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Vanuralite

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Mounana Mine (Mouana Mine), Franceville, Haut-Ogooué Province, Gabon

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Formula:
Al(UO
 
2
)
 
2
(VO
 
4
)
 
2
(OH) · 11H
 
2
O
System:MonoclinicColour:Lemon-yellow
Hardness:2
Name:The name reflects its composition: VANadium, URanium and ALuminium.


Carnotite Group

Classification of Vanuralite

IMA status:Approved
Strunz 8th edition ID:7/E.11-10
Nickel-Strunz 10th (pending) edition ID:4.HB.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
B : Uranyl Sorovanodates
Dana 7th edition ID:42.11.15.1
Dana 8th edition ID:42.11.13.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : (AB)3(XO4)2Zq·xH2O
Hey's CIM Ref.:21.4.12

21 : Vanadates (and vanadates with arsenate or phosphate)
4 : Vanadates of U, Mn, Fe or Ni
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Type Occurrence of Vanuralite

Type Locality:Mounana Mine (Mouana Mine), Franceville, Haut-Ogooué Province, Gabon
Year of Discovery:1963

Physical Properties of Vanuralite

Diaphaneity (Transparency):Translucent
Colour:Lemon-yellow
Hardness (Mohs):2

Crystallography of Vanuralite

Crystal System:Monoclinic
Cell Parameters:a = 10.55Å, b = 8.44Å, c = 24.52Å
β = 103°
Ratio:a:b:c = 1.25 : 1 : 2.905
Unit Cell Volume:V 2,127.35 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Vanuralite

Type:Biaxial (-)
RI values: nα = 1.650 nβ = 1.850 nγ = 1.900
2V:Measured: 44° , Calculated: 48°
Maximum Birefringence:δ = 0.250

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:relatively strong

Chemical Properties of Vanuralite

Formula:
Al(UO
 
2
)
 
2
(VO
 
4
)
 
2
(OH) · 11H
 
2
O
Essential elements:Al, H, O, U, V
All elements listed in formula:Al, H, O, U, V

Relationship of Vanuralite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.HB.05Carnotite
K
 
2
(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 3H
 
2
O
4.HB.05Margaritasite
(Cs,K,H
 
3
O)
 
2
(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · H
 
2
O
4.HB.10Sengierite
Cu
 
2
(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 6H
 
2
O
4.HB.15Curienite
Pb(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 5H
 
2
O
4.HB.15Francevillite
(Ba,Pb)(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 5H
 
2
O
4.HB.15Fritzscheite
Mn(UO
 
2
)
 
2
(PO
 
4
,VO
 
4
)
 
2
 · 10H
 
2
O (?)
4.HB.20Metavanuralite
Al(UO
 
2
)
 
2
(VO
 
4
)
 
2
(OH) · 8H
 
2
O
4.HB.25Metatyuyamunite
Ca(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 3-5H
 
2
O
4.HB.25Tyuyamunite
Ca(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 5-8H
 
2
O
4.HB.30Strelkinite
Na
 
2
(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 6H
 
2
O
4.HB.35Uvanite
U
6+
2
V
5+
6
O
 
21
 · 15H
 
2
O (?)
4.HB.40Rauvite
Ca(UO
 
2
)
 
2
(V
 
10
O
 
28
) · 16H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
21.4.1Uvanite
U
6+
2
V
5+
6
O
 
21
 · 15H
 
2
O (?)
21.4.2Vanuranylite
(H
 
3
O)
 
2
(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 4H
 
2
O
21.4.3Strelkinite
Na
 
2
(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 6H
 
2
O
21.4.4Carnotite
K
 
2
(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 3H
 
2
O
21.4.5Margaritasite
(Cs,K,H
 
3
O)
 
2
(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · H
 
2
O
21.4.6Sengierite
Cu
 
2
(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 6H
 
2
O
21.4.7Metatyuyamunite
Ca(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 3-5H
 
2
O
21.4.8Tyuyamunite
Ca(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 5-8H
 
2
O
21.4.9Rauvite
Ca(UO
 
2
)
 
