None Observed
Parting:
None observed
Density:
4.72 g/cm3 (Calculated)
Chemistry of Wangdaodeite
Mindat Formula:
FeTiO3
Element Weights:
Elements listed:
Crystallography of Wangdaodeite
Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3c
Cell Parameters:
a = 5.13(1) Å, c = 13.78(1) Å
Ratio:
a:c = 1 : 2.686
Unit Cell V:
314.06 ų (Calculated from Unit Cell)
Comment:
LiNbO3-type FeTiO3 can be conserved at ambient pressure and has found attention in solid state physics because of its multiferroic behavior
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.745 Å | (72) |
| 2.715 Å | (100) |
| 2.562 Å | (89) |
| 2.231 Å | (57) |
| 1.859 Å | (59) |
| 1.619 Å | (41) |
| 1.507 Å | (44) |
| 1.479 Å | (38) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 2: Planetesimal differentiation and alteration | 4.566-4.550 |
| 6 : Secondary asteroid phases | 4.566-4.560 |
| Near-surface Processes | |
| 30 : Terrestrial impact minerals |
Type Occurrence of Wangdaodeite
General Appearance of Type Material:
Irregular particles (2–20 microns in size)
Place of Conservation of Type Material:
In the mineralogical collections of 1) the Geological Museum, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, China, catalogue number 15010, 2)the Mineral Museum of the University of Arizona, USA, catalogue number 21312, and the RRUFF.
Geological Setting of Type Material:
In shock veins of the Suizhou L6 meteorite.
Associated Minerals at Type Locality:
Synonyms of Wangdaodeite
Other Language Names for Wangdaodeite
Common Associates
Associations Based on Photo Data:
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 | Tl2O3 |
| 4.CB.15 | Armalcolite | MgTi4+2O5 |
| 4.CB.15 | Ferropseudobrookite | Fe2+Ti4+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 |
Other Information
Notes:
the Raman peak at 738–740 cm−1 is indicative for this phase
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 Wangdaodeite
mindat.org URL:
https://www.mindat.org/min-47800.html
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References for Wangdaodeite
Reference List:
Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2016) New minerals and nomenclature modifications approved in 2016, CNMNC Newsletter no 31. Mineralogical Magazine, 80 (4) 691-697 doi:10.1180/minmag.2016.080.083
Xie, Xiande; Gu, Xiangping; Yang, Hexiong; Chen, Ming; Li, Kai (2019) Wangdaodeite, the LiNbO3‐structured high‐pressure polymorph of ilmenite, a new mineral from the Suizhou L6 chondrite. Meteoritics & Planetary Science, 55 (1). 184-192 doi:10.1111/maps.13426
Localities for Wangdaodeite
Showing 3 localities.
symbol to view information about a locality.
The 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.
China (TL) | |
| Mineralogical Magazine +2 other references |
Germany | |
| Tschauner +3 other references |
India | |
| Ma et al. (2021) |
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Zipplinger Höhe, Zipplingen, Unterschneidheim, Ostalbkreis, Stuttgart Region, Baden-Württemberg, Germany