Fourmarierite (original) (raw)
A valid IMA mineral species - grandfathered
About FourmarieriteHide
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Formula:
Pb(UO2)4O3(OH)4 · 4H2O
Colour:
Red-orange to golden red, carmine red, reddish brown to brown;
Lustre:
Adamantine, Sub-Adamantine
Crystal System:
Orthorhombic
Name:
After P. Fourmarier (December 25, 1877, La Hulpe, Belgium - January 20, 1970, Liège, Belgium), Professor of Geology, University of Liége, Belgium.
This page provides mineralogical data about Fourmarierite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:1587:1
97a5232a-32c0-4836-88d5-09f84c8b86ff
IMA Classification of FourmarieriteHide
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Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Pb1-xO3-2x(UO2)4(OH)4+2x · 4H2O
Type description reference:
Classification of FourmarieriteHide
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4.GB.25
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
G : Uranyl Hydroxides
B : With additional cations (K, Ca, Ba, Pb, etc.); with mainly UO2(O,OH)5 pentagonal polyhedra
5.9.2.1
5 : OXIDES CONTAINING URANIUM OR THORIUM
9 : Miscellaneous
7.16.24
7 : Oxides and Hydroxides
16 : Oxides of U
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Fmr | 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 FourmarieriteHide
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Adamantine, Sub-Adamantine
Transparency:
Transparent, Translucent
Colour:
Red-orange to golden red, carmine red, reddish brown to brown;
Cleavage:
Perfect
On {001} perfect; {100} imperfect.
Density:
6.046 g/cm3 (Measured) 5.98 g/cm3 (Calculated)
Optical Data of FourmarieriteHide
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RI values:
_n_α = 1.850 - 1.865 _n_β = 1.885 - 1.920 _n_γ = 1.890 - 1.970
2V:
Measured: 50° to 55°, Calculated: 40° to 84°
δ = 0.040 - 0.105
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Comments:
Shades of yellow and orange
X = c = colourless
Y = b = pale yellow
Z = a = yellow
Chemistry of FourmarieriteHide
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Mindat Formula:
Pb(UO2)4O3(OH)4 · 4H2O
Crystallography of FourmarieriteHide
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Crystal System:
Orthorhombic
Class (H-M):
m _m_2 - Pyramidal
Cell Parameters:
a = 13.986(4) Å, b = 16.400(5) Å, c = 14.293(9) Å
Ratio:
a:b:c = 0.853 : 1 : 0.872
Unit Cell V:
3,278.39 ų (Calculated from Unit Cell)
Morphology:
Tabular {001} and usually elongated [010]. {001} striated [010].
Comment:
Space Group: Bb21m
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0005671 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 |  |
2000 | Shinkolobwe, Democratic Republic of Congo | 0 | 293 |
| 0005672 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 | |
2000 | Shinkolobwe, Democratic Republic of Congo | 0 | 293 |
| 0005673 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 | |
2000 | Shinkolobwe, Democratic Republic of Congo | 0 | 293 |
| 0005674 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 | |
2000 | Shinkolobwe, Democratic Republic of Congo | 0 | 293 |
| 0005675 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 | |
2000 | Shinkolobwe, Democratic Republic of Congo | 0 | 293 |
| 0005676 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 | |
2000 | Shinkolobwe, Democratic Republic of Congo | 0 | 293 |
| 0005677 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 | |
2000 | Shinkolobwe, Democratic Republic of Congo | 0 | 293 |
| 0005678 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 | |
2000 | Shinkolobwe, Democratic Republic of Congo | 0 | 293 |
| 0005679 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 | |
2000 | Shinkolobwe, Democratic Republic of Congo | 0 | 293 |
| 0005680 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 | |
2000 | 0 | 293 | |
| 0005681 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 | |
2000 | Shaba, Democratic Republic of Congo | 0 | 293 |
| 0005682 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 | |
2000 | Shaba, Democratic Republic of Congo | 0 | 293 |
| 0005683 | Fourmarierite | Li Y, Burns P C (2000) Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite The Canadian Mineralogist 38 737-749 | |
2000 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.562 Å | (100) |
| 3.169 Å | (100) |
| 7.12 Å | (80) |
| 3.523 Å | (50) |
| 2.512 Å | (50) |
| 1.975 Å | (50) |
| 2.739 Å | (20) |
Geological EnvironmentHide
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Type Occurrence of FourmarieriteHide
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Place of Conservation of Type Material:
- Muséum national d'Histoire naturelle, Paris, 124-181.
- Laboratory of Mineralogy, University of Liège, 16871 and 16872.
Geological Setting of Type Material:
Oxidized zone of a uranium deposit
Reference:
Buttgenbach, H. (1924) Minéralogie du Congo Belge. La fourmariérite nouvelle espèce minérale. Annales de la Société Géologique de Belgique: 47: C41-C43.
Other Language Names for FourmarieriteHide
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Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 4.GB.05 | Agrinierite | K2(Ca,Sr)[(UO2)3O3(OH)2]2 · 5H2O | Mon. m : B m |
|---|---|---|---|
| 4.GB.05 | Compreignacite | K2(UO2)6O4(OH)6 · 7H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
| 4.GB.05 | Rameauite | K2Ca(UO2)6O6(OH)4 · 6H2O | Mon. m : B b |
| 4.GB.10 | Becquerelite | Ca(UO2)6O4(OH)6 · 8H2O | Orth. m _m_2 : P n _a_21 |
| 4.GB.10 | Billietite | Ba(UO2)6O4(OH)6 · 4-8H2O | Orth. m _m_2 |
| 4.GB.10 | Protasite | Ba(UO2)3O3(OH)2 · 3H2O | Mon. m |
| 4.GB.15 | Richetite | (Fe3+,Mg)Pb 8.6(UO2)36O36(OH)24 · 41H2O | Tric. 1 : _P_1 |
| 4.GB.20 | Bauranoite | Ba(UO2)2(OH)6 · 1-2H2O | |
| 4.GB.20 | Calciouranoite | (Ca,Ba,Pb)U2O7 · 5H2O | |
| 4.GB.20 | Metacalciouranoite | (Ca,Ba,Pb,K2)U2O7 · 2H2O | |
| 4.GB.30 | Wölsendorfite | Pb7(UO2)14O19(OH)4 · 12H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m |
| 4.GB.35 | Masuyite | Pb(UO2)3O3(OH)2 · 3H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 4.GB.40 | Metavandendriesscheite | PbU7O22 · nH2O n < 12 | Orth. |
| 4.GB.40 | Vandendriesscheite | PbU7O22 · 12H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
| 4.GB.45 | Vandenbrandeite | Cu(UO2)(OH)4 | Tric. 1 : _P_1 |
| 4.GB.50 | Sayrite | Pb2(UO2)5O6(OH)2 · 4H2O | Mon. 2/m |
| 4.GB.55 | Curite | Pb3(H2O)2[(UO2)4O4(OH)3]2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 4.GB.60 | Iriginite | (UO2)Mo2O7 · 3H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c m |
| 4.GB.65 | Uranosphaerite | Bi(UO2)O2(OH) | Mon. 2/m |
| 4.GB.70 | Holfertite | CaxU6+2-xTi(O8-xOH4x) · 3H2O | Trig. 3 : _P_3 |
| 4.GB.75 | Carlosbarbosaite | (UO2)2Nb2O6(OH)2 · 2H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m |
| 4.GB.80 | Gauthierite | KPb[(UO2)7O5(OH)7] · 8H2O | Mon. 2/m : _P_21/b |
| 4.GB.85 | Kroupaite | KPb0.5[(UO2)8O4(OH)10] · 10H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
| 4.GB.90 | Leesite | K(H2O)2[(UO2)4O2(OH)5] · 3H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
| 4.GB.95 | Shinkolobweite | Pb1.25[U5+(H2O)2(U6+O2)5O8(OH)2](H2O)5 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
| 4.GB.95 | Nollmotzite | Mg[U5+(U6+O2)2O4F3] · 4H2O | Mon. m : B m |
Fluorescence of FourmarieriteHide
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Other InformationHide
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Thermal Behaviour:
Blackens when heated in air but does not fuse.
Notes:
Easily soluble in acids to a yellow solution.
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 FourmarieriteHide
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References for FourmarieriteHide
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Reference List:
Localities for FourmarieriteHide
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This 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.
Locality ListHide
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- 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.