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Calcio-olivine

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About Calcio-olivineHide

Formula:
Ca2SiO4
Crystal System:
Orthorhombic
Member of:
Name:
In allusion to its composition, containing dominant calcium, and its relationship to the olivine series.
Dimorph of:
Olivine Group. The calcium analogue of Fayalite, Forsterite, and Tephroite. The low-temperature, orthorhombic polymorph of Larnite.

May occur as the result of the conversion of Larnite, which is metastable below 520° C.


Classification of Calcio-olivineHide

Approved, 'Grandfathered' (first described prior to 1959)
First Published:
1877
9.AD.10

9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in [6] and/or greater coordination

Pronounciation of Calcio-olivineHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Chemical Properties of Calcio-olivineHide

Formula:
Ca2SiO4
IMA Formula:
Ca2(SiO4)

Crystallography of Calcio-olivineHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 5.074 Å, b = 11.211 Å, c = 6.753 Å
Ratio:
a:b:c = 0.453 : 1 : 0.602
Unit Cell V:
384.14 ų (Calculated from Unit Cell)
Comment:
Space group Pbnm.

Type Occurrence of Calcio-olivineHide

Synonyms of Calcio-olivineHide

Other Language Names for Calcio-olivineHide

Relationship of Calcio-olivine to other SpeciesHide

Member of:
Other Members of this group:
FayaliteFe2+2SiO4Orth.
ForsteriteMg2SiO4Orth. mmm (2/m 2/m 2/m)
GlaucochroiteCaMn2+SiO4Orth.
KirschsteiniteCaFe2+SiO4Orth. mmm (2/m 2/m 2/m) : Pnma
LaihuniteFe2+Fe3+2(SiO4)2Mon.
Liebenbergite(Ni,Mg)2SiO4Orth.
MonticelliteCaMgSiO4Orth.
OlivineEquivalent to Fayalite-Forsterite Series; usually a more or less Fe-bearing forsterite.Orth.
Roepperite (of Brush)(Fe2+2,Mn,Zn)SiO4
TephroiteMn2+2SiO4Orth. mmm (2/m 2/m 2/m)

Common AssociatesHide

Associated Minerals Based on Photo Data:
Jasmundite1 photo of Calcio-olivine associated with Jasmundite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.AD.AdrianiteCa12(Al4Mg3Si7)O32Cl6Iso. 4 3m : I4 3d
9.AD.05LarniteCa2SiO4Mon.
9.AD.15MerwiniteCa3Mg(SiO4)2Mon. 2/m : P21/b
9.AD.20BredigiteCa7Mg(SiO4)4Orth.
9.AD.25AndraditeCa3Fe3+2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25AlmandineFe2+3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3Iso.
9.AD.25GoldmaniteCa3V3+2(SiO4)3Iso.
9.AD.25GrossularCa3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25HenritermieriteCa3(Mn3+,Al)2(SiO4)2(OH)4Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AD.25HibschiteCa3Al2(SiO4)3-x(OH)4xIso. m3m (4/m 3 2/m) : Ia3d
9.AD.25HydroandraditeCa3Fe3+2(SiO4)3-x(OH)4x
9.AD.25KatoiteCa3Al2(SiO4)3-x(OH)4x (x = 1.5-3)Iso.
9.AD.25KimzeyiteCa3(Zr,Ti)2((Si,Al,Fe3+)O4)3Iso.
9.AD.25KnorringiteMg3Cr2(SiO4)3Iso.
9.AD.25MajoriteMg3(Fe2+,Si,Al)2(SiO4)3Iso.
9.AD.25MorimotoiteCa3(Ti,Fe2+,Fe3+)2((Si,Fe3+)O4)3Iso.
9.AD.25PyropeMg3Al2(SiO4)3Iso.
9.AD.25SchorlomiteCa3(Ti,Fe3+)2((Si,Fe3+)O4)3Iso.
9.AD.25SpessartineMn2+3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25UvaroviteCa3Cr2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Wadalite(Ca,Mg)6(Al,Fe3+)4((Si,Al)O4)3O4Cl3Iso. 4 3m : I4 3d
9.AD.25HoltstamiteCa3(Al,Mn3+)2(SiO4)2(OH)4Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AD.25KerimasiteCa3Zr2(SiO4)(Fe3+O4)2Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25ToturiteCa3Sn2(SiO4)(Fe3+O4)2Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Momoiite(Mn2+,Ca)3V3+2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25EltyubyuiteCa12Fe3+10Si4O32Cl6Iso. 4 3m : I4 3d
9.AD.25HutcheoniteCa3Ti2(SiAl2)O12Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.30CoffiniteU(SiO4) · nH2OTet.
9.AD.30HafnonHfSiO4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.30ThoriteTh(SiO4)Tet.
9.AD.30ZirconZr(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.30Stetindite-(Ce)Ce(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.35HuttoniteThSiO4Mon.
9.AD.35Tombarthite-(Y)Y4(Si,H4)4O12-x(OH)4+2xMon.
9.AD.40EulytineBi4(SiO4)3Iso. 4 3m : I4 3d
9.AD.45ReiditeZrSiO4Tet. 4/m : I41/a

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 Calcio-olivineHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Acta Crystallographica (1964): 17.
American Mineralogist (1966): 51: 1766.
Udagawa S, Urabe K, Natsume M, Yano T (1980): Refinement of the crystal structure of γ-Ca2SiO4. Cement and Concrete Research 10, 139-144.
Hentschel, G. (1987), Die Mineralien der Eifelvulkane, Weise Verlag, München (2. Auflage).
Gobechiya E R, Yamnova N A, Zadov A E, Gazeev V M (2008): Calcio-olivine γ-Ca2SiO4: I. Rietveld refinement of the crystal structure. Crystallography Reports 53, 404-408.
Zadov, A.E. et al. (20008): Doklady Earth Science 423A, 1431-xx.
Zadov A.E., Gazeyev V.M., Pertsev N.N., Gurbanov A.G., Gobechiya E.R., Yamnova N.A., Chukanov N.V. (2008) Calcioolivine γ-Ca2SiO4 - an old and new mineral species. ZVMO, N6, 46-57 (in Russ.). [engl. transl. in: Geology of Ore Deposits 51 (2009) 741-749]

Internet Links for Calcio-olivineHide

Localities for Calcio-olivineHide

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.
Germany
 
  • Rhineland-Palatinate
    • Daun
      • Üdersdorf
Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag, München (2. Auflage), 1987
    • Mayen
      • Ettringen
        • Bellerberg volcano
Hentschel, G., Die Mineralien der Eifelvulkane, Weise, München (2. Auflage), 1987
          • 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
Russia
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Narin-Kunta
Armbruster, T., Lazic, B., Gfeller, F., Galuskin, E.V., Galuskina, I.O., Savelyeva, V.B., Zadov, A.E., Pertsev, N.N., Dzierżanowski, P. (2011): Chlorine content and crystal chemistry of dellaite from the Birkhin gabbro massif, Eastern Siberia, Russia. Mineralogical Magazine, 75, 379-394.
  • Northern Caucasus Region
    • Kabardino-Balkarian Republic
      • Baksan Valley
        • Upper Chegem volcanic caldera (Verkhnechegemskaya caldera)
          • Lakargi Mt.
Zadov, A.E. et al., Doklady Earth Science 423A, 1431 (2008); Zadov A.E., Gazeyev V.M., Pertsev N.N., Gurbanov A.G., Gobechiya E.R., Yamnova N.A., Chukanov N.V. (2008) Calcioolivine gamma-Ca2SiO4 - an old and new mineral species. - ZVMO, N6, pp. 46-57 (in Rus.); 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.
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
        • Chelyabinsk coal basin
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).
            • Coal mine No. 44
Igor Pekov (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).
USA
 
  • Texas
    • Culberson Co.
      • Apache Peak area
Bridge, T. (1966) Am. Min. 51, 1766-1774.
Mineral and/or Locality  
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