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Leiteite

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Big Photo

Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
© Brent Thorne

Show Leiteite Photos (21)



Formula:
Zn(As
 
2
O
 
4
)
System:MonoclinicHardness:1½ - 2
Name:Named for Luis Antonio Bravo Teixeira-Leite (1942–1999), Portuguese-South African amateur mineralogist of Pretoria, South Africa, who noted the first specimen.
This page provides mineralogical data about Leiteite.

Classification of Leiteite

IMA status:Approved
Strunz 8th edition ID:4/J.10-20
Nickel-Strunz 10th (pending) edition ID:4.JA.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
A : Arsenites, antimonites, bismuthites; without additional anions, without H2O
Dana 8th edition ID:45.1.7.1

45 : ACID AND NORMAL ANTIMONITES AND ARSENITES
1 : Miscellaneous
Hey's CIM Ref.:23.3

23 : Arsenites
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Type Occurrence of Leiteite

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Year of Discovery:1977

Physical Properties of Leiteite

Hardness (Mohs):1½ - 2

Crystallography of Leiteite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/b {P1 1 21/b} {P21/c} {P1 21/c 1} {P21/a}
Space Group Setting:P1 21/c 1
Cell Parameters:a = 4.542(1) Å, b = 5.022(1) Å, c = 17.597(5) Å
β = 90.81(3)°
Ratio:a:b:c = 0.904 : 1 : 3.504
Unit Cell Volume:V 401.35 ų (Calculated from Unit Cell)
Z:4
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 Leiteite

Type:Biaxial (+)
RI values: nα = 1.870 nβ = 1.880 nγ = 1.980
2V:Measured: 26° , Calculated: 38°
Maximum Birefringence:δ = 0.110

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 Leiteite

Formula:
Zn(As
 
2
O
 
4
)
Essential elements:As, O, Zn
All elements listed in formula:As, O, Zn

Relationship of Leiteite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.JA.10Reinerite
Zn
 
3
(AsO
 
3
)
 
2
4.JA.15Karibibite
Fe
 
2
As
 
4
O
 
9
4.JA.20Kusachiite
CuBi
 
2
O
 
4
4.JA.20Schafarzikite
Fe
2+
 
Sb
3+
2
O
 
4
4.JA.20Trippkeite
Cu[As
 
2
O
 
4
]
4.JA.25Apuanite
Fe
2+
 
Fe
3+
4
Sb
3+
4
O
 
12
S
4.JA.30Versiliaite
Fe
 
2
Fe
 
4
Sb
 
6
O
 
16
S
4.JA.35Schneiderhöhnite
Fe
2+
 
Fe
3+
3
[As
 
5
O
 
13
]
4.JA.40Zimbabweite
(Na,K)
 
2
PbAs
 
4
(Ta,Nb,Ti)
 
4
O
 
18
4.JA.45Ludlockite
PbFe
3+
4
As
3+
10
O
 
22
4.JA.50Paulmooreite
Pb
 
2
[As
 
2
O
 
5
]
4.JA.55Stibivanite
Sb
 
2
VO
 
5
4.JA.60Chadwickite
(UO
 
2
)[HAsO
 
3
]
Related Minerals - Hey's Index Grouping:

- +
23.2Nanlingite
NaMg
 
4
(AsO
 
3
)
 
2
F
 
4
23.5Kuznetsovite
(Hg
+
2
)Hg
2+
 
(AsO
 
4
)Cl
23.6Paulmooreite
Pb
 
2
[As
 
2
O
 
5
]
23.7Ecdemite
Pb
 
6
Cl
 
4
(As
 
2
O
 
7
)
23.8Heliophyllite
Pb
 
6
Cl
 
4
(As
 
2
O
 
7
)
23.9Finnemanite
Pb
 
5
(AsO
 
3
)
 
3
Cl
23.10Gebhardite
Pb
 
8
(As
 
2
O
 
5
)
 
2
OCl
 
6
23.11Zimbabweite
(Na,K)
 
2
PbAs
 
4
(Ta,Nb,Ti)
 
4
O
 
18
23.13Rouseite
Pb
 
2
Mn
2+
 
[AsO
 
3
]
 
2
 · 2H
 
2
O
23.14Freedite
Cu
+
 
Pb
 
8
(AsO
 
3
)
 
2
O
 
3
Cl
 
5
23.15Manganarsite
Mn
 
3
(As
 
2
O
 
4
)(OH)
 
4
23.17Armangite
Mn
2+
26
(AsO
 
3
)
 
14
(HAsO
 
3
)
 
4
(CO
 
3
)
23.18Karibibite
Fe
 
2
As
 
4
O
 
9
23.19Schneiderhöhnite
Fe
2+
 
Fe
3+
3
[As
 
5
O
 
13
]
23.20Lazarenkoite
(Ca,Fe)FeAs
 
3
O
 
7
 · 3H
 
2
O
23.21Stenhuggarite
CaFeSb(AsO
 
3
)
 
2
O
23.22Tomichite
(V,Fe)
 
4
Ti
 
3
AsO
 
13
(OH)

Other Names for Leiteite

Synonyms:
IMA1976-026
Other Languages:
German:Leiteit
Russian:Лейтеит
Spanish:Leiteita

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 Leiteite

Reference List:

- +
Cesbron, F.P., Erd, R.C., Czamanski, G.K. and Vachey, H. (1977) Leiteite, a new mineral from Tsumeb. Mineralogical Record, 8, 95-97.

American Mineralogist (1977): 62: 1259-1260.

Ghose, S., Sen Gupta, P.K. and Schlemper, E.O. (1987) Leiteite, ZnAs2O4: a novel type of tetrahedral layer structure with arsenite chains. American Mineralogist, 72, 629-632.

Internet Links for Leiteite

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Leiteite details from Handbook of Mineralogy (PDF)
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    • Specimens:The following Leiteite specimens are currently listed for sale on minfind.com.
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    • Localities for Leiteite

    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.
    Hide Locality List
    (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.
    Austria
     
    • Styria
      • Niedere Tauern Mts
        • Öblarn
          • Walchen
    		Schebesta, K. (1992): Schlackenminerale aus der Walchen bei Öblarn. Lapis 17 (2), 19-30; 50.
    France
     
    • Languedoc-Roussillon
      • Lozère
        • Pont-de-Montvert
          • Vialas
    		No reference listed
    Germany
     
    • North Rhine-Westphalia
      • Sauerland
        • Arnsberg
          • Uentrop
    		Lapis, 14 (6), 11-32+50.
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		Min.Rec.(1977) 8, 95-97
    Mineral and/or Locality
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