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Alvanite

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About AlvaniteHide

Formula:
ZnAl4(V5+O3)2(OH)12 · 2H2O
Colour:
Pale bluish green to bluish black.
Lustre:
Vitreous, Pearly
Hardness:
3 - 3½
Specific Gravity:
2.49
Crystal System:
Monoclinic
Name:
Named in allusion to its composition, containing ALuminium and VANadium.
The zinc analogue of Ankinovichite.


Classification of AlvaniteHide

Approved
8.FE.05

8 : PHOSPHATES, ARSENATES, VANADATES
F : Polyphosphates, Polyarsenates, [4]-Polyvanadates
E : Ino-[4]-vanadates
42.13.13.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
13 : Miscellaneous
21.3.2

21 : Vanadates (and vanadates with arsenate or phosphate)
3 : Vanadates of Al, rare earths, Pb, V or Bi

Physical Properties of AlvaniteHide

Vitreous, Pearly
Transparency:
Translucent
Comment:
Pearly on cleavages.
Colour:
Pale bluish green to bluish black.
Streak:
White
Hardness:
3 - 3½ on Mohs scale
Cleavage:
Perfect
on {010}
Fracture:
Micaceous
Density:
2.49 g/cm3 (Measured)    2.492 g/cm3 (Calculated)

Optical Data of AlvaniteHide

Type:
Biaxial (-)
RI values:
nα = 1.658 nγ = 1.714
2V:
Measured: 80° to 85°
Max Birefringence:
δ = 0.056
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v, strong

Chemical Properties of AlvaniteHide

Formula:
ZnAl4(V5+O3)2(OH)12 · 2H2O
IMA Formula:
(Zn,Ni)Al4(VO3)2(OH)12 · 2H2O

Crystallography of AlvaniteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Cell Parameters:
a = 17.808 Å, b = 5.132 Å, c = 8.881 Å
β = 92.11°
Ratio:
a:b:c = 3.47 : 1 : 1.731
Unit Cell V:
811.09 ų (Calculated from Unit Cell)
Z:
2
Morphology:
In hexagonal platelets, micalike, with forms {001}, {010}, {100}, and {101}.
Twinning:
polysynthetic, parallel to {010}

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.46 Å(100)
8.91 Å(90)
7.85 Å(80)
5.02 Å(50)
1.973 Å(40)
3.287 Å(35)
2.957 Å(35)

Type Occurrence of AlvaniteHide

General Appearance of Type Material:
micalike platelets
Place of Conservation of Type Material:
Mining Institute, St. Petersburg, 1249/2; A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 65614.
Geological Setting of Type Material:
In the oxidation zone of a vanadiferous clay-anthraxolite horizon.
Associated Minerals at Type Locality:

Other Language Names for AlvaniteHide

German:Alvanit
Spanish:Alvanita

Relationship of Alvanite to other SpeciesHide

Structurally related to group(s):
Chalcoalumite GroupA group of metal(II)-Al-sulphates, with additional anions in some species.

Related Minerals - Nickel-Strunz GroupingHide

8.FE.05Ankinovichite(Ni,Zn)Al4(V5+O3)2(OH)12 · 2.5H2OMon. 2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

21.3.1SteigeriteAl(VO4) · 3H2OMon. 2/m : P21/m
21.3.3MetaschoderiteAl2(PO4)(VO4) · 6H2OMon. 2/m : P2/m
21.3.4SchoderiteAl2(PO4)(VO4) · 8H2OMon.
21.3.5SatpaeviteAl12V4+2V5+6O37 · 30H2O
21.3.6VanaliteNaAl8V10O38 · 30H2OMon.
21.3.7Wakefieldite-(Ce)Ce(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
21.3.7Wakefieldite-(Y)Y(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
21.3.8ChervetitePb2(V2O7)Mon.
21.3.9MottramitePbCu(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
21.3.10DescloizitePbZn(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
21.3.11ClinobisvaniteBi(VO4)Mon. 2/m
21.3.11DreyeriteBi(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
21.3.11PucheriteBi(VO4)Orth. mmm (2/m 2/m 2/m)
21.3.12SchumacheriteBi3(VO4)2O(OH)Tric.
21.3.13NamibiteCu(BiO)2(VO4)(OH)Tric. 1 : P1
21.3.14Pottsite(Pb3xBi4-2x)(VO4)4·H2O (0.8 < x < 1.0)Tet. 4/m : I41/a
21.3.15Duhamelite(Pb,Bi,Ca)Cu(VO4)(OH,O)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 AlvaniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ankinovich, E.A. (1959) New vanadium minerals - satpaevite and al'vanite [alvanite]. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 88: 157-164. [in Russian]
Fleischer, M. (1959) New mineral names. American Mineralogist: 44: 1325-1326. [abstract]
Pertlik, F., Dunn, P.J. (1990) Crystal structure of alvanite, (Zn,Ni)Al4(VO3)2(OH)^2 x 2H2O, the first example of an unbranched zweier-single chain vanadate in nature. Neues Jahrbuch für Mineralogie, Monatshefte: 1990: 385-392.
Dunn, P.J., Roberts, A.C., Pertlik, F. (1990) Alvanite from Kazakhstan, U.S.S.R.: new crystallographic and chemical data. Mineralogical Magazine: 54: 609-611.
Anthony, J. W. et al. (1997) Handbook of Mineralogy, Vol. 3, 12.

Internet Links for AlvaniteHide

Localities for AlvaniteHide

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.
Kazakhstan (TL)
 
  • Kyzylorda Region
    • Shieli
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
  • Turkistan Region
    • Aksumbe
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30
    • Ran River valley
Amer.Mineral. (1961) 46, 1200 (abs).
Bernard & Hyrsl (2004) Minerals and their Localities.
 
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