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Krivovichevite

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Sergey V. Krivovichev
Formula:
Pb3Al(OH)6(SO4)(OH)
Colour:
Colourless
Lustre:
Vitreous
Hardness:
3
Crystal System:
Trigonal
Name:
Named in 2007 by V. N. Yakovenchuk, Ya. A. Pakhomovsky, Yu. P. Men’shikov, J. A. Mikhailova, and G. Yu. Ivanyuk, in honor of Sergey Vladimirovich Krivovichev, Russian mineralogist and crystallographer, Professor at St. Petersburg State University. He is the son of Professor Dr Vladimir Gerasimovich Krivovichev (vladkrivovichevite) and Assistant Professor Galina Leonidovna Starova (starovaite).
Chemically related to minerals of the Alunite Supergroup.

Probably a metastable phase.


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Classification of KrivovicheviteHide

Approved
Approval Year:
2004
7.BC.75

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
C : With medium-sized and large cations

Physical Properties of KrivovicheviteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless
Streak:
White
Hardness:
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Conchoidal
Comment:
density difficult to measure due to mineral solubility

Optical Data of KrivovicheviteHide

Type:
Uniaxial (-)
RI values:
n = 1.9
Max Birefringence:
δ = 0.000
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Pleochroism:
Non-pleochroic
Comments:
optical properties difficult to measure due to mineral solubility

Chemical Properties of KrivovicheviteHide

Formula:
Pb3Al(OH)6(SO4)(OH)

Crystallography of KrivovicheviteHide

Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3c
Cell Parameters:
a = 7.693(8) Å, c = 31.57(9) Å
Ratio:
a:c = 1 : 4.104
Unit Cell V:
1618 ų
Z:
6

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.58(100)
3.10(60)
2.591(90)
2.216(50)
2.048(70)
1.893(50)
1.859(40)
1.704(80)
Comments:
From type description.

Type Occurrence of KrivovicheviteHide

General Appearance of Type Material:
Equant grains up to 1 cm across within galena aggregates; formed from galena by hydrothermal alteration.
Geological Setting of Type Material:
Natrolite-aegirine-orthoclase vein within lujavrite; likely a late-stage hydrothermal phase formed by low temperature (<100oC) alteration of galena and natrolite, a process also responsible for the formation of Na-rich opal and quartz; may be leached from pseudomorphoses after galena
Associated Minerals at Type Locality:

Synonyms of KrivovicheviteHide

Other Language Names for KrivovicheviteHide

Simplified Chinese:羟铝铅矾

Related Minerals - Nickel-Strunz GroupingHide

7.BC.Adranosite-(Fe)(NH4)4NaFe3+2(SO4)4Cl(OH)2Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
7.BC.Adranosite(NH4)4NaAl2(SO4)4Cl(OH)2Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
7.BC.05D'AnsiteNa21Mg(SO4)10Cl3Iso.
7.BC.10AluniteKAl3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10Ammonioalunite(NH4)Al3(SO4)2(OH)6Trig.
7.BC.10Ammoniojarosite(NH4)Fe3+3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10ArgentojarositeAgFe3+3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10Beaverite-(Cu)Pb(Fe3+2Cu)(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10DorallchariteTlFe3+3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10HuangiteCa0.5Al3(SO4)2(OH)6Trig.
7.BC.10Hydroniumjarosite(H3O)Fe3+3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10JarositeKFe3+ 3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10Natroalunite-2c(Na,Ca0.5,K)Al3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10NatroaluniteNaAl3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10NatrojarositeNaFe3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10OsarizawaitePb(Al2Cu2+)(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10PlumbojarositePb0.5Fe3+3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10Schlossmacherite(H3O)Al3(SO4)2(OH)6Trig.
7.BC.10WalthieriteBa0.5Al3(SO4)2(OH)6Trig.
7.BC.10Beaverite-(Zn)Pb(Fe3+2Zn)(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.15Ye'elimiteCa4Al6(SO4)O12Iso.
7.BC.20AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3ClTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
7.BC.20NabokoiteKCu7(SO4)5(Te4+O3)OClTet.
7.BC.25ChlorothioniteK2Cu(SO4)Cl2Orth. mmm (2/m 2/m 2/m) : Pnma
7.BC.30EuchlorineKNaCu3(SO4)3OMon.
7.BC.30FedotoviteK2Cu3(SO4)3OMon. 2/m : B2/b
7.BC.35KamchatkiteKCu3(SO4)2OClOrth. mmm (2/m 2/m 2/m) : Pnma
7.BC.40PiypiteK4Cu4O2(SO4)4 · (Na,Cu)ClTet.
7.BC.45KlyuchevskiteK3Cu3(Fe3+,Al)(SO4)4O2Mon.
7.BC.45AlumoklyuchevskiteK3Cu3(Al,Fe3+)(SO4)4O2Tric. 1 : P1
7.BC.50CaledonitePb5Cu2(SO4)3(CO3)(OH)6Orth. mm2 : Pmn21
7.BC.55WherryitePb7Cu2(SO4)4(SiO4)2(OH)2Mon. 2/m : B2/m
7.BC.60MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2Mon. 2 : B2
7.BC.65LinaritePbCu(SO4)(OH)2Mon. 2/m : P21/m
7.BC.65SchmiederitePb2Cu2(Se6+O4)(Se4+O3)(OH)4Mon.
7.BC.65MunakataitePb2Cu2(Se4+O3)(SO4)(OH)4Mon. 2/m : P21/m
7.BC.70ChenitePb4Cu(SO4)2(OH)6Tric. 1 : P1
7.BC.80AnhydrokainiteKMg(SO4)Cl

Other InformationHide

Notes:
said to be soluble in water, benzine, acetone, and heavy liquids
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 KrivovicheviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Yakovenchuk, V.N., Pakhomovsky, Ya.A., Men’shikov, Yu.P., Mikhailova, J.A., Ivanyuk, G.Yu. (2007) Krivovichevite, Pb3[Al(OH)6](SO4)(OH), a new mineral from the Lovozero alkaline massif, Kola Peninsula, Russia. Canadian Mineralogist: 45: 451-456.
Krivovichev, S.V., Armbruster, T., Yakovenchuk, V.N. (2009) The crystal structure of krivovichevite, Pb3[Al(OH)6](SO4)(OH). Canadian Mineralogist: 47: 153-158.

Internet Links for KrivovicheviteHide

Localities for KrivovicheviteHide

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)
 
  • Northern Region
    • Murmanskaya Oblast'
      • Lovozero Massif
        • Seidozero Lake
Yakovenchuk, V.N., Pakhomovsky, Ya.A., Men’shikov, Yu.P., Mikhailova, J.A., and Ivanyuk, G.Yu. (2007): Canadian Mineralogist 45, 451-456.
Mineral and/or Locality  
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