Asselbornite
A valid IMA mineral species
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About Asselbornite
Éric Asselborn
Formula:
Pb(BiO)3(UO2)4(AsO4)2(OH)7 · 4H2O
Colour:
Brown to lemon-yellow
Lustre:
Adamantine, Greasy
Hardness:
3
Specific Gravity:
5.7 (Calculated)
Crystal System:
Isometric
Name:
Named in 1983 by Halil Sarp, Jean Bertrand, and Jacques Deferne in honor of Éric Asselborn [b. December 30, 1954 – ], surgeon and mineral collector, of Dijon, France, in whose collection the mineral was first found.
Unique Identifiers
Mindat ID:
397
Long-form identifier:
mindat:1:1:397:9
GUID
(UUID V4):
(UUID V4):
2be445ee-4006-47e7-90c9-f6efd6ccd633
IMA Classification of Asselbornite
Approved
IMA Formula:
Pb(UO2)4(BiO)3(AsO4)2(OH)7 · 4H2O
Approval year:
1980
First published:
1983
Classification of Asselbornite
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
42.4.11.1
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
4 : (AB)5(XO4)2Zq·xH2O
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
4 : (AB)5(XO4)2Zq·xH2O
20.7.17
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 |
|---|---|---|
| Asbn | 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 Asselbornite
Adamantine, Greasy
Transparency:
Translucent
Colour:
Brown to lemon-yellow
Hardness:
3 on Mohs scale
Density:
5.7 g/cm3 (Calculated)
Optical Data of Asselbornite
Type:
Isotropic
RI values:
n = 1.9
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Very High
Chemistry of Asselbornite
Mindat Formula:
Pb(BiO)3(UO2)4(AsO4)2(OH)7 · 4H2O
Crystallography of Asselbornite
Crystal System:
Isometric
Cell Parameters:
a = 15.66 Å
Unit Cell V:
3,840.39 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Cubes modified by tetrahedra or pseudotetrahedra.
Comment:
Point Group: 4/m 3 2/m, 432, 2/m 3 or 23.;: Space Group: Im3m, I432, Im3 or I23
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.185 Å | (100) |
| 3.196 Å | (80) |
| 4.520 Å | (70) |
| 3.691 Å | (60) |
| 5.536 Å | (40) |
| 2.609 Å | (40) |
| 3.501 Å | (35) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] | |
| 47f : [Uranyl (U⁶⁺) minerals] |
Type Occurrence of Asselbornite
General Appearance of Type Material:
Well formed crystals to 0.3 mm.
Place of Conservation of Type Material:
Museum of Natural History, Geneva, Switzerland, 435/50.
National Museum of Natural History, Washington, D.C., USA, 142229.
National Museum of Natural History, Washington, D.C., USA, 142229.
Associated Minerals at Type Locality:
Reference:
Sarp, H., Bertrand, J., Deferne, J. (1983) Asselbornite, (Pb,Ba)(UO2)6(BiO)4[(As,P)O4]2 (OH)12 * 3 H2O, a new uranium, bismuth, lead and barium hydrous arsenate. Neues Jahrbuch für Mineralogie, Monatshefte: 417-423.
Synonyms of Asselbornite
Other Language Names for Asselbornite
German:Asselbornit
Spanish:Asselbornita
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 8.ED.05 | Moreauite | Al3(UO2)(PO4)3(OH)2 · 13H2O |
| 8.ED.10 | Metalodèvite | Zn(UO2)2(AsO4)2 · 10H2O |
| 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 |
Other Information
Notes:
Slowly soluble in dilute HCl.
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 Asselbornite
mindat.org URL:
https://www.mindat.org/min-397.html
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References for Asselbornite
Reference List:
Dunn, Pete J., Chao, George Y., Grice, Joel D., Ferraiolo, James A., Fleischer, Michael, Pabst, Adolf, Zilczer, Janet A. (1984) New mineral names. American Mineralogist, 69 (5-6) 565-569
Sejkora, Jiří, Čejka, Jiří (2007) Šreinite from Horní Halže, the Krušné hory Mountains, Czech Republic, a new mineral species, its comparison with asselbornite from Schneeberg, and new data for asselbornite. Neues Jahrbuch für Mineralogie - Abhandlungen, 184 (2). 197-206 doi:10.1127/0077-7757/2007/0091
Localities for Asselbornite
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 | |
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Germany (TL) | |
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Russia | |
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Walpurgis Flacher vein, Weißer Hirsch Mine, Neustädtel, Schneeberg, Erzgebirgskreis, Saxony, Germany