Metalodèvite
A valid IMA mineral species
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About Metalodèvite
Lodèv, France
Formula:
Zn(UO2)2(AsO4)2 · 10H2O
Colour:
Olive green, pale yellow
Lustre:
Waxy, Pearly
Hardness:
2 - 3
Specific Gravity:
4.01 (Calculated)
Crystal System:
Tetragonal
Member of:
Name:
Named in 1972 by Henri Agrinier, Francis Chantret, Jacques Geffroy, Bernard Hery, Bernard Bachet, and Helene Vachey for the type locality at Lodève, Herault, France and "meta" indicating its association with the meta-autunite group. The mineral has been previously named including a hyphen (meta-lodèvite) and/or without the diacritic. The current spelling was given by Burke (2008).
Type Locality:
Unique Identifiers
Mindat ID:
2679
Long-form identifier:
mindat:1:1:2679:2
GUID
(UUID V4):
(UUID V4):
b4446794-0040-43bd-833e-c2cbe0c6e84e
IMA Classification of Metalodèvite
Approved
First published:
1972
Classification of Metalodèvite
8.ED.10
8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
D : Unclassified
8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
D : Unclassified
40.2a.18.1
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
20.7.13
20 : Arsenates (also arsenates with phosphate, but without other anions)
7 : Arsenates of U
20 : Arsenates (also arsenates with phosphate, but without other anions)
7 : Arsenates of U
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 |
|---|---|---|
| Mldv | 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 Metalodèvite
Waxy, Pearly
Transparency:
Transparent, Translucent
Colour:
Olive green, pale yellow
Streak:
White
Hardness:
2 - 3 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
{001}
{001}
Fracture:
Micaceous
Density:
4.01 g/cm3 (Calculated)
Optical Data of Metalodèvite
Type:
Biaxial (-)
RI values:
nα = 1.615 nβ = 1.635 nγ = 1.638
2V:
Measured: 27° to 37°
Birefringence:
0.023
Max Birefringence:
δ = 0.023
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:
Moderate
Dispersion:
r < v
Chemistry of Metalodèvite
Mindat Formula:
Zn(UO2)2(AsO4)2 · 10H2O
Crystallography of Metalodèvite
Crystal System:
Tetragonal
Class (H-M):
4/m - Dipyramidal
Space Group:
P42/m
Setting:
P42/m
Cell Parameters:
a = 7.16 Å, c = 17.20 Å
Ratio:
a:c = 1 : 2.402
Unit Cell V:
881.77 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Found as square to rectangular platy crystals. Platy on [001].
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 8.66 Å | (70) |
| 5.09 Å | (40) |
| 4.92 Å | (10) |
| 4.33 Å | (5) |
| 3.59 Å | (100) |
| 3.50 Å | (30) |
| 2.98 Å | (60) |
| 2.58 Å | (15) |
| 2.545 Å | (30) |
| 2.288 Å | (30) |
| 2.240 Å | (5) |
| 2.190 Å | (5) |
| 2.170 Å | (25) |
| 1.790 Å | (20) |
| 1.690 Å | (10) |
| 1.610 Å | (15) |
Comments:
ICDD 25-1239
Type Occurrence of Metalodèvite
General Appearance of Type Material:
Platy crystals less than 0.2 mm.
Place of Conservation of Type Material:
Atomic Energy Commission, Fontenay-aux-Roses; National School of Mines, Paris, France.
National Museum of Natural History, Washington, D.C., USA, 165403.
National Museum of Natural History, Washington, D.C., USA, 165403.
Associated Minerals at Type Locality:
Reference:
Agrinier, H., Chantret, F., Geffroy, J., Héry, B., Bachet, B., Vachet, H. (1972) Une nouvelle espèce minérale: la méta-lodèvite (arséniate hydraté d'uranium et de zinc. Bulletin de la Société française de Minéralogie et de Cristallographie: 95: 360-364.
Synonyms of Metalodèvite
Other Language Names for Metalodèvite
German:Lodevit
Metalodevit
Metalodevit
Spanish:Metalodevita
Relationship of Metalodèvite to other Species
Member of:
Other Members of this group:
| Abernathyite | K(UO2)(AsO4) · 3H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc |
| Chernikovite | (H3O)2(UO2)2(PO4)2 · 6H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
| Lehnerite | Mn2+(UO2)2(PO4)2 · 8H2O | Mon. 2/m |
| Meta-ankoleite | K2(UO2)2(PO4)2 · 6H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
| Meta-autunite | Ca(UO2)2(PO4)2 · 6H2O | Tet. 4/mmm (4/m 2/m 2/m) |
| Metaheinrichite | Ba(UO2)2(AsO4)2 · 8H2O | Mon. 2 : P21 |
| Metakahlerite | Fe2+(UO2)2(AsO4)2 · 8H2O | Tric. 1 : P1 |
| Metakirchheimerite | Co(UO2)2(AsO4)2 · 8H2O | Tric. 1 : P1 |
| Metanatroautunite | Na(UO2)(PO4)(H2O)3 | Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc |
| Metanováčekite | Mg(UO2)2(AsO4)2 · 8H2O | Tet. 4/m : P4/n |
| Metarauchite | Ni(UO2)2(AsO4)2 · 8H2O | Tric. 1 : P1 |
| Metasaléeite | Mg(UO2)2(PO4)2 · 8H2O | |
| Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O | Tet. 4/m : P4/n |
| Metauranocircite | Ba(UO2)2(PO4)2 · 7H2O | Mon. 2 : P21 |
| Metauranospinite | Ca(UO2)2(AsO4)2 · 8H2O | Tet. 4/m : P42/n |
| Metazeunerite | Cu(UO2)2(AsO4)2 · 8H2O | Tet. 4/m : P42/n |
| Natrouranospinite | Na2(UO2)2(AsO4)2 · 5H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
| Trögerite | (H3O)(UO2)(AsO4) · 3H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
| Uramarsite | (NH4)(UO2)(AsO4) · 3H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/mmm |
| Uramphite | (NH4)2(UO2)2(PO4)2 · 6H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc |
Common Associates
Associated Minerals Based on Photo Data:
| 4 photos of Metalodèvite associated with Uranopilite | (UO2)6(SO4)O2(OH)6 · 14H2O |
| 3 photos of Metalodèvite associated with Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| 2 photos of Metalodèvite associated with Bitumen | |
| 2 photos of Metalodèvite associated with Kahlerite | Fe(UO2)2(AsO4)2 · 12H2O |
| 2 photos of Metalodèvite associated with Parauranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| 2 photos of Metalodèvite associated with Zippeite | K3(UO2)4(SO4)2O3(OH) · 3H2O |
| 2 photos of Metalodèvite associated with Uraninite | UO2 |
| 1 photo of Metalodèvite associated with Sphalerite | ZnS |
| 1 photo of Metalodèvite associated with Gypsum | CaSO4 · 2H2O |
Related Minerals - Strunz-mindat Grouping
| 8.ED.05 | Moreauite | Al3(UO2)(PO4)3(OH)2 · 13H2O |
| 8.ED.10 | Asselbornite | Pb(BiO)3(UO2)4(AsO4)2(OH)7 · 4H2O |
| 8.ED.10 | Šreinite | Pb(BiO)3(UO2)4(PO4)2(OH)7 · 4H2O |
| 8.ED.15 | Kamitugaite | PbAl[(UO2)5(PO4)2.38(AsO4)0.62O2(OH)2] · 11.5H2O |
| 8.ED.20 | Nielsbohrite | K(UO2)3(AsO4)(OH)4 · H2O |
Fluorescence of Metalodèvite
Fluoresces green to yellow-green in shortwave
Other Information
Notes:
Dissolves in cold dilute HCl or HNO3.
Radioactive.
Radioactive.
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 Metalodèvite
mindat.org URL:
https://www.mindat.org/min-2679.html
Please feel free to link to this page.
Please feel free to link to this page.
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External Links:
Mineral Dealers:
References for Metalodèvite
Reference List:
Burke, Ernst A. J. (2008) Tidying up mineral names: an IMA-CNMNC scheme for suffixes, hyphens and diacritical marks. The Mineralogical Record, 39 (2) 131-135
Localities for Metalodèvite
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.
Czech Republic | |
| Pauliš P. et al. (Kutna Hora, issue 1) |
| C.Auer (2014) |
| Lapis 2002 (7/8) |
France (TL) | |
| Agrinier et al. (1972) +1 other reference |
| [Bull.Soc.fr.Min.Crist. (1972) +1 other reference |
| [Le Cahier des Micromonteurs |
Italy | |
| Italo Campostrini 2013 (SEM-EDS + XRD analysis) |
UK | |
| George Eric Stanley Curtis collection |
USA | |
| Parker et al. (1982) +2 other references |
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Jánská vein, Březové Hory deposit, Březové Hory, Příbram, Příbram District, Central Bohemian Region, Czech Republic