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Kamotoite-(Y)

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Formula:
Y2(UO2)4(CO3)3O4 · 14H2O
System:
Monoclinic
Name:
After the town of Kamoto, Katanga, Democratic Republic of Congo, where the type locality is situated.
This page provides mineralogical data about Kamotoite-(Y).

Classification of Kamotoite-(Y)

Approved 1985
5.EA.30

5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
A : UO2:CO3 > 1:1
16b.3.3.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
3 : AmBn(XO3)pZqxH2O & with (m+n):p = 2:1
11.11.15

11 : Carbonates
11 : Carbonates of Cr and U
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First Recorded Occurrence of Kamotoite-(Y)

Crystallography of Kamotoite-(Y)

Crystal System:
Monoclinic

Optical Data of Kamotoite-(Y)

Type:
Biaxial (-)
RI values:
nα = 1.604 nβ = 1.667 nγ = 1.731
2V:
Measured: 87° , Calculated: 86°
Max Birefringence:
δ = 0.127
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v

Chemical Properties of Kamotoite-(Y)

Formula:
Y2(UO2)4(CO3)3O4 · 14H2O
Essential elements:
All elements listed in formula:

Relationship of Kamotoite-(Y) to other Species

5.EA.05UM1997-24-CO:CaCuHUCa2Cu(UO2)2(CO3)2O3 · 3H2O
5.EA.10UrancalcariteCa(UO2)3(CO3)(OH)6 · 3H2O
5.EA.15WyartiteCaU5+(UO2)2(CO3)O4(OH) · 7H2O
5.EA.20Oswaldpeetersite(UO2)2(CO3)(OH)2 · 4H2O
5.EA.25RoubaultiteCu2(UO2)3(OH)10 · 5H2O
5.EA.35SharpiteCa(UO2)6(CO3)5(OH)4 · 6H2O
11.11.1StichtiteMg6Cr2(OH)16[CO3] · 4H2O
11.11.2Rutherfordine(UO2)CO3
11.11.3Joliotite(UO2)CO3 · nH2O
11.11.4GrimseliteK3Na(UO2)(CO3)3 · H2O
11.11.5BayleyiteMg2(UO2)(CO3)3 · 18H2O
11.11.6MetazelleriteCa(UO2)(CO3)2 · 3H2O
11.11.7ZelleriteCa(UO2)(CO3)2 · 5H2O
11.11.8WyartiteCaU5+(UO2)2(CO3)O4(OH) · 7H2O
11.11.9UrancalcariteCa(UO2)3(CO3)(OH)6 · 3H2O
11.11.10SharpiteCa(UO2)6(CO3)5(OH)4 · 6H2O
11.11.11VogliteCa2Cu(UO2)(CO3)4 · 6H2O
11.11.12AndersoniteNa2Ca(UO2)(CO3)3 · 6H2O
11.11.13SwartziteMgCa(UO2)(CO3)3 · 12H2O
11.11.14RabbittiteCa3Mg3(UO2)2(CO3)6(OH)4 · 18H2O
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 · 1.5H2O
11.11.18Bijvoetite-(Y)(Y,Dy)2(UO2)4(CO3)4(OH)6 · 11H2O
11.11.19WidenmannitePb2(OH)2[(UO2)(CO3)2]
11.11.20ZnucaliteZn12Ca(UO2)(CO3)3(OH)22 · 4H2O

Other Names for Kamotoite-(Y)

Name in Other Languages:

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.

References for Kamotoite-(Y)

Reference List:
American Mineralogist (1988): 73: 191.

Bulletin de la Société française de Minéralogie et de Cristallographie (1986): 109: 643-647.

Internet Links for Kamotoite-(Y)

Localities for Kamotoite-(Y)

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Canada
 
  • Ontario
    • Nipissing District
      • Murchison Township
ontariominerals.com; Rocks & Min. (2007) 82:232-233
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
Lapis 2002(7/8), 63-65
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Katanga Copper Crescent
      • Kolwezi District
        • Kamoto
Bull. Mineral., 1986, 109; Eur. J. Mineral., 1990, 2
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Schenkenzell
        • Wittichen
          • Böckelsbach valley
Markl, G. & Slotta, C. (2011): Die Uranmineralien des Lagerstättenreviers Wittichen im mittleren Schwarzwald. Lapis 36 (3), 25-37; 54 (in German).
Norway
 
  • Buskerud
    • Krødsherad
      • Krøderen Lake
Kristiansen, R. (1990): Nye sekundære uranmineraler fra Bjertnes, Krødsherad. STEIN 17(1), 25-28
Switzerland
 
  • Wallis (Valais)
    • Le Trient Valley
      • Finhaut
        • Giétroz
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 236.; Meisser, N. (2012): La minéralogie de l'uranium dans le massif des Aiguilles Rouges. Matér. Géol. Suisse, Sér. géotech. 96, 183 p.
Mineral and/or Locality  
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