Loveringite
A valid IMA mineral species
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About Loveringite
Formula:
(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38
Colour:
Black
Lustre:
Metallic, Sub-Metallic
Hardness:
5
Specific Gravity:
4.42 (Calculated)
Crystal System:
Trigonal
Member of:
Name:
Named in 1978 by Bryan M. Gatehouse, Ian E. Grey, Ian H. Campbell, and Patrick Kelly in honor of John Francis Lovering (27 March 1930 – ), Australian geochemist and professor at the University of Melbourne, Melbourne, Australia, for his work on fission-track methods in geochemistry.
Unique Identifiers
Mindat ID:
2444
Long-form identifier:
mindat:1:1:2444:6
IMA Classification of Loveringite
Approved
IMA Formula:
(Ca,Ce3+,La)(Zr4+,Fe3+)(Mg,Fe3+)2(Ti4+,Fe3+,Cr3+,Al)18O38
Approval year:
1977
First published:
1978
Classification of Loveringite
4.CC.40
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
C : With large and 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
C : With large and medium-sized cations
8.5.1.2
8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
5 : AB21O38
8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
5 : AB21O38
7.9.25
7 : Oxides and Hydroxides
9 : Oxides of Ti
7 : Oxides and Hydroxides
9 : Oxides of Ti
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 |
|---|---|---|
| Lvg | 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 Loveringite
Metallic, Sub-Metallic
Transparency:
Opaque
Colour:
Black
Streak:
Iron-grey
Hardness:
5 on Mohs scale
Hardness:
VHN100=421 - 464 kg/mm2 - Vickers
Hardness Data:
Measured
Density:
4.42 g/cm3 (Calculated)
Chemistry of Loveringite
Mindat Formula:
(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38
Element Weights:
Crystallography of Loveringite
Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
R3
Cell Parameters:
a = 10.337(6) Å, c = 20.677(12) Å
Ratio:
a:c = 1 : 2
Unit Cell V:
1,913.41 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Anhedral to acicular crystals.
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) |
|---|---|---|---|---|---|---|---|
| 0005543 | Loveringite | Peterson R C (1998) The stability and crystal chemistry of synthetic loveringite in the system Ca-Mn-Ti-O under strongly reducing conditions The Canadian Mineralogist 36 763-774 | ![]() | 1998 | 0 | 293 | |
| 0005542 | Loveringite | Peterson R C (1998) The stability and crystal chemistry of synthetic loveringite in the system Ca-Mn-Ti-O under strongly reducing conditions The Canadian Mineralogist 36 763-774 | ![]() | 1998 | 0 | 293 | |
| 0000609 | Loveringite | Gatehouse B M, Grey I E, Campbell I H, Kelly P R (1978) The crystal structure of loveringite - a new member of the crichtonite group American Mineralogist 63 28-36 | ![]() | 1978 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.384 Å | (87) |
| 3.037 Å | (93) |
| 2.129 Å | (68) |
| 1.791 Å | (71) |
| 1.589 Å | (92) |
| 1.433 Å | (100) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 3a: Earth’s earliest Hadean crust | >4.50 |
| 8 : Mafic igneous rocks |
Type Occurrence of Loveringite
General Appearance of Type Material:
Isolated crystals which are usually anhedral but occasionally it forms needles. The grain size rarely exceeds 100 x 50 µm.
Place of Conservation of Type Material:
National Museum of Victoria, Melbourne, Australia.
Associated Minerals at Type Locality:
Synonyms of Loveringite
Other Language Names for Loveringite
Relationship of Loveringite to other Species
Member of:
Other Members of Crichtonite Group:
| Almeidaite | PbZn2(Mn,Y)(Ti,Fe3+)18O37(OH,O) | Trig. 3 : R3 |
| Botuobinskite | SrFe2+Mg2(Cr3+6Ti4+12)[O36(OH)2] | Trig. 3 : R3 |
| Cleusonite | (Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38 | Trig. 3 : R3 |
| Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 | Trig. 3 : R3 |
| Davidite-(Ce) | Ce(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38 | Trig. 3 : R3 |
| Davidite-(La) | La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38 | Trig. 3 : R3 |
| 'Davidite-(Y)' | (La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical) | Trig. |
| Dessauite-(Y) | (Sr,Pb)(Y,U)(Ti,Fe3+)20O38 | Trig. 3 : R3 |
| Gramaccioliite-(Y) | (Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38 | Trig. 3 : R3 |
| Haitaite-(La) | LaU4+Fe3+2(Ti13Fe2+4Fe3+)O38 | Trig. 3 : R3 |
| Landauite | NaMnZn2(Ti,Fe)6Ti12O38 | Trig. 3 : R3 |
| Lindsleyite | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 | Trig. |
| Mapiquiroite | (Sr,Pb)(U,Y)Fe2(Ti,Fe3+,Cr3+)18O38 | Trig. 3 : R3 |
| Mathiasite | (Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12 | Trig. 3 : R3 |
| Mianningite | (◻,Pb,Ce,Na)(U4+,Mn,U6+)Fe3+2 (Ti,Fe3+)18O38 | Trig. 3 : R3 |
| Mirnyite | SrZr4+Mg2(Cr3+6Ti4+12)O38 | Trig. 3 : R3 |
| Paseroite | PbMn2+(Mn2+,Fe3+)2(V5+,Ti,◻)18O38 | Trig. 3 : R3 |
| Saranovskite | SrCaFe2+2(Cr4Ti2)Ti12O38 | Trig. 3 : R3 |
| Senaite | Pb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38 | Trig. 3 : R3 |
| 'UM1987-03-O:FePbTiU' | ~(U,Pb)(Ti,Fe3+,Fe2+,Mn)21O38 | Trig. 3 : R3 |
| 'UM2003-08-O:AlCaFeREEScTiV' | (Ca,Ce)Sc(Ti,V,Fe,Al)20O38 | |
| 'UM2006-05-O:CaFeKMnNaREESrTiZr' | (Sr,Na,K,REE)(Ca,Zr,Mn)(Ti,Fe)18Fe2O38 | |
| 'UM2006-06-O:CaFeKMnNaREESrTiZr' | (Sr,Na,K,REE)(Zr,Ca,Mn)(Ti,Fe)18Fe2O38 | |
| 'UM2006-07-O:CaFeKMnNaREESrTiZr' | (Na,Sr,K,REE)(Ca,Zr,Mn)(Ti,Fe)18Fe2O38 | |
| 'UM2006-08-O:CaFeKMnNaREESrTiZr' | (Na,Sr,K,REE)(Zr,Ca,Mn)(Ti,Fe)18Fe2O38 | |
| 'UM2006-09-O:CaFeMnREESrTiZr' | (Ce,Sr,REE)(Ca,Mn,Zr)Fe2(Ti,Fe)18O38 | |
| 'Unnamed (HBU UK-4)' | NaFe2+Zn2(Ti,Fe3+,Nb)6Ti12O38 | Trig. 3 : R3 |
Common Associates
Associations Based on Photo Data:
| 1 photo of Loveringite associated with Davidite-(La) | La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38 |
Related Minerals - Strunz-mindat Grouping
| 4.CC. | Xuite | Ca3Fe3+2[(AlO3(OH)]3 |
| 4.CC. | Yttriaite-(Y) | Y2O3 |
| 4.CC. | Allendeite | Sc4Zr3O12 |
| 4.CC. | Chlorkyuygenite | Ca12Al14O32[(H2O)4Cl2] |
| 4.CC. | Oboniobite | Mg4Nb2O9 |
| 4.CC. | Botuobinskite | SrFe2+Mg2(Cr3+6Ti4+12)[O36(OH)2] |
| 4.CC. | Mirnyite | SrZr4+Mg2(Cr3+6Ti4+12)O38 |
| 4.CC. | Haitaite-(La) | LaU4+Fe3+2(Ti13Fe2+4Fe3+)O38 |
| 4.CC. | Shagamite | KFe11O17 |
| 4.CC. | Bitikleite | Ca3(Sb5+Sn4+)[AlO4]3 |
| 4.CC. | Anzaite-(Ce) | Ce3+ 4Fe2+Ti6O18 (OH)2 |
| 4.CC. | Heamanite-(Ce) | (K0.5Ce0.5)TiO3 |
| 4.CC. | Priscillagrewite-(Y) | (Ca2Y)Zr2(AlO4)3 |
| 4.CC. | Strandite | Pb3Mn3+4Mn4+3O15 |
| 4.CC. | Saranovskite | SrCaFe2+2(Cr4Ti2)Ti12O38 |
| 4.CC.05 | Chrombismite | Bi3+16Cr6+O27 |
| 4.CC.10 | Freudenbergite | Na2(Ti,Fe)8O16 |
| 4.CC.10 | Fluormayenite | Ca12Al14O32F2 |
| 4.CC.10 | Fluorkyuygenite | Ca12Al14O32[(H2O)4F2] |
| 4.CC.15 | Grossite | CaAl4O7 |
| 4.CC.17 | Goldschmidtite | KNbO3 |
| 4.CC.20 | 'Unnamed (HBU UK-4)' | NaFe2+Zn2(Ti,Fe3+,Nb)6Ti12O38 |
| 4.CC.20 | Chlormayenite | Ca12Al14O32[◻4Cl2] |
| 4.CC.20 | Paseroite | PbMn2+(Mn2+,Fe3+)2(V5+,Ti,◻)18O38 |
| 4.CC.20 | Mianningite | (◻,Pb,Ce,Na)(U4+,Mn,U6+)Fe3+2 (Ti,Fe3+)18O38 |
| 4.CC.20 | 'UM1987-03-O:FePbTiU' | ~(U,Pb)(Ti,Fe3+,Fe2+,Mn)21O38 |
| 4.CC.22 | Gorerite | CaAlFe3+11O19 |
| 4.CC.22 | Kahlenbergite | KAl11O17 |
| 4.CC.25 | Hopmannite | Ba2(Ti5Fe)O13 |
| 4.CC.25 | Nixonite | Na2Ti6O13 |
| 4.CC.25 | Yafsoanite | Ca3Te6+2(ZnO4)3 |
| 4.CC.30 | Latrappite | Ca2NbFe3+O6 |
| 4.CC.30 | Natroniobite | NaNbO3 |
| 4.CC.30 | Perovskite | CaTiO3 |
| 4.CC.30 | Lueshite | NaNbO3 |
| 4.CC.30 | Bariolakargiite | BaZrO3 |
| 4.CC.30 | Barioperovskite | BaTiO3 |
| 4.CC.30 | Megawite | CaSnO3 |
| 4.CC.30 | Lakargiite | Ca(Zr,Sn,Ti)O3 |
| 4.CC.32 | Usturite | Ca3(Sb5+Zr)[Fe3+O4]3 |
| 4.CC.32 | Elbrusite | Ca3(U6+0.5Zr1.5)[Fe3+O4]3 |
| 4.CC.32 | Monteneveite | Ca3Sb5+2(Fe3+2Fe2+)O12 |
| 4.CC.32 | Dzhuluite | Ca3(Sb5+Sn4+)[Fe3+O4]3 |
| 4.CC.35 | Tausonite | SrTiO3 |
| 4.CC.35 | Loparite | (Na,REE)2Ti2O6 |
| 4.CC.35 | Panguite | (Ti,Al,Sc,Mg,Zr,Ca)1.8O3 |
| 4.CC.35 | Isolueshite | (Na,La)NbO3 |
| 4.CC.35 | Macedonite | PbTiO3 |
| 4.CC.37 | Pauloabibite | NaNbO3 |
| 4.CC.40 | Landauite | NaMnZn2(Ti,Fe)6Ti12O38 |
| 4.CC.40 | Mathiasite | (Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12 |
| 4.CC.40 | Senaite | Pb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38 |
| 4.CC.40 | Gramaccioliite-(Y) | (Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38 |
| 4.CC.40 | Lindsleyite | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
| 4.CC.40 | Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| 4.CC.40 | Cleusonite | (Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38 |
| 4.CC.40 | Davidite-(Ce) | Ce(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38 |
| 4.CC.40 | Davidite-(La) | La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38 |
| 4.CC.40 | 'Davidite-(Y)' | (La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical) |
| 4.CC.40 | 'Uhligite' | Ca3(Ti,Al,Zr)9O20 ? |
| 4.CC.40 | Dessauite-(Y) | (Sr,Pb)(Y,U)(Ti,Fe3+)20O38 |
| 4.CC.45 | Diaoyudaoite | NaAl11O17 |
| 4.CC.45 | Yimengite | K(Cr,Ti,Fe,Mg)12O19 |
| 4.CC.45 | Nežilovite | PbZn2Mn4+2Fe3+8O19 |
| 4.CC.45 | Hawthorneite | BaMgTi3Cr4Fe2+2Fe3+2O19 |
| 4.CC.45 | Mizraite-(Ce) | Ce(Al11Mg)O19 |
| 4.CC.45 | Haggertyite | BaFe2+4Fe3+2Ti5MgO19 |
| 4.CC.45 | Lindqvistite | Pb2Mn2+Fe16O27 |
| 4.CC.45 | Hibonite | CaAl12O19 |
| 4.CC.45 | Kangite | (Sc,Ti,Al,Zr,Mg,Ca,◻)2O3 |
| 4.CC.45 | Chihuahuaite | FeAl12O19 |
| 4.CC.45 | Barioferrite | BaFe3+12O19 |
| 4.CC.45 | Plumboferrite | Pb[Fe3+10.67Mn2+0.33Pb]O18.33 |
| 4.CC.45 | Batiferrite | BaTi2Fe3+8Fe2+2O19 |
| 4.CC.45 | Magnetoplumbite | PbFe3+12O19 |
| 4.CC.50 | Jeppeite | K2Ti6O13 |
| 4.CC.55 | Zenzénite | Pb3Fe3+4Mn4+3O15 |
| 4.CC.60 | 'Mengxianminite (of Huang et al.)' | (Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29 |
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 Loveringite
mindat.org URL:
https://www.mindat.org/min-2444.html
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References for Loveringite
Reference List:
Gatehouse, Bryan M., Grey, Ian E., Campbell, Ian H., Kelly, Patrick (1978) The crystal structure of loveringite - a new member of the crichtonite group. American Mineralogist, 63 (1-2). 28-36
Campbell, I. H., Kelly, P. R. (1978) The geochemistry of loveringite, a uranium-rare-earth-bearing accessory phase from the Jimberlana Intrusion of Western Australia. Mineralogical Magazine, 42 (322) 187-193 doi:10.1180/minmag.1978.042.322.04
Localities for Loveringite
Showing 17 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.
Algeria | |
| Lorand et al. (1987) |
Australia (TL) | |
| Nickel & Nichols +2 other references |
Austria | |
| Weiß et al. (2003) +1 other reference |
Finland | |
| Mutanen (1997) |
| Karinen |
France | |
| Ionov et al. (1995) |
Italy | |
| Marchesini et al. (2025) |
| Cabella et al. (1997) |
Northwest Africa Meteorites | |
| Zhang et al. (2020) | |
Norway | |
| Svein (1988) |
Russia | |
| Barkov et al. (1996) +1 other reference |
| maurice.strahlen.org (2003) | |
| Kompanchenko et al. (2018) |
Saudi Arabia | |
| Abuamarah et al. (2023) |
USA | |
| Ague et al. (2012) |
Zimbabwe | |
| Stribrny et al. (2000) +1 other reference |
The Moon | |
| Stadermann et al. (2024) |
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Biggejavri, Kautokeino, Troms og Finnmark, Norway