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Rustumite

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Formula:
Ca10(Si2O7)2(SiO4)(OH)2Cl2
System:
Monoclinic
Colour:
Colourless
Name:
Named after Rustum Roy, specialist in the crystal chemistry of minerals and synthetic materials.
This page provides mineralogical data about Rustumite.

Classification of Rustumite

Approved
9.BG.30

9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination
58.2.5.1

58 : SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
2 : Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
17.3.1

17 : Silicates Containing other Anions
3 : Silicates with chloride (including aluminosilicates)
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Type Occurrence of Rustumite

Year of Discovery:
1965

Physical Properties of Rustumite

Colour:
Colourless

Crystallography of Rustumite

Crystal System:
Monoclinic
Cell Parameters:
a = 7.62Å, b = 18.55Å, c = 15.51Å
β = 104.33°
Ratio:
a:b:c = 0.411 : 1 : 0.836
Unit Cell Volume:
V 2,124.14 ų (Calculated from Unit Cell)

Chemical Properties of Rustumite

Formula:
Ca10(Si2O7)2(SiO4)(OH)2Cl2
Essential elements:
All elements listed in formula:
Common Impurities:
H2O

Relationship of Rustumite to other Species

9.BG.05bAllanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
9.BG.05bAllanite-(La){CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
9.BG.05bAllanite-(Y){CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
9.BG.05aClinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
9.BG.05bDissakisite-(Ce){CaCe}{Al2Mg}(Si2O7)(SiO4)O(OH)
9.BG.05Dollaseite-(Ce){CaCe}{MgAlMg}(Si2O7)(SiO4)(OH)F
9.BG.05aEpidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
9.BG.05Epidote-(Pb){CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
9.BG.05Khristovite-(Ce){CaCe}{MgAlMn2+}(Si2O7)(SiO4)(OH)F
9.BG.05Mukhinite{Ca2}{Al2V3+}(Si2O7)(SiO4)O(OH)
9.BG.05Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
9.BG.05Piemontite-(Sr){CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
9.BG.05bManganiandrosite-(La){Mn2+La}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)
9.BG.05Tawmawite{Ca2}{(Al,Fe3+,Cr)3}(Si2O7)(SiO4)O(OH)
9.BG.05Manganipiemontite-(Sr){CaSr}{Mn3+AlMn3+}(Si2O7)(SiO4)O(OH)
9.BG.05bFerriallanite-(Ce){CaCe}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)
9.BG.05Clinozoisite-(Sr){CaSr}{Al3}(Si2O7)(SiO4)O(OH)
9.BG.05Manganiandrosite-(Ce){(Mn2+,Ca)(Ce,REE)}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)
9.BG.05Dissakisite-(La){CaLa}{Al2Mg}(Si2O7)(SiO4)O(OH)
9.BG.05Vanadoandrosite-(Ce){Mn2+Ce}{V3+AlMn2+}(Si2O7)(SiO4)O(OH)
9.BG.05Uedaite-(Ce){Mn2+Ce}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
9.BG.05Epidote-(Sr){CaSr}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
9.BG.05bAllanite-(Nd){CaNd}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
9.BG.05bFerriallanite-(La){CaLa}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)
9.BG.05bÅskagenite-(Nd){Mn2+Nd}{Al2Fe3+}(Si2O7)(SiO4)O2
9.BG.10Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
9.BG.15MacfalliteCa2(Mn3+,Al)3(Si2O7)(SiO4)(OH)3
9.BG.15SursassiteMn22+Al3(Si2O7)(SiO4)(OH)3
9.BG.20Julgoldite-(Fe2+)Ca2(Fe2+,Mg)(Fe3+,Al)2(Si2O7)(SiO4)(OH)2 · H2O
9.BG.20OkhotskiteCa2(Mn2+,Mg)(Mn3+,Al,Fe3+)2(Si2O7)(SiO4)(OH)2 · H2O
9.BG.20Pumpellyite-(Fe2+)Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O
9.BG.20Pumpellyite-(Fe3+)Ca2(Fe3+,Mg,Fe2+)(Al,Fe3+)2(Si2O7)(SiO4)(OH,O)2 · H2O
9.BG.20Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
9.BG.20Pumpellyite-(Mn2+)Ca2(Mn2+,Mg)(Al,Mn3+,Fe3+)2(Si2O7)(SiO4)(OH)2 · H2O
9.BG.20ShuiskiteCa2(Mg,Al)(Cr,Al)2(Si2O7)(SiO4)(OH)2 · 2H2O
9.BG.20Julgoldite-(Fe3+)Ca2(Fe3+,Mg)(Fe3+,Al)2(Si2O7)(SiO4)(OH,O)2 · H2O
9.BG.20Pumpellyite-(Al)Ca2(Al,Fe2+,Mg)Al2(Si2O7)(SiO4)(OH,O)2 · H2O
9.BG.20PoppiiteCa2(V3+,Fe3+,Mg)(V3+,Al)2(Si2O7)(SiO4)(OH,O)2 · H2O
9.BG.20Julgoldite-(Mg)Ca2(Mg,Fe2+)(Fe3+,Al)2(Si2O7)(SiO4)(OH)2 · H2O
9.BG.25GanomalitePb9Ca5Mn(Si2O7)4(SiO4)O
9.BG.35Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
9.BG.35WiluiteCa19(Al,Mg)13(B,☐,Al)5(Si2O7)4(SiO4)10(O,OH)10
9.BG.35ManganvesuvianiteCa19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
9.BG.35FluorvesuvianiteCa19(Al,Mg,Fe2+)13(Si2O7)4(SiO4)10O(F,OH)9
9.BG.40Vyuntspakhkite-(Y)(Y,Yb)4Al2.5-1.5(Si,Al)1.5-2.5(SiO4)4O(OH)7
9.BG.45DellaiteCa6(Si2O7)(SiO4)(OH)2
9.BG.50Gatelite-(Ce)CaCe3Al2(Al,Mg)(Mg,Fe2+,Al)(Si2O7)(SiO4)3(O,F)(OH,O)2
9.BG.55Västmanlandite-(Ce)Ca(Ce,La)3Al2Mg2(Si2O7)(SiO4)3(OH)2F
17.3.2ZunyiteAl13Si5O20(OH,F)18Cl
17.3.3SodaliteNa8(Al6Si6O24)Cl2
17.3.4MarialiteNa4Al3Si9O24Cl
17.3.5TugtupiteNa4(AlBeSi4O12)Cl
17.3.6EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
17.3.7AlluaiviteNa19(Ca,Mn)6(Ti,Nb)3Si26O74Cl · 2H2O
17.3.8NasonitePb6Ca4(Si2O7)3Cl2
17.3.9AsisitePb7SiO9Cl2
17.3.10JagoitePb18Fe43+[Si4(Si,Fe3+)6][Pb4Si16(Si,Fe)4]O82Cl6
17.3.11Friedelite(Mn,Fe)8Si6O15(OH,Cl)10
17.3.12Pyrosmalite-(Fe)(Fe,Mn)8Si6O15(OH,Cl)10
17.3.13Pyrosmalite
17.3.14Pyrosmalite-(Mn)(Mn,Fe)8Si6O15(OH,Cl)10
17.3.16Mcgillite(Mn,Fe)8Si6O15(OH)8Cl2
17.3.17TraskiteBa21Ca(Fe2+,Mn,Ti)4(Ti,Fe,Mg)12(Si12O36)(Si2O7)6(O,OH)30Cl6·14H2O
17.3.18MuiriteBa10Ca2Mn2+Ti[(OH,Cl,F)|HSi2O7]5
17.3.19VerplanckiteBa2(Mn,Fe,Ti)Si2O6(O,OH,Cl,F)2 · 3H2O or near

