Leiteite
A valid IMA mineral species
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About Leiteite
LUÍS ANTÓNIO BRAVO TEIXEIRA LEITE
Formula:
Zn(As2O4)
Colour:
Colorless to brown
Lustre:
Pearly
Hardness:
1½ - 2
Specific Gravity:
4.3
Crystal System:
Monoclinic
Name:
Named for Luis Antonio Bravo Teixeira-Leite (1942–1999), Portuguese-South African amateur mineralogist of Pretoria, South Africa, who noted the first specimen. Pronounced 'lāˈ-tīt'. Look more details here: http://www.mindat.org/article.php/1606/Homage+to+a+friend
This page provides mineralogical data about Leiteite.
Unique Identifiers
Mindat ID:
2370
Long-form identifier:
mindat:1:1:2370:8
GUID
(UUID V4):
(UUID V4):
ef68ce88-25ac-46f7-80d7-c93d7e3df653
IMA Classification of Leiteite
Approved
IMA Formula:
ZnAs3+2O4
First published:
1977
Classification of Leiteite
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
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
45.1.7.1
45 : ACID AND NORMAL ANTIMONITES AND ARSENITES
1 : Miscellaneous
45 : ACID AND NORMAL ANTIMONITES AND ARSENITES
1 : Miscellaneous
23.3
23 : Arsenites
23 : Arsenites
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Lt | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Leiteite
Pearly
Transparency:
Transparent
Colour:
Colorless to brown
Streak:
White
Hardness:
1½ - 2 on Mohs scale
Tenacity:
Flexible
Cleavage:
Perfect
{100}
{100}
Comment:
Flexible and inelastic, somewhat sectile
Density:
4.3(1) g/cm3 (Measured) 4.61 g/cm3 (Calculated)
Comment:
Measured value low due to air trapped between cleavage surfaces.
Optical Data of Leiteite
Type:
Biaxial (+)
RI values:
nα = 1.870 nβ = 1.880 nγ = 1.980
2V:
Measured: 26° , Calculated: 38°
Max Birefringence:
δ = 0.110
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
relatively strong
Comments:
X ∧ a = +11°; Z ∧ c = +10°; Y = b.
Chemistry of Leiteite
Mindat Formula:
Zn(As2O4)
Elements listed:
Crystallography of Leiteite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
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)°
β = 90.81(3)°
Ratio:
a:b:c = 0.904 : 1 : 3.504
Unit Cell V:
401.35 ų (Calculated from Unit Cell)
Z:
4
Morphology:
No crystal forms
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0001093 | Leiteite | Ghose S, Sen Gupta P K, Schlemper E O (1987) Leiteite, ZnAs2O4: A novel type of tetrahedral layer structure with arsenite chains American Mineralogist 72 629-632 |  | 1987 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
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Radiation - Copper Kα
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.133 Å | (100) |
| 3.163 Å | (76) |
| 1.685 Å | (49) |
| 3.320 Å | (39) |
| 3.302 Å | (32) |
| 4.833 Å | (31) |
Comments:
From type description. Strong preferred orientation can affect the data.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] | |
| 47h : [Near-surface oxidized, dehydrated minerals] | |
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 56 : Slag and smelter minerals (see also #51 and #55) |
Type Occurrence of Leiteite
General Appearance of Type Material:
Cleavable masses to 7 cm.
Place of Conservation of Type Material:
Natural History Museum, London, United Kingdom, number BM 1976,432.
National Museum of Natural History (Smithsonian Institution), Washington, D.C., USA, number 137105.
Royal Ontario Museum, Toronto, Ontario, Canada, number M34727.
National Museum of Natural History (Smithsonian Institution), Washington, D.C., USA, number 137105.
Royal Ontario Museum, Toronto, Ontario, Canada, number M34727.
Associated Minerals at Type Locality:
Reference:
Cesbron, F.P., Erd, R.C., Czamanski, G.K., Vachey, H. (1977) Leiteite, a new mineral from Tsumeb. The Mineralogical Record, 8, 95-97.
Synonyms of Leiteite
Other Language Names for Leiteite
Common Associates
Associated Minerals Based on Photo Data:
| 46 photos of Leiteite associated with Ludlockite | PbFe3+4As3+10O22 |
| 10 photos of Leiteite associated with Germanite | Cu13Fe2Ge2S16 |
| 7 photos of Leiteite associated with Stottite | Fe2+[Ge4+(OH)6] |
| 6 photos of Leiteite associated with Chalcocite | Cu2S |
| 5 photos of Leiteite associated with Tennantite Subgroup | Cu6(Cu4C2+2)As4S12S |
| 5 photos of Leiteite associated with Tennantite-(Fe) | Cu6(Cu4Fe2+2)As4S12S |
| 5 photos of Leiteite associated with Berthierine | (Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4 |
| 4 photos of Leiteite associated with Quartz | SiO2 |
| 3 photos of Leiteite associated with Unnamed Mineral (Tsumeb GS4) | |
| 3 photos of Leiteite associated with Warikahnite | Zn3(AsO4)2 · 2H2O |
Related Minerals - Strunz-mindat Grouping
| 4.JA.10 | Reinerite | Zn3(AsO3)2 |
| 4.JA.15 | Karibibite | Fe3+3(As3+O2)4(As3+2O5)(OH) |
| 4.JA.20 | Kusachiite | CuBi2O4 |
| 4.JA.20 | Schafarzikite | Fe2+Sb3+2O4 |
| 4.JA.20 | Trippkeite | Cu2+As3+2O4 |
| 4.JA.20 | Igelströmite | Fe3+(SbPb)O4 |
| 4.JA.20 | Manganoschafarzikite | MnSb2O4 |
| 4.JA.25 | Apuanite | Fe2+Fe3+4Sb3+4O12S |
| 4.JA.30 | Versiliaite | Fe2Fe4Sb6O16S |
| 4.JA.35 | Schneiderhöhnite | Fe2+Fe3+3As3+5O13 |
| 4.JA.40 | Zimbabweite | (Na,K)2PbAs4(Ta,Nb,Ti)4O18 |
| 4.JA.45 | Ludlockite | PbFe3+4As3+10O22 |
| 4.JA.50 | Paulmooreite | Pb2[As2O5] |
| 4.JA.55 | Stibivanite | Sb2VO5 |
| 4.JA.60 | Chadwickite | (UO2)[HAsO3] |
Fluorescence of Leiteite
Not fluorescent
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Leiteite
mindat.org URL:
https://www.mindat.org/min-2370.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Leiteite
Reference List:
Fleischer, Michael, Cabri, Louis J., Pabst, and Adolf (1977) New mineral names. American Mineralogist, 62 (11-12) 1259-1262 pp.1259-1260
Localities for Leiteite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Austria | |
| 50 +2 other references |
France | |
| Lheur et al. (1998) |
Germany | |
| Schnorrer-Köhler (1988) |
| Schnorrer-Köhler (1989) +1 other reference |
Namibia (TL) | |
| Cesbron et al. (1977) |
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Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia