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Dmitryivanovite

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Formula:
CaAl2O4
Colour:
Colourless
Crystal System:
Monoclinic
Name:
Named in honor of Dmitry Alexandrovich Ivanov (Дмитрия Александровича Иванова) (1962-1986), a geologist, mineralogist, and petrologist who died tragically on a field expedition to study igneous rocks in the Caucasus Mountains. He is the son of Andrey Ivanovite (andreyivanovite).
Dimorph of:
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Classification of DmitryivanoviteHide

Approved
Approval Year:
2006
4.BC.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
C : With medium-sized and large cations
7.2.16.

7 : MULTIPLE OXIDES
2 : AB2X4

Pronounciation of DmitryivanoviteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of DmitryivanoviteHide

Colour:
Colourless

Chemical Properties of DmitryivanoviteHide

Formula:
CaAl2O4

Crystallography of DmitryivanoviteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 7.95 Å, b = 8.62 Å, c = 10.25 Å
β = 93.1°
Ratio:
a:b:c = 0.922 : 1 : 1.189
Unit Cell V:
701.39 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.018 (100)
2.920 (83)
2.882 (52)
2.559 (42)
2.505 (46)
2.371 (31)
1.888 (29)
1.467 (29)

Type Occurrence of DmitryivanoviteHide

Synonyms of DmitryivanoviteHide

Related Minerals - Nickel-Strunz GroupingHide

4.BC.AddibischoffiteCa2Al6Al6O20Tric. 1 : P1
4.BC.05MarokiteCaMn3+2O4Orth.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for DmitryivanoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Dougill, M.W. (1957) Crystal structure of calcium monoaluminate. Nature: 180: 292-293.
Hörkner, W., Müller-Buschbaum, Hk. (1976) Zur kristallstruktur von CaAl2O4. Journal of Inorganic and Nuclear Chemistry: 38: 983-984.
Ito, S., Suzuki, K., Inagaki, M., Naka, S. (1980) High-pressure modifications of CaAl2O4 and CaGa2O4. Materials Research Bulletin: 15: 925-932.
Barbier, J., Neuhausen, J. (1990) Phase formation in the system (Ca,Sr)Al2O4. European Journal of Mineralogy: 2: 273-282.
Stebbins, J.F., Oglesby, J.V., Kroeker, S. (2001) Oxygen triclusters in crystalline CaAl4O7 (grossite) and in calcium aluminosilicate glasses: 17O NMR. American Mineralogist: 86: 1307-1311.
Ivanova, M.A., Petaev, M.I., MacPherson, G.J., Nazarov, M.A., Taylor, L.A., Wood, J.A. (2002) The first known occurrence of calcium monoaluminate, in a calcium aluminum-rich inclusion from the CH chondrite Northwest Africa 470. Meteoritics & Planetary Science: 37: 1337-1444.
Mikouchi, T., Zolensky, M., Tachikawa, O., Komatsu, M., Ivanova, M.A., Le, L., Gounelle, M. (2006) Electron back-scatter diffraction (EBSD) analysis of two unusual minerals in carbonaceous chondrites. Lunar and Planetary Science: 37: 1855-1855.
Lazic, B., Kahlenberg, V., Konzett, J. (2007) Structural studies on a stuffed framework high pressure polymorph of CaAl2O4. Zeitschrift für Kristallographie: 222: 690-695.
Mikouchi, T., Zolensky, M.E., Ivanova, M., Tachikawa, O., Komatsu, M., Le, L., Gounelles, M. (2009) Dmitryivanovite: A new high-pressure calcium aluminum oxide from the Northwest Africa 470 CH3 chondrite characterized using electron back-scatter diffraction analysis. American Mineralogist: 94: 746-750.

Internet Links for DmitryivanoviteHide

Localities for DmitryivanoviteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Italy
 
  • Emilia-Romagna
    • Ferrara Province
      • Vigarano Mainarda
        • Vigarano Pieve
Seiji Maruyama & Naotaka Tomioka (2011). Ca-Al-Fe-rich inclusion in the Vigarano CV3 chondrite. Meteoritics & Planetary Science 46, #5, 690-700.
Morocco (TL)
 
  • Drâa-Tafilalet Region
    • Er Rachidia Province (Errachidia Province)
      • Er Rachidia (Errachidia)
Am. Min. 94,746-750(2009)
Mineral and/or Locality  
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