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Joliotite

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Frédéric and Irène Joliot-Curie
Formula:
(UO2)CO3 · nH2O
Colour:
Yellow
Hardness:
1 - 2
Crystal System:
Orthorhombic
Name:
Named by K. Walenta in 1976 in honor of Jean Frédéric Joliot (19 March 1900, Paris, France – 14 August 1958, Paris France) and Irène Joliot-Curie (12 September 1897, Paris, France – 17 March 1956, Paris, France), both physicists at the Institute du Radium, University of Paris, Paris, France, and early workers on radioactivity. They were jointly awarded the Nobel Prize for Chemistry in 1935 for their discovery of artificial or induced radioactivity.
This page provides mineralogical data about Joliotite.


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Classification of JoliotiteHide

Approved
Approval Year:
1974
5.EB.15

5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
B : UO2:CO3 = 1:1
15.1.8.1

15 : HYDRATED NORMAL CARBONATES
1 : A(XO3)·xH2O
11.11.3

11 : Carbonates
11 : Carbonates of Cr and U

Physical Properties of JoliotiteHide

Colour:
Yellow
Hardness:
1 - 2 on Mohs scale

Optical Data of JoliotiteHide

Type:
Biaxial (-)
RI values:
nα = 1.600 nβ = 1.644 nγ = 1.644
Max Birefringence:
δ = 0.044
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v weak

Chemical Properties of JoliotiteHide

Formula:
(UO2)CO3 · nH2O
IMA Formula:
(UO2)(CO3) · 2H2O

Crystallography of JoliotiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 8.16 Å, b = 10.35 Å, c = 6.32 Å
Ratio:
a:b:c = 0.788 : 1 : 0.611
Unit Cell V:
533.76 ų (Calculated from Unit Cell)

Type Occurrence of JoliotiteHide

Synonyms of JoliotiteHide

Other Language Names for JoliotiteHide

German:Joliotit
Spanish:Joliotita

Related Minerals - Nickel-Strunz GroupingHide

5.EB.05Rutherfordine(UO2)CO3Orth. mm2 : Imm2
5.EB.10Blatonite(UO2)CO3 · H2OHex.
5.EB.20Bijvoetite-(Y)Y8(UO2)16(CO3)16O8(OH)8 · 39H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

11.11.1StichtiteMg6Cr3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
11.11.2Rutherfordine(UO2)CO3Orth. mm2 : Imm2
11.11.4GrimseliteK3Na(UO2)(CO3)3 · H2OHex.
11.11.5BayleyiteMg2(UO2)(CO3)3 · 18H2OMon.
11.11.6MetazelleriteCa(UO2)(CO3)2 · 3H2OOrth.
11.11.7ZelleriteCa(UO2)(CO3)2 · 5H2OOrth.
11.11.8WyartiteCaU5+(UO2)2(CO3)O4(OH) · 7H2OOrth.
11.11.9UrancalcariteCa(UO2)3(CO3)(OH)6 · 3H2OOrth.
11.11.10SharpiteCa(UO2)6(CO3)5(OH)4 · 6H2OOrth.
11.11.11VogliteCa2Cu(UO2)(CO3)4 · 6H2OMon.
11.11.12AndersoniteNa2Ca(UO2)(CO3)3 · 6H2OTrig. 3 : R3
11.11.13SwartziteMgCa(UO2)(CO3)3 · 12H2OMon. 2/m : P21/m
11.11.14RabbittiteCa3Mg3(UO2)2(CO3)6(OH)4 · 18H2OMon.
11.11.15Kamotoite-(Y)Y2(UO2)4(CO3)3O4 · 14H2OMon. 2/m
11.11.16Shabaite-(Nd)Ca(Nd,Sm,Y)2(UO2)(CO3)4(OH)2 · 6H2O
11.11.17Astrocyanite-(Ce)Cu2(Ce,Nd,La)2(UO2)(CO3)5(OH)2 · 1.5H2OHex.
11.11.18Bijvoetite-(Y)Y8(UO2)16(CO3)16O8(OH)8 · 39H2OMon.
11.11.19WidenmannitePb2(OH)2[(UO2)(CO3)2]Orth.
11.11.20ZnucaliteZn12Ca(UO2)(CO3)3(OH)22 · 4H2OOrth.

Fluorescence of JoliotiteHide

Pale green to pale yellow (SW and LW UV).

Other InformationHide

Health Risks:
Contains uranium - always wash hands after handling. Avoid inhaling dust when handling or breaking. Never lick or ingest. Avoid prolonged exposure in proximity of the body. Store away from inhabited areas.

References for JoliotiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Walenta, K. (1976) Widenmannit und Joliotit, zwei neue Uranylkarbonatmineralien aus dem Schwarzwald. Schweizerische Mineralogische und Petrographische Mitteilungen: 56: 167-185. (in German with English abs.).
(1977) Mineralogical Abstracts: 28: 208.

Internet Links for JoliotiteHide

Localities for JoliotiteHide

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.
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Baden-Baden
        • Müllenbach U deposit
Aufschluss 1977(5), 177-183
      • Menzenschwand
Schweiz. Min Pet Mitt 56 (1976), 167; Mineralogical Abstracts, volume 028, pp. 208(1977); Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
Norway
 
  • Buskerud
    • Krødsherad
      • Krøderen Lake
Kristiansen, R. (1990): Nye sekundære uranmineraler fra Bjertnes, Krødsherad. STEIN 17(1), 25-28
Mineral and/or Locality  
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