2
(V
 
10
O
 
28
) · 16H
 
2
O
21.4.10Francevillite
(Ba,Pb)(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 5H
 
2
O
21.4.11Metavanuralite
Al(UO
 
2
)
 
2
(VO
 
4
)
 
2
(OH) · 8H
 
2
O
21.4.13Curienite
Pb(UO
 
2
)
 
2
(VO
 
4
)
 
2
 · 5H
 
2
O
21.4.14Fritzscheite
Mn(UO
 
2
)
 
2
(PO
 
4
,VO
 
4
)
 
2
 · 10H
 
2
O (?)
21.4.15Palenzonaite
(Ca,Na)
 
3
CaMn
2+
2
(VO
 
4
)
 
3
21.4.16Santafeite
(Na,Ca,Sr)
 
12
(Mn
2+
 
,Fe
3+
 
,Al,Mg)
 
8
Mn
4+
8
(VO
 
4
)
 
16
(OH,O)
 
20
 · 8H
 
2
O
21.4.17Pyrobelonite
PbMn
2+
 
(VO
 
4
)(OH)
21.4.18Brackebuschite
Pb
 
2
(Mn
3+
 
,Fe
3+
 
)(VO
 
4
)
 
2
(OH)
21.4.19Čechite
Pb(Fe
2+
 
,Mn
2+
 
)(VO
 
4
)(OH)
21.4.20Heyite
Pb
 
5
Fe
2+
2
(VO
 
4
)
 
2
O
 
4
21.4.21Mounanaite
PbFe
3+
2
(VO
 
4
)
 
2
 · 2(OH,F)
21.4.22Schubnelite
Fe
3+
 
VO
 
4
 · H
 
2
O
21.4.23Fervanite
Fe
3+
4
V
5+
4
O
 
16
 · 5H
 
2
O
21.4.24Kazakhstanite
Fe
3+
5
V
4+
3
V
5+
12
O
 
39
(OH)
 
9
 · 9H
 
2
O
21.4.25Bokite
(Al,Fe
3+
 
)
 
1.3
(V
5+
 
,V
4+
 
,Fe
3+
 
)
 
8
O
 
20
 · 7.4H
 
2
O
21.4.26Rusakovite
(Fe
3+
 
,Al)
 
5
(VO
 
4
,PO
 
4
)
 
2
(OH)
 
9
 · 3H
 
2
O
21.4.27Kolovratite
Ni
 
x
Zn
 
y
(VO
 
4
)
 
0.67(x+y)
 · nH
 
2
O
Related Minerals - Dana Grouping):

- +
42.11.15.2Metavanuralite
Al(UO
 
2
)
 
2
(VO
 
4
)
 
2
(OH) · 8H
 
2
O
42.11.15.3Threadgoldite
Al(UO
 
2
)
 
2
(PO
 
4
)
 
2
(OH) · 8H
 
2
O
42.11.15.4Chistyakovaite
Al(UO
 
2
)
 
2
(AsO
 
4
)
 
2
(F,OH) · 6.5H
 
2
O

Other Names for Vanuralite

Other Languages:
German:Vanuralit
Spanish:Vanuralita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Vanuralite

Reference List:

- +
C. R. Acad. Sci. Paris (1963), 256, 5374-5376.

American Mineralogist (1963): 48: 1415.

Bulletin de la Société française de Minéralogie et de Cristallographie (1970): 93: 242-248.

American Mineralogist (1971): 56: 639.

Internet Links for Vanuralite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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    • Localities for Vanuralite

    The 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.
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    (TL) indicates type locality. ? 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.
    Gabon
     
    • Haut-Ogooué Province
      • Franceville
    		[C.R.Acad.Sci.Paris (1963) 256, 5374-5376; MinRec 6:239, 6:242, 6:246]
    Spain
     
    • Extremadura
      • Badajoz
        • Mérida
          • Carija hill
    		Calvo, M. (2009): Minerales y Minas de España. Vol. IV, Óxidos e Hidróxidos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 752 pp
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