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Deloryite

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About DeloryiteHide

Formula:
Cu4(UO2)(MoO4)2(OH)6
Colour:
Dark green to black
Lustre:
Vitreous, Greasy
Hardness:
4
Specific Gravity:
4.9
Crystal System:
Monoclinic
Name:
For mineral collector Jean Claude Delory (1953– ), who found the specimen
Structure is similar to that of markascherite in terms of topology.


Classification of DeloryiteHide

Approved
4.FL.85

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra
48.3.4.1

48 : ANHYDROUS MOLYBDATES AND TUNGSTATES
3 : Basic Anhydrous Molybdates and Tungstates

Physical Properties of DeloryiteHide

Vitreous, Greasy
Transparency:
Transparent, Opaque
Colour:
Dark green to black
Streak:
green
Hardness:
Cleavage:
Perfect
cleavages perfect {010}, {100}, good {001}
Fracture:
Conchoidal
Density:
4.9(1) g/cm3 (Measured)    4.84 g/cm3 (Calculated)

Optical Data of DeloryiteHide

Type:
Biaxial (+)
RI values:
nα = 1.900 nβ = 1.930 nγ = 1.960
2V:
Measured: 90° , Calculated: 88°
Max Birefringence:
δ = 0.060
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
dispersion not observed
Pleochroism:
Non-pleochroic
Comments:
Optically yellowish green

Chemical Properties of DeloryiteHide

Formula:
Cu4(UO2)(MoO4)2(OH)6
IMA Formula:
Cu4(UO2)Mo2O8(OH)6
Common Impurities:
S,Al

Crystallography of DeloryiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 19.83(2) Å, b = 6.112(9) Å, c = 5.529(6) Å
β = 103.9°
Ratio:
a:b:c = 3.244 : 1 : 0.905
Unit Cell V:
650.50 ų (Calculated from Unit Cell)
Z:
2
Morphology:
rosettes to 6 mm, in which individual crystals are 3 x 1 x 0.3 mm, tabular {010}, elongate [001], showing {010}, {100}, and with a rounded termination
Comment:
C2, Cm, or C2/m

Type Occurrence of DeloryiteHide

General Appearance of Type Material:
rosettes of crystals
Place of Conservation of Type Material:
Mineralogy Department of the Natural History Museum, Geneva, Switzerland
Associated Minerals at Type Locality:

Synonyms of DeloryiteHide

Other Language Names for DeloryiteHide

German:Deloryit
Spanish:Deloryita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Metazeunerite1 photo of Deloryite associated with Metazeunerite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.FL.TrébeurdeniteFe2+2Fe3+4O2(OH)10CO3·3H2OTrig. 3m (3 2/m) : R3m
4.FL.05WoodalliteMg6Cr2(OH)16Cl2 · 4H2OTrig.
4.FL.05IowaiteMg6Fe3+2(OH)16Cl2 · 4H2OTrig. 3m (3 2/m) : R3m
4.FL.05JamboriteNi2+1-xCo3+x(OH)2-x(SO4)x · nH2OTrig. 3m (3 2/m) : R3m
4.FL.05MeixneriteMg6Al2(OH)16(OH)2 · 4H2OTrig. 3m (3 2/m) : R3m
4.FL.05MuskoxiteMg7Fe4O13 · 10H2OTrig. 3m (3 2/m)
4.FL.05FougèriteFe2+4Fe3+2(OH)12[CO3]·3H2OTrig. 3m (3 2/m) : R3m
4.FL.10HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2OMon. 2 : P21
4.FL.15KuzeliteCa4Al2(OH)12[SO4] · 6H2OTrig.
4.FL.20Aurorite(Mn2+,Ag,Ca)Mn4+3O7 · 3H2OTrig. 3 : R3
4.FL.20Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2OTrig. 3 : R3
4.FL.20ErnienickeliteNiMn3O7 · 3H2OTrig. 3 : R3
4.FL.20Jianshuiite(Mg,Mn,Ca)Mn3O7 · 3H2OTrig. 3 : R3
4.FL.25WoodruffiteZn2+x/2(Mn4+1-xMn3+x)O2·yH2OMon. 2/m : B2/m
4.FL.30Asbolane(Ni,Co)2-xMn4+(O,OH)4 · nH2OHex.
4.FL.35BuseriteNa4Mn14O27 · 21H2O
4.FL.40Ranciéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2OTrig. 3 : P3
4.FL.40Takanelite(Mn,Ca)Mn4O9 · H2OHex.
4.FL.45Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2OMon. 2/m : B2/m
4.FL.55CianciulliiteMn(Mg,Mn)2Zn2(OH)10 · 2-4H2OMon. 2/m : B2/m
4.FL.60JenseniteCu3[TeO6] · 2H2OMon. 2/m : P21/m
4.FL.65LeisingiteCuMg2Te6+O6 · 6H2OTrig. 3 : P3
4.FL.70Akdalaite5Al2O3 · H2OHex.
4.FL.75CafetiteCaTi2O5 · H2OMon. 2/m : P21/b
4.FL.80MouriteUMo5O12(OH)10Mon.

Other InformationHide

Notes:
Soluble in HCl
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for DeloryiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sarp, H. & Chiappero, P. J. (1992): Deloryite, Cu4(UO2)(MoO4)2(OH)6, a new mineral from the Cap Garonne mine near Le Pradet, Var, France. Neues Jahrbuch für Mineralogie, Monatshefte (1992): 58-64.
Tali R, Tabachenko V V, Kovba L M (1993) Crystal structure of Cu4UO2(MoO4)2(OH)6. Russian Journal of Inorganic Chemistry 38, 1350-1352
Pushcharovsky, D.Yu., Rastsvetaeva, R.K., and Sarp, H. (1996) Crystal structure of deloryite, Cu4(UO2)[Mo2O8](OH)6. Journal Alloys Comp.: 239: 23-26.
Burns, P.C. (2005) U 6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. Canadian Mineralogist: 43: 1839-1894.

Internet Links for DeloryiteHide

Localities for DeloryiteHide

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

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
France (TL)
 
  • Provence-Alpes-Côte d'Azur
    • Var
      • Le Pradet
Neues Jahrb.Min.,Mh.(1992) 58-64
Mineral and/or Locality  
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