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Vladimirivanovite

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About VladimirivanoviteHide

Formula:
Na6Ca2(Al6Si6O24)(SO4,S3,S2,Cl)2 · H2O
Colour:
Dark blue to ink-blue, light blue or greenish-blue to white
Hardness:
5 - 5½
Crystal System:
Orthorhombic
Name:
Named in honor of Vladimir Georgievich Ivanov (Владимира Георгиевича Иванова) (1947-2002), Russian mineralogist and geochemist. He studied the lazurite deposits of the Pamirs and Pribaikalye and made significant contributions to the knowledge of the complex processes of lapis formation.
First recognized as “triclinic lazurite” (compare UM1976-26-SiOSO:AlCaClHNa) and later as “orthorhombic lazurite”; but later as an orthorhombic polytype of lazurite with a modulated structure, i.e. Lazurite-O. The modulations arise from a rotation of the sulfate tetrahedra in the sodalite cages.

Lazurite is itself probably just a sulphide-rich variety of Hauyne, or a hypothetical endmember, and the analysis of Vladimirivanovite (Handbook of Mineralogy) indicates that it is sulphate rich and thus closer to hauyne than lazurite.


Classification of VladimirivanoviteHide

Approved
Approval Year:
2011
First Published:
2011

Physical Properties of VladimirivanoviteHide

Transparency:
Translucent
Colour:
Dark blue to ink-blue, light blue or greenish-blue to white
Comment:
Similar colours to hauyne
Streak:
Blue to white
Hardness:
5 - 5½ on Mohs scale
Hardness:
VHN50=575 kg/mm2 - Vickers
Hardness Data:
Measured
Tenacity:
Brittle

Chemical Properties of VladimirivanoviteHide

Formula:
Na6Ca2(Al6Si6O24)(SO4,S3,S2,Cl)2 · H2O
IMA Formula:
Na6Ca2[Al6Si6O24](SO4,S3,S2,Cl)2 · H2O

Crystallography of VladimirivanoviteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 9.066(3) Å, b = 12.851(3) Å, c = 38.558(10) Å
Ratio:
a:b:c = 0.705 : 1 : 3
Unit Cell V:
4,492.28 ų (Calculated from Unit Cell)
Comment:
Space group Pnaa

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.61 Å(5)
6.43 Å(11)
3.710 Å(100)
2.623 Å(30)
2.273 Å(6)
2.141 Å(14)
1.783 Å(9)
1.606 Å(6)

Type Occurrence of VladimirivanoviteHide

Place of Conservation of Type Material:
Mineralogical Museum of Saint Petersburg State University, Saint Petersburg (Russia), catalogue no. 1/19366.
Reference:
Sapozhnikov, A.N., Kaneva, E.V., Cherepanov, D.I., Suvorova, L.F., Levitsky, V.I., Ivanova, L.A., Reznitsky, L.Z. (2011) Vladimirivanovite, Na6Ca2[Al6Si6O24](SO4,S3,S2,Cl)2·H2O - a new mineral of the sodalite group. Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva: 140: 36-45.

Synonyms of VladimirivanoviteHide

Relationship of Vladimirivanovite to other SpeciesHide

Other Members of this group:
Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)Iso. 4 3m : P4 3n
LazuriteNa6Ca2(Al6Si6O24)(SO4,S,S2,S3,Cl,OH)2Iso. 4 3m : P4 3n
NoseanNa8(Al6Si6O24)(SO4) · H2OIso. 4 3m : P4 3n
SodaliteNa8(Al6Si6O24)Cl2Iso. 4 3m : P4 3n
Tsaregorodtsevite(N(CH3)4)(AlSi5O12)Orth.

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 VladimirivanoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Evsyunin, V.G., Sapozhnikov, A.N., Kashaev, A.A., Rastsvetaeva, R.K. (1997) Crystal structure of triclinic lazurite. Crystallography Reports: 42(6): 938-945.
Evsyunin, V.G., Rastsvetaeva, R.K., Sapozhnikov, A.N., Kashaev, A.A. (1998) Modulated structure of orthorhombic lazurite. Crystallography Reports: 43(6): 999-1002.
Sapozhnikov, A.N., Kaneva, E.V., Cherepanov, D.I., Suvorova, L.F., Levitsky, V.I., Ivanova, L.A., Reznitsky, L.Z. (2011) Vladimirivanovite, IMA 2010-070. CNMNC Newsletter 8, 291. Mineralogical Magazine: 75: 289-294.
Sapozhnikov, A.N., Kaneva, E.V., Cherepanov, D.I., Suvorova, L.F., Levitsky, V.I., Ivanova, L.A., Reznitsky, L.Z. (2011) Vladimirivanovite, Na6Ca2[Al6Si6O24](SO4,S3,S2,Cl)2·H2O - a new mineral of the sodalite group. Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva: 140: 36-45.
Sapozhnikov, A.N., Kaneva, E.V., Cherepanov, D.I., Suvorova, L.F., Levitsky, V.I., Ivanova, L.A., Reznitsky, L.Z. (2012) Vladimirivanovite, Na6Ca2[Al6Si6O24](SO4,S3,S2,Cl)2 · H2O, a new mineral of sodalite group. Geology of Ore Deposits: 54(7): 557-564.

Internet Links for VladimirivanoviteHide

Localities for VladimirivanoviteHide

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.
Russia (TL)
 
  • Irkutsk Oblast
    • Lake Baikal area
      • Slyudyanka (Sludyanka)
        • Malaya Bystraya River Valley
Sapozhnikov, A.N., Kaneva, E.V., Cherepanov, D.I., Suvorova, L.F., Levitsky, V.I., Ivanova, L.A., and Reznitsky, L.Z. (2011): CNMNC Newsletter 8, 291; Sapozhnikov, A.N., Kaneva, E.V., Cherepanov, D.I., Suvorova, L.F., Levitsky, V.I., Ivanova, L.A., Reznitsky, L.Z. (2011): Vladimirivanovite, Na6Ca2[Al6Si6O24](SO4,S3,S2,Cl)2·H2O - a new mineral of the sodalite group, Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva, 140, 36-45 [English version: Geology of Ore Deposits, 54 (2012) 557–564]
Tajikistan (TL)
 
  • Gorno-Badakhshan
    • Shughnon
      • Shakhdara range
        • Badom-Dara
Sapozhnikov, A.N., Kaneva, E.V., Cherepanov, D.I., Suvorova, L.F., Levitsky, V.I., Ivanova, L.A., and Reznitsky, L.Z. (2011): CNMNC Newsletter 8, 291; Sapozhnikov, A.N., Kaneva, E.V., Cherepanov, D.I., Suvorova, L.F., Levitsky, V.I., Ivanova, L.A., Reznitsky, L.Z. (2011): Vladimirivanovite, Na6Ca2[Al6Si6O24](SO4,S3,S2,Cl)2·H2O - a new mineral of the sodalite group, Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva, 140, 36-45 [English version: Geology of Ore Deposits, 54 (2012) 557–564]
 
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