Mindat Logo

Bijvoetite-(Y)

This page is currently not sponsored. Click here to sponsor this page.



Formula:
(Y,Dy)
 
2
(UO
 
2
)
 
4
(CO
 
3
)
 
4
(OH)
 
6
· 11H
 
2
O
System:MonoclinicColour:Yellow
Lustre:VitreousHardness:2
Name:Named after M. Bijvoet
This page provides mineralogical data about Bijvoetite-(Y).

Classification of Bijvoetite-(Y)

IMA status:Approved 1981
Strunz 8th edition ID:5/F.06-30
Nickel-Strunz 10th (pending) edition ID:5.EB.20

5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
B : UO2:CO3 = 1:1
Dana 8th edition ID:16b.2.4.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
2 : AmBn(XO3)pZqxH2O & with (m+n):p = 3:2
Hey's CIM Ref.:11.11.18

11 : Carbonates
11 : Carbonates of Cr and U
mindat.org URL:http://www.mindat.org/min-669.html
Please feel free to link to this page.

Type Occurrence of Bijvoetite-(Y)

Type Locality:Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Physical Properties of Bijvoetite-(Y)

Lustre:Vitreous
Colour:Yellow
Streak:Light yellow
Hardness (Mohs):2

Crystallography of Bijvoetite-(Y)

Crystal System:Monoclinic

Optical Data of Bijvoetite-(Y)

Type:Biaxial (+)
RI values: nα = 1.600 nβ = 1.650 nγ = 1.722
2V:Measured: 84° , Calculated: 84°
Maximum Birefringence:δ = 0.122

Chart 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 Bijvoetite-(Y)

Formula:
(Y,Dy)
 
2
(UO
 
2
)
 
4
(CO
 
3
)
 
4
(OH)
 
6
· 11H
 
2
O
Simplified for copy/paste:(Y,Dy)2(UO2)4(CO3)4(OH)6·11H2O
Essential elements:C, H, O, U, Y
All elements listed in formula:C, Dy, H, O, U, Y

Relationship of Bijvoetite-(Y) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.EB.05Rutherfordine
(UