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Srebrodolskite

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Formula:
Ca2Fe3+2O5
Colour:
Black
Lustre:
Adamantine
Hardness:
Crystal System:
Orthorhombic
Name:
Named after Boris Ivanovich Srebrodolsky (b. 1927), mineralogist, Institute of Geology and Geochemistry, Lvov (Ukraine).
Hide all sections | Show all sections

Classification of SrebrodolskiteHide

Approved
Approval Year:
1984
4.AC.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
A : Metal: Oxygen = 2:1 and 1:1
C : M:O = 1:1 (and up to 1:1.25); with large cations (+- smaller ones)
7.20.13

7 : Oxides and Hydroxides
20 : Oxides of Fe

Physical Properties of SrebrodolskiteHide

Adamantine
Colour:
Black
Streak:
Grayish brown
Hardness:
5½ on Mohs scale

Optical Data of SrebrodolskiteHide

Type:
Biaxial (-)
RI values:
nα = 2.240 nβ = 2.250 nγ = 2.270
Max Birefringence:
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
relatively strong

Chemical Properties of SrebrodolskiteHide

Formula:
Ca2Fe3+2O5

Crystallography of SrebrodolskiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Cell Parameters:
a = 5.420(3) Å, b = 14.752(3) Å, c = 5.594(3) Å
Ratio:
a:b:c = 0.367 : 1 : 0.379
Unit Cell V:
447.27 ų (Calculated from Unit Cell)
Z:
4

Type Occurrence of SrebrodolskiteHide

Synonyms of SrebrodolskiteHide

Other Language Names for SrebrodolskiteHide

Relationship of Srebrodolskite to other SpeciesHide

Other Members of this group:
BrownmilleriteCa2(Al,Fe3+)2O5Orth. mm2
ShulamititeCa3TiFe3+AlO8Orth. mmm (2/m 2/m 2/m) : Pmma
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
Periclase4 photos of Srebrodolskite associated with Periclase on mindat.org.
Fluorellestadite2 photos of Srebrodolskite associated with Fluorellestadite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.AC.05SwedenborgiteNaBe4Sb5+O7Hex. 6mm : P63mc
4.AC.10BrownmilleriteCa2(Al,Fe3+)2O5Orth. mm2
4.AC.15MontroyditeHgOOrth. mmm (2/m 2/m 2/m) : Pmmn
4.AC.20LithargePbOTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
4.AC.20RomarchiteSnOTet.
4.AC.25MassicotPbOOrth. mmm (2/m 2/m 2/m) : Cmmm

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.20.1WüstiteFeOIso. m3m (4/m 3 2/m) : Fm3m
7.20.2MagnetiteFe2+Fe3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.20.3MaghemiteFe3+2O3Iso. 4 3 2 : P41 3 2
7.20.4HematiteFe2O3Trig. 3m (3 2/m) : R3c
7.20.5Goethiteα-Fe3+O(OH)Orth. mmm (2/m 2/m 2/m)
7.20.6Akaganeite(Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2OMon. 2/m
7.20.7FeroxyhyteFe3+O(OH)Hex.
7.20.8Lepidocrociteγ-Fe3+O(OH)Orth. mm2 : Cmc21
7.20.9FerrihydriteFe3+10O14(OH)2Trig.
7.20.10Amakinite(Fe2+,Mg)(OH)2Trig.
7.20.11MagnesioferriteMgFe3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.20.12MuskoxiteMg7Fe4O13 · 10H2OTrig. 3m (3 2/m)
7.20.14HercyniteFe2+Al2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.20.15BrownmilleriteCa2(Al,Fe3+)2O5Orth. mm2

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 SrebrodolskiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Smith, D.K. (1962): Crystallographic changes with the substitution of aluminum for iron in dicalcium ferrite. Acta Crystallographica, 15, 1146–1152.
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1985): 114(2): 195-199.
American Mineralogist (1986): 71: 1279-1280.
Acta Chemica Scandinavica: 25: 3616-3624.

Internet Links for SrebrodolskiteHide

Localities for SrebrodolskiteHide

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.
Austria
 
  • Styria
    • Bad Radkersburg
      • Klöch
Heritsch, H. (1990): Eine Kontaktbildung aus dem Nephelinbasanitsteinbruch von Klöch (Südoststeiermark) mit seltenen Mineralien; natürliches Vorkommen der Verbindung 4CaO.3Al2O3.SO3. – Mitt. Abt. Mineralogie, Landesmuseum Joanneum 58, 15-35. ["brownmillerite" = in fact srebrodolskite]; Kolitsch, U. & Brandstätter, F. (2011): 1709) Srebrodolskit und die Phase Ca3Ti(Fe,Al)2O8 in einem Ca-reichen Xenolith aus dem Basaltbruch Klöch, Bad Radkersburg, Steiermark. Pp. 174-175 in Niedermayr, G. et al. (2011): Neue Mineralfunde aus Österreich LX. Carinthia II, 201./121., 135-186.
Canada
 
  • Québec
    • Nord-du-Québec
      • Kativik
Daniel F. Rosa and Robert F. Martin (2010) A spurrite-, merwinite- and srebrodolskite-bearing skarn assemblage, West Clearwater Lake impact crater, northern Quebec. The Canadian Mineralogist (December 2010), 48(6):1519-1532
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Ústí Region
      • Duchcov (Dux)
Žáček V., Skála R., Chlupáčová M., Dvořák Z. 2005: Ca-Fe3+-rich, Si-undersaturated buchite from Želénky, North-Bohemian Brown Coal Basin, Czech Republic. Eur. J. Mineral., 17, 623-633
  • Moravia (Mähren; Maehren)
    • South Moravia Region
      • Oslavany
Hršelová, P., Cempírek, J., Houzar, S., Sejkora, J. (2013): S,F,Cl-rich mineral assemblages from burned spoil heaps in the Rosice-Oslavany coalfield, Czech Republic. Can. Mineral.: 51(1): 171-188
Germany
 
  • Rhineland-Palatinate
    • Eifel
      • Mayen
        • Ettringen
          • Bellerberg volcano
Lapis, 15 (5), 9-36.
Sharygin, V. V. (2012). Mineralogy of metacarbonate xenolith from alkali basalt, E. Eifel, Germany. In Ore Potential of Alkaline, Kimberlite and Carbonatite Magmatism. Book of Abstracts, XXIX International Conference. Training Program: Alkaline Magmatism of the Earth, Sudak-Moscow, ONTI GEOCHI RAS (pp. 156-158).
            • Southern lava flow
              • Mayener Feld
Rüdinger, B.; Tillmanns, E. Hentschel, G. (1993): Bellbergite – a New Mineral with the Zeolite Structure Type EAB, Mineralogy and Petrology 48, 147-152
  • Thuringia
    • Gera
      • Ronneburg U deposit
XRD and SEM-EDX analysis (T. Witzke)
Israel
 
  • Negev
    • Hatrurim Formation
Sharygin, V.V., Sokol, E.V. & Vapnik, Ye. (2008): Minerals of the pseudobinary perovskite-brownmillerite series from combustion metamorphic larnite rocks of the Hatrurim Formation (Israel). Russian Geology and Geophysics 49, 709-726. [as Fe-rich "brownmillerite"]]
Palestine
 
  • West Bank
    • Hatrurim Formation
Galuskina, I.O., Vapnik Ye., Lazic B., Armbruster T., Murashko M. and Galuskin E. Harmunite CaFe2O4: A new mineral from the Jabel Harmun, West Bank, Palestinian Autonomy, Israel. American Mineralogist, 99, 965–975.
Mikhail N. Murashko analytical data
Sokol, E.V., Gaskova, O.L., Kokh, S.N., Kozmenko, O.A., Seryotkin, Y.V., Vapnik, Y., Murashko, M.N. (2011): Chromatite and its Cr3+- and Cr6+-bearing precursor minerals from the Nabi Musa Mottled Zone complex, Judean Desert. American Mineralogist 96, 659-674. [as "calcium ferrite"]
Poland
 
  • Małopolskie
    • Olkusz District
      • Olkusz
J. Cabala, B. Zogala, R. Dubiel (2008) Geochemical and Geophysical Study of Historical Zn-Pb Ore Processing Waste Dump Areas (Southern Poland). Polish J. of Environ. Stud. Vol. 17, No. 5, 693-700
Romania
 
  • Covasna Co.
Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Russia
 
  • Northern Caucasus Region
    • Kabardino-Balkarian Republic
      • Baksan Valley
Galuskin, E.V., Galuskina, I.O., Kusz, J., Gfeller, F., Armbruster, T., Bailau, R., Dulski, M., Gazeev, V.M., Pertsev, N.N., Zadov, A.E., Dzieržanowski, P. (2015): Mayenite supergroup, part II: Chlorkyuygenite from Upper Chegem, northern Caucasus Kabardino-Balkaria, Russia, a new microporous mayenite supergroup mineral with “zeolitic” H2O. European Journal of Mineralogy. 27, 113-122; Bailau, R., Gałuskin, E. V., Gazeev, V. M., & Gałuskina, I. O. Raman investigation of potential new mineral-Fe 3-analogue of wadalite from calcareous-silicate xenoliths of the Upper Chegem caldera, Northern Caucasus, Russia.
          • Lakargi Mt.
Galuskina, I. O., Galuskin, E. V., Kusz, J., Dzierżanowski, P., Prusik, K., Gazeev, V. M., ... & Dubrovinsky, L. (2013). Dzhuluite, Ca3SbSnFe3+ 3O12, a new bitikleite-group garnet from the Upper Chegem Caldera, Northern Caucasus, Kabardino-Balkaria, Russia. European Journal of Mineralogy, 25(2), 231-239
Galuskin, E.V., Galuskina, I.O., Gazeev, V.M., Dzierżanowski, P., Prusik, K., Pertsev, N.N., Zadov, A.E., Bailau, R., Gurbanov, A.G. (2011): Megawite, CaSnO3: a new perovskite-group mineral from skarns of the Upper Chegem caldera, Kabardino-Balkaria, Northern Caucasus, Russia. Mineralogical Magazine, 75, 2563-2572.
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
Cesnokov, B., M. Kotrly, and T. Nisanbajev (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
Zateeva, S. N., Sokol, E. V., & Sharygin, V. V. (2007). Specificity of pyrometamorphic minerals of the ellestadite group. Geology of Ore Deposits, 49(8), 792-805.
Cesnokov, B., M. Kotrly, and T. Nisanbajev (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German); Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Cesnokov, B., M. Kotrly, and T. Nisanbajev (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
South Ossetia
 
  • Greater Caucasus Mountain Range
    • Kel’ volcanic area
      • Shadil-Khokh volcano
Galuskina, I.O., Krüger, B., Galuskin, E.V. ,Armbruster, T., Gazeev, V.M., Włodyka, R., Dulski, M. & Dzierżanowski, P. (2015): Fluorchegemite, Ca7(SiO4)3F2, a new mineral from the edgrewitebearing endoskarn zone of an altered xenolith in ignimbrites from Upper Chegem Caldera, Northern Caucasus, Kabardina-balkaria, Russia; Occurrence, crystal structure, and new data on the mineral assemblages. Canadian Mineralogist. 53, 325-344.
Mineral and/or Locality  
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