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Kamotoite-(Y)

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Big Photo

Kamoto East Open cut, Kamoto, Kolwezi, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
© Paul De Bondt

Show Kamotoite-(Y) Photos (9)



Formula:
Y
 
2
(UO
 
2
)
 
4
(CO
 
3
)
 
3
O
 
4
 · 14H
 
2
O
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)

IMA status:Approved 1985
Strunz 8th edition ID:5/F.06-20
Nickel-Strunz 10th (pending) edition ID:5.EA.30

5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
A : UO2:CO3 > 1:1
Dana 8th edition ID:16b.3.3.1

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

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

Type Locality:Kamoto East Open cut, Kamoto, Kolwezi, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

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°
Maximum Birefringence:δ = 0.127

Chart 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:
Y
 
2
(UO
 
2
)
 
4
(CO
 
3
)
 
3
O
 
4
 · 14H
 
2
O
Essential elements:C, H, O, U, Y
All elements listed in formula:C, H, O, U, Y

Relationship of Kamotoite-(Y) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.EA.05UM1997-24-CO:CaCuHU
Ca
 
2
Cu(UO
 
2
)
 
2
(CO
 
3
)
 
2
O
 
3
 · 3H
 
2
O
5.EA.10Urancalcarite
Ca(UO
 
2
)
 
3
(CO
 
3
)(OH)
 
6
 · 3H
 
2
O
5.EA.15Wyartite
CaU
5+
 
(UO
 
2
)
 
2
(CO
 
3
)O
 
4
(OH) · 7H
 
2
O
5.EA.20Oswaldpeetersite
(UO
 
2
)
 
2
(CO
 
3
)(OH)
 
2
 · 4H
 
2
O
5.EA.25Roubaultite
Cu
 
2
(UO
 
2
)
 
3
(OH)
 
10
 · 5H
 
2
O
5.EA.35Sharpite
Ca(UO
 
2
)
 
6
(CO
 
3
)
 
5
(OH)
 
4
 · 6H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
11.11.1Stichtite
Mg
 
6
Cr
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
11.11.2Rutherfordine
(UO
 
2
)CO
 
3
11.11.3Joliotite
(UO
 
2
)CO
 
3
 · nH
 
2
O
11.11.4Grimselite
K
 
3
Na(UO
 
2
)(CO
 
3
)
 
3
 · H
 
2
O
11.11.5Bayleyite
Mg
 
2
(UO
 
2
)(CO
 
3
)
 
3
 · 18H
 
2
O
11.11.6Metazellerite
Ca(UO
 
2
)(CO
 
3
)
 
2
 · 3H
 
2
O
11.11.7Zellerite
Ca(UO
 
2
)(CO
 
3
)
 
2
 · 5H
 
2
O
11.11.8Wyartite
CaU
5+
 
(UO
 
2
)
 
2
(CO
 
3
)O
 
4
(OH) · 7H
 
2
O
11.11.9Urancalcarite
Ca(UO
 
2
)
 
3
(CO
 
3
)(OH)
 
6
 · 3H
 
2
O
11.11.10Sharpite
Ca(UO
 
2
)
 
6
(CO
 
3
)
 
5
(OH)
 
4
 · 6H
 
2
O
11.11.11Voglite
Ca
 
2
Cu(UO
 
2
)(CO
 
3
)
 
4
 · 6H
 
2
O
11.11.12Andersonite
Na
 
2
Ca(UO
 
2
)(CO
 
3
)
 
3
 · 6H
 
2
O
11.11.13Swartzite
MgCa(UO
 
2
)(CO
 
3
)
 
3
 · 12H
 
2
O
11.11.14Rabbittite
Ca
 
3
Mg
 
3
(UO
 
2
)
 
2
(CO
 
3
)
 
6
(OH)
 
4
 · 18H
 
2
O
11.11.16Shabaite-(Nd)
Ca(Nd,Sm,Y)
 
2
(UO
 
2
)(CO
 
3
)
 
4
(OH)
 
2
 · 6H
 
2
O
11.11.17Astrocyanite-(Ce)
Cu
 
2
(Ce,Nd,La)
 
2
(UO
 
2
)(CO
 
3
)
 
5
(OH)
 
2
 · 1.5H
 
2
O
11.11.18Bijvoetite-(Y)
(Y,Dy)
 
2
(UO
 
2
)
 
4
(CO
 
3
)
 
4
(OH)
 
6
 · 11H
 
2
O
11.11.19Widenmannite
Pb
 
2
(UO
 
2
)(CO
 
3
)
 
3
11.11.20Znucalite
Zn
 
12
Ca(UO
 
2
)(CO
 
3
)
 
3
(OH)
 
22
 · 4H
 
2
O

Other Names for Kamotoite-(Y)

Synonyms:
IMA1985-051
Other Languages:

Other Information

Health Warning: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)

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Kamotoite-(Y) details from Handbook of Mineralogy (PDF)
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    • Localities for Kamotoite-(Y)

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? 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
          • Madawaska
    		ontariominerals.com; Rocks & Min. (2007) 82:232-233
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov (St Joachimsthal) District
    		Lapis 2002(7/8), 63-65
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Kolwezi
          • 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
        • Giétroz
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 236.
    Mineral and/or Locality
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