Other Names for Rustumite

Name in Other Languages:
German:Rustumit
Spanish:Rustumita

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.

References for Rustumite

Reference List:
Mineralogical Magazine (1965) 34:1-15.

American Mineralogist (1965): 50: 2104.

American Mineralogist (1979): 64: 659.

Nature: 269: 231.

Gfeller, F., Armbruster, T., Galuskin, E.V., Galuskina, I.O., Lazic, B., Savelyeva, V.B., Zadov, A.E., Dzierżanowski, P., Gazeev, V.M. (2013): Crystal chemistry and hydrogen bonding of rustumite Ca10(Si2O7)2(SiO4)(OH)2Cl2 with variable OH, Cl, F. American Mineralogist, 98, 493-500.

Internet Links for Rustumite

Localities for Rustumite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Ireland
 
  • Co. Louth
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
Mexico
 
  • Queretaro
    • Mun. de Cadereyta
      • Maconi
MinRec 32:421; Panczner (1987):332.
Russia
 
  • Northern Caucasus Region
    • Kabardino-Balkarian Republic
      • Verkhnechegemskaya caldera (Verkhni Chegem caldera; Upper Chegem caldera)
American Mineralogist, Volume 94, pages 1361–1370, 2009
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
        • Chelyabinsk coal basin
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.
Sweden
 
  • Värmland
    • Filipstad
      • Persberg district
Sandström, F., Lorin, T. & Strand, U. (2009): Geologi och mineralogi i Gåsgruvefältet, Filipstad. Litofilen. 26 (2): 16-38
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
Turkey
 
  • Black Sea Region
    • Rize Province
Am Min 73:11-12 p 1497; Sarp H, Burri G (1987) Yeni bir mineral, trabzonit, Ca4 Si3 O10 2H2O. Bulletin of the Geological Society of Turkey 30, 57-60; Armbruster T, Yang P, Liebich B W (1996) Mechanism of the SiO4 for CO3 substitution in defernite, Ca6(CO3)1.58(Si2O7)0.21(OH)7[Cl0.50(OH)0.08(H2O)0.42]: a single-crystal X-ray study at 100 K. American Mineralogist 81, 625-631
UK (TL)
 
  • Scotland
    • North West Highlands
      • Ardnamurchan
Min Mag (1965) 34:1-15; Mineralogical Magazine 1965 34 : 1-15.
Mineral and/or Locality  
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