Ulvöspinel Subgroup
A group of related mineral species
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About Ulvöspinel Subgroup
Formula:
A4+D2+2O4
A= Si4+, Ge4+, Ti4+, Sb4+D= Fe2+, Mg2+, Mn2+
Note: the D site is named as B in the IMA Proposal 17-H, changed here to avoid confusion with Boron.
Note: the D site is named as B in the IMA Proposal 17-H, changed here to avoid confusion with Boron.
Member of:
The Ulvöspinel Subgroup is a subgroup of the Oxyspinel Group in the Spinel Supergroup, with tetravalent cations in the A site, and divalent in the D site..
Name Encoding
ASCII-7:
Ulvospinel Subgroup
Unique Identifiers
Mindat ID:
52868
Long-form identifier:
mindat:1:1:52868:1
IMA Classification of Ulvöspinel Subgroup
IMA status notes:
IMA Approved Group Name
Approval history:
A classification of spinel supergroup was approved by IMA in march 2018 (Proposal 17-H).
Chemistry of Ulvöspinel Subgroup
Mindat Formula:
A4+D2+2O4
A= Si4+, Ge4+, Ti4+, Sb4+D= Fe2+, Mg2+, Mn2+
Note: the D site is named as B in the IMA Proposal 17-H, changed here to avoid confusion with Boron.
A= Si4+, Ge4+, Ti4+, Sb4+D= Fe2+, Mg2+, Mn2+
Note: the D site is named as B in the IMA Proposal 17-H, changed here to avoid confusion with Boron.
Chemical Analysis
Oxide wt%:
| 1 | 2 | 3 | |
|---|---|---|---|
| WO3 | 0.02 % | ||
| Ta2O5 | 0.02 % | ||
| SiO2 | 0.02 % | 38.9 % | 1.70 % |
| TiO2 | 43.13 % | 1.40 % | |
| ZrO2 | 0.04 % | ||
| SnO2 | 0.10 % | ||
| Al2O3 | 4.10 % | 0.76 % | |
| V2O3 | 1.19 % | ||
| Cr2O3 | 0.09 % | ||
| Sc2O3 | 0.06 % | ||
| Fe2O3* | 2.24 % | ||
| FeO* | 8.33 % | ||
| MnO | 0.69 % | 25.74 % | |
| ZnO | 0.02 % | 2.66 % | |
| MgO | 41.09 % | 37.0 % | 21.83 % |
| FeO | 23.4 % | ||
| Sb2O5 | 36.13 % | ||
| Fe2O3 | 0.78 % | ||
| Mn2O3 | 8.14 % | ||
| Total: | 101.14 % | 99.3 % | 99.14 % |
Empirical formulas:
| Sample ID | Empirical Formula |
|---|---|
| 1 | (Mg1.69Fe2+0.19Al0.10Mn2+0.02)(Ti0.89Fe3+0.05V0.03Al0.03)O4 |
| 2 | (Mg0.74Fe0.26)2SiO4 |
| 3 | Mg2+1.22Mn2+0.82Zn0.07(Sb0.50Mn3+0.23Si0.06Ti0.04Al0.03Fe0.02)O4 |
Sample references:
| ID | Type | Locality | Reference | Notes |
|---|---|---|---|---|
| 1 | pt. 69 | Tazheranskii Massif, Russia | sparse scattered grains in high-grade geikielite-bearing magnesian marble, with abundant forsterite and spinel. FeO/Fe2O3 calculated by charge balance; V2O3 content based on V corrected for overlap from Ti Kb. | |
| 2 | BM1935,792 | Tenham meteorite, Tenham Station, Windorah, Barcoo Shire, Queensland, Australia | Rounded purple isotropic grains up to 100 microns. | |
| 3 | Type Specimen | Jakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden | Electron-microprobe analyses gave (average of 35 points; in wt%). Mn2O3 was calculated from stoichiometry |
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) |
|---|---|---|---|---|---|---|---|
| 0019779 | Filipstadite | Bonazzi P, Chelazzi L, Bindi L (2013) Superstructure, crystal chemistry, and cation distribution in filipstadite, a Sb5+-bearing, spinel-related mineral American Mineralogist 98 361-366 | 2013 | Langban, Filipstad district, Varmland, Sweden | 0 | 293 | |
| 0014558 | Brunogeierite | Welch M D, Cooper M A, Hawthorne F C (2001) The crystal structure of brunogeierite, Fe2GeO4 spinel Mineralogical Magazine 65 441-444 | ![]() | 2001 | Tsumeb, Namibia | 0 | 293 |
| 0009833 | Qandilite | Wechsler B A, Von Dreele R B (1989) Structure refinements of Mg2TiO4, MgTiO3 and MgTi2O5 by time-of-flight neutron powder diffraction Acta Crystallographica B45 542-549 | ![]() | 1989 | synthetic | 0 | 293 |
| 0009832 | Qandilite | Wechsler B A, Von Dreele R B (1989) Structure refinements of Mg2TiO4, MgTiO3 and MgTi2O5 by time-of-flight neutron powder diffraction Acta Crystallographica B45 542-549 | ![]() | 1989 | synthetic | 0 | 293 |
| 0001146 | Filipstadite | Dunn P J, Peacor D R, Criddle A J, Stanley C J (1988) Filipstadite, a new Mn-Fe3+-Sb derivative of spinel, from Lanban, Sweden American Mineralogist 73 413-419 | ![]() | 1988 | Langban, Varmland, Sweden | 0 | 293 |
| 0007408 | Ahrensite | Yamanaka T (1986) Crystal structures of Ni2SiO4 and Fe2SiO4 as a function of temperature and heating duration Physics and Chemistry of Minerals 13 227-232 | 1986 | synthetic | 0 | 293 | |
| 0007407 | Ahrensite | Yamanaka T (1986) Crystal structures of Ni2SiO4 and Fe2SiO4 as a function of temperature and heating duration Physics and Chemistry of Minerals 13 227-232 | 1986 | synthetic | 0 | 293 | |
| 0007406 | Ahrensite | Yamanaka T (1986) Crystal structures of Ni2SiO4 and Fe2SiO4 as a function of temperature and heating duration Physics and Chemistry of Minerals 13 227-232 | 1986 | synthetic | 0 | 293 | |
| 0007405 | Ahrensite | Yamanaka T (1986) Crystal structures of Ni2SiO4 and Fe2SiO4 as a function of temperature and heating duration Physics and Chemistry of Minerals 13 227-232 | 1986 | synthetic | 0 | 293 | |
| 0007404 | Ahrensite | Yamanaka T (1986) Crystal structures of Ni2SiO4 and Fe2SiO4 as a function of temperature and heating duration Physics and Chemistry of Minerals 13 227-232 | 1986 | synthetic | 0 | 293 | |
| 0000748 | Ahrensite | Finger L W, Hazen R M, Yagi T (1979) Crystal structures and electron densities of nickel and iron silicate spinels at elevated temperature or pressure American Mineralogist 64 1002-1009 | ![]() | 1979 | synthetic | 0 | 293 |
| 0000404 | Ahrensite | Yagi T, Marumo F, Akimoto S I (1974) Crystal structures of spinel polymorphs of Fe2SiO4 and Ni2SiO4 American Mineralogist 59 486-490 | ![]() | 1974 | synthetic | 0 | 293 |
| 0000279 | Ringwoodite | Baur W H (1972) Computer-simulated crystal structures of observed and hypothetical Mg2SiO4 polymorphs of low and high density inverse American Mineralogist 57 709-731 | ![]() | 1972 | hypothetical | 0 | 293 |
| 0000278 | Ringwoodite | Baur W H (1972) Computer-simulated crystal structures of observed and hypothetical Mg2SiO4 polymorphs of low and high density normal American Mineralogist 57 709-731 | ![]() | 1972 | hypothetical | 0 | 293 |
| 0003164 | Ringwoodite | Smyth J R, Holl C M, Frost D J, Jacobsen S D, Langenhorst F, McCammon C A (2003) Structural systematics of hydrous ringwoodite and water in Earth's interior American Mineralogist 88 1402-1407 | ![]() | 2003 | 0 | 293 | |
| 0003163 | Ringwoodite | Smyth J R, Holl C M, Frost D J, Jacobsen S D, Langenhorst F, McCammon C A (2003) Structural systematics of hydrous ringwoodite and water in Earth's interior American Mineralogist 88 1402-1407 | ![]() | 2003 | 0 | 293 | |
| 0003162 | Ringwoodite | Smyth J R, Holl C M, Frost D J, Jacobsen S D, Langenhorst F, McCammon C A (2003) Structural systematics of hydrous ringwoodite and water in Earth's interior American Mineralogist 88 1402-1407 | ![]() | 2003 | 0 | 293 | |
| 0003161 | Ringwoodite | Smyth J R, Holl C M, Frost D J, Jacobsen S D, Langenhorst F, McCammon C A (2003) Structural systematics of hydrous ringwoodite and water in Earth's interior American Mineralogist 88 1402-1407 | ![]() | 2003 | 0 | 293 | |
| 0003160 | Ringwoodite | Smyth J R, Holl C M, Frost D J, Jacobsen S D, Langenhorst F, McCammon C A (2003) Structural systematics of hydrous ringwoodite and water in Earth's interior American Mineralogist 88 1402-1407 | ![]() | 2003 | 0 | 293 | |
| 0003159 | Ringwoodite | Smyth J R, Holl C M, Frost D J, Jacobsen S D, Langenhorst F, McCammon C A (2003) Structural systematics of hydrous ringwoodite and water in Earth's interior American Mineralogist 88 1402-1407 | ![]() | 2003 | 0 | 293 | |
| 0003158 | Ringwoodite | Smyth J R, Holl C M, Frost D J, Jacobsen S D, Langenhorst F, McCammon C A (2003) Structural systematics of hydrous ringwoodite and water in Earth's interior American Mineralogist 88 1402-1407 | ![]() | 2003 | 0 | 293 | |
| 0008430 | Ringwoodite | Kudoh Y, Kuribayashi T, Mizobata H, Ohtami E (2000) Structure and cation disorder of hydrous ringwoodite, gamma-Mg1.89Si0.98H0.30O4 Physics and Chemistry of Minerals 27 474-479 | 2000 | 0 | 293 | ||
| 0001751 | Qandilite | Millard R L, Peterson R C, Hunter B K (1995) Study of the cubic to tetragonal transition in Mg2TiO4 and Zn2TiO4 spinels by 17O MAS NMR and Rietveld refinement of X-ray diffraction data American Mineralogist 80 885-896 | ![]() | 1995 | 0 | 293 | |
| 0001750 | Qandilite | Millard R L, Peterson R C, Hunter B K (1995) Study of the cubic to tetragonal transition in Mg2TiO4 and Zn2TiO4 spinels by 17O MAS NMR and Rietveld refinement of X-ray diffraction data American Mineralogist 80 885-896 | ![]() | 1995 | 0 | 293 | |
| 0001747 | Qandilite | Millard R L, Peterson R C, Hunter B K (1995) Study of the cubic to tetragonal transition in Mg2TiO4 and Zn2TiO4 spinels by 17O MAS NMR and Rietveld refinement of X-ray diffraction data American Mineralogist 80 885-896 | ![]() | 1995 | 0 | 293 | |
| 0001746 | Qandilite | Millard R L, Peterson R C, Hunter B K (1995) Study of the cubic to tetragonal transition in Mg2TiO4 and Zn2TiO4 spinels by 17O MAS NMR and Rietveld refinement of X-ray diffraction data American Mineralogist 80 885-896 | ![]() | 1995 | 0 | 293 | |
| 0001627 | Ringwoodite | Hazen R M, Downs R T, Finger L W (1993) Crystal chemistry of ferromagnesian silicate spinels: Evidence for Mg-Si disorder American Mineralogist 78 1320-1323 | ![]() | 1993 | 0 | 293 | |
| 0001626 | Ringwoodite | Hazen R M, Downs R T, Finger L W (1993) Crystal chemistry of ferromagnesian silicate spinels: Evidence for Mg-Si disorder American Mineralogist 78 1320-1323 | ![]() | 1993 | 0 | 293 | |
| 0001625 | Ringwoodite | Hazen R M, Downs R T, Finger L W (1993) Crystal chemistry of ferromagnesian silicate spinels: Evidence for Mg-Si disorder American Mineralogist 78 1320-1323 | ![]() | 1993 | 0 | 293 | |
| 0001624 | Ringwoodite | Hazen R M, Downs R T, Finger L W (1993) Crystal chemistry of ferromagnesian silicate spinels: Evidence for Mg-Si disorder American Mineralogist 78 1320-1323 | ![]() | 1993 | 0 | 293 | |
| 0018128 | Qandilite | Barth T, Posnjak E (1932) Spinel structures: with and without variate atom equipoints _cod_database_code 1011276 Zeitschrift fur Kristallographie 82 325-341 | 1932 | 0 | 293 | ||
| 0003081 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 343 | |
| 0003080 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 363 | |
| 0003082 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 370 | |
| 0003098 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 373 | |
| 0003083 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 425 | |
| 0003130 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 441 | |
| 0003129 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 471 | |
| 0003084 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 493 | |
| 0003099 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 513 | |
| 0003128 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 523 | |
| 0003085 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 562 | |
| 0003127 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 585 | |
| 0003086 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 633 | |
| 0003126 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 648 | |
| 0003087 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 698 | |
| 0003125 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 712 | |
| 0003088 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 756 | |
| 0003124 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 776 | |
| 0003100 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 832 | |
| 0003089 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 832 | |
| 0003123 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 840 | |
| 0003090 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 898 | |
| 0003122 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 903 | |
| 0003091 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 963 | |
| 0003121 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 966 | |
| 0003120 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1029 | |
| 0003092 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1029 | |
| 0003119 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1070 | |
| 0003093 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1093 | |
| 0003101 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1123 | |
| 0003118 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1155 | |
| 0003094 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1158 | |
| 0003102 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1185 | |
| 0003117 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1217 | |
| 0003095 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1222 | |
| 0003103 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1248 | |
| 0003096 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1293 | |
| 0003104 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1312 | |
| 0003097 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1327 | |
| 0003116 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1354 | |
| 0003105 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1376 | |
| 0003106 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1440 | |
| 0003115 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1492 | |
| 0003107 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1505 | |
| 0003114 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1556 | |
| 0003108 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1570 | |
| 0003113 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1619 | |
| 0003109 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1632 | |
| 0003112 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1670 | |
| 0003110 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1676 | |
| 0003111 | Qandilite | O'Neill H St C, Redfern S A T, Kesson S, Short S M (2003) An in situ neutron diffraction study of cation disordering in synthetic qandilite Mg2TiO4 at high temperature American Mineralogist 88 860-865 | ![]() | 2003 | 0 | 1689 |
CIF Raw Data - click here to close
Synonyms of Ulvöspinel Subgroup
Relationship of Ulvöspinel Subgroup to other Species
Member of:
Other Members of Oxyspinel Group:
| Spinel Subgroup | A2+D3+2O4 |
Ulvöspinel Subgroup Members:
| Ahrensite | SiFe2O4 | Iso. m3m(4/m32/m) |
| Brunogeierite | Ge4+Fe2+2O4 | Iso. m3m(4/m32/m) : Fd3m |
| Filipstadite | (Fe3+0.5Sb5+0.5)Mn2O4 | Iso. |
| Qandilite | (Mg,Fe3+)2(Ti,Fe3+,Al)O4 | Iso. m3m(4/m32/m) : Fd3m |
| Ringwoodite | (Mg,Fe2+)2SiO4 | Iso. m3m(4/m32/m) : Fd3m |
| Tegengrenite | (Mn3+0.5Sb5+0.5)Mg2O4 | Trig. 3 : R3 |
| Ulvöspinel | TiFe2+2O4 | Iso. m3m(4/m32/m) : Fd3m |
Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.
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.
Ulvöspinel Subgroup in petrology
An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.
Internet Links for Ulvöspinel Subgroup
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https://www.mindat.org/min-52868.html
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References for Ulvöspinel Subgroup
Localities for Ulvöspinel Subgroup
Showing 266 localities.
Locality List
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All localities listed without proper references should be considered as questionable.







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The
Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia