Derriksite
A valid IMA mineral species
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About Derriksite
Jean-Marie François Joseph Derriks
Formula:
Cu4(UO2)(SeO3)2(OH)6
Formula originally assumed to contain 1 water molecule.
Colour:
Dark green to bottle-green, clear green
Specific Gravity:
4.61 (Calculated)
Crystal System:
Orthorhombic
Name:
After Jean-Marie François "Joseph" Derriks (Huy, Belgium, August 8 1912 - Angleur (Liège) March 5 1992), geologist and administrator of the Union Minière du Haut Katanga (UMHK).
Type Locality:
This page provides mineralogical data about Derriksite.
Unique Identifiers
Mindat ID:
1264
Long-form identifier:
mindat:1:1:1264:1
GUID
(UUID V4):
(UUID V4):
0514772f-dc55-4d2b-8060-1585c209c8cd
IMA Classification of Derriksite
Approved
IMA Formula:
Cu4(UO2)(Se4+O3)2(OH)6
First published:
1971
Classification of Derriksite
4.JG.30
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
G : Selenites with 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
G : Selenites with additional anions, without H2O
34.7.5.1
34 : SELENITES, TELLURITES AND SULFITES
7 : Hydrated Selenites, Tellurites and Sulfites containing Hydroxyl or Halogen
34 : SELENITES, TELLURITES AND SULFITES
7 : Hydrated Selenites, Tellurites and Sulfites containing Hydroxyl or Halogen
28.1.7
28 : Selenites, Selenates, Tellurites, and Tellurates
1 : Selenites
28 : Selenites, Selenates, Tellurites, and Tellurates
1 : Selenites
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 |
|---|---|---|
| Drk | 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 Derriksite
Transparency:
Translucent
Colour:
Dark green to bottle-green, clear green
Cleavage:
Distinct/Good
Good on (010)
Good on (010)
Density:
4.61 g/cm3 (Calculated)
Optical Data of Derriksite
Type:
Biaxial (-)
RI values:
nα = 1.770 nβ = 1.850 nγ = 1.890
Max Birefringence:
δ = 0.120
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:
r > v distinct
Optical Extinction:
X = a; Y = b; Z = c.
Chemistry of Derriksite
Mindat Formula:
Cu4(UO2)(SeO3)2(OH)6
Formula originally assumed to contain 1 water molecule.
Formula originally assumed to contain 1 water molecule.
Crystallography of Derriksite
Crystal System:
Orthorhombic
Cell Parameters:
a = 5.570(2) Å, b = 19.088(8) Å, c = 5.965(2) Å
Ratio:
a:b:c = 0.292 : 1 : 0.313
Unit Cell V:
634.20 ų (Calculated from Unit Cell)
Z:
2
Comment:
Pn21m
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) |
|---|---|---|---|---|---|---|---|
| 0009986 | Derriksite | Ginderow D, Cesbron F (1983) Structure da la derriksite, Cu4(UO2)(SeO3)2(OH)6 Acta Crystallographica C39 1605-1607 |  | 1983 | Musoni, Shaba, Ziare | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.78 Å | (very very strong) |
| 4.072 Å | (very strong) |
| 3.748 Å | (very strong) |
| 4.352 Å | (strong) |
| 3.218 Å | (strong) |
| 5.35 Å | (moderately strong) |
| 4.197 Å | (moderately strong) |
Comments:
Musonoi mine, Congo. Data from the type description.
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 Derriksite
Place of Conservation of Type Material:
University of Pierre and Marie Curie, Paris, France, number 204, 12.251.
Natural History Museum, Paris, France, number 181.35.
National School of Mines, Paris, France, number 9.104.
Natural History Museum, Paris, France, number 181.35.
National School of Mines, Paris, France, number 9.104.
Associated Minerals at Type Locality:
Reference:
Cesbron, F., Pierrot, R., Verbeek, T. (1971) La derriksite, Cu4(UO2(SeO3)2(OH)6·H2O, une nouvelle espèce minérale. Bulletin de la Société Française de Minéralogie et de Cristallographie: 94: 534-537.
Synonyms of Derriksite
Other Language Names for Derriksite
Common Associates
Associated Minerals Based on Photo Data:
| 12 photos of Derriksite associated with Demesmaekerite | Pb2Cu5(UO2)2(SeO3)6(OH)6 · 2H2O |
| 10 photos of Derriksite associated with Malachite | Cu2(CO3)(OH)2 |
| 7 photos of Derriksite associated with Chalcomenite | CuSeO3 · 2H2O |
| 3 photos of Derriksite associated with Guilleminite | Ba(UO2)3(SeO3)2O2 · 3H2O |
| 1 photo of Derriksite associated with Trogtalite | CoSe2 |
| 1 photo of Derriksite associated with Cobaltomenite | CoSeO3 · 2H2O |
| 1 photo of Derriksite associated with Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| 1 photo of Derriksite associated with Kasolite | Pb(UO2)(SiO4) · H2O |
| 1 photo of Derriksite associated with Marthozite | Cu2+(UO2)3(SeO3)2O2 · 8H2O |
| 1 photo of Derriksite associated with Digenite | Cu9S5 |
Related Minerals - Strunz-mindat Grouping
| 4.JG. | Prewittite | KPb1.5ZnCu6(SeO3)2O2Cl10 |
| 4.JG. | Guangyuanite | Pb3Cl3(Se4+O3)(OH) |
| 4.JG. | Masaitisite | KCu5O2(SeO3)2Cl3 |
| 4.JG. | Wangkuirenite | Pb3Cl2(SeO3)2 |
| 4.JG.05 | Georgbokiite | Cu5(SeO3)2O2Cl2 |
| 4.JG.05 | Parageorgbokiite | Cu5(SeO3)2O2Cl2 |
| 4.JG.10 | Chloromenite | Cu9(SeO3)4O2Cl6 |
| 4.JG.15 | Sofiite | Zn2(SeO3)Cl2 |
| 4.JG.20 | Ilinskite | (Na,K)Cu5(SeO3)2O2Cl3 |
| 4.JG.25 | Francisite | Cu3Bi(SeO3)2O2Cl |
| 4.JG.35 | Burnsite | KCdCu2+7(SeO3)2O2Cl9 |
| 4.JG.40 | Allochalcoselite | Cu+PbCu2+5(SeO3)2Cl5O2 |
| 4.JG.45 | Nicksobolevite | Cu7(SeO3)2O2Cl6 |
| 4.JG.50 | Plumboselite | Pb3O2(SeO3) |
| 4.JG.55 | Sarrabusite | Pb5CuCl4(SeO3)4 |
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 Derriksite
mindat.org URL:
https://www.mindat.org/min-1264.html
Please feel free to link to this page.
Please feel free to link to this page.
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External Links:
References for Derriksite
Reference List:
Cesbron, Fabien, Pierrot, Roland, Verbeek, Théodore (1971) La derriksite, Cu4(UO2)(SeO3)2(OH)6·H2O, une nouvelle espèce minérale. Bulletin de Minéralogie, 94 (5) 534-537 doi:10.3406/bulmi.1971.6619
Ginderow, D., Cesbron, F. (1983) Structure de la derriksite, Cu4(UO2)(SeO3)2(OH)6. Acta Crystallographica Section C Crystal Structure Communications, 39 (12) 1605-1607 doi:10.1107/s0108270183009439
Localities for Derriksite
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 et al. (2016) |
DR Congo (TL) | |
| Cesbron et al. (1971) +2 other references |
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Musonoi Mine, Kolwezi, Mutshatsha, Lualaba, DR Congo