Asselbornite
A valid IMA mineral species
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About Asselbornite
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
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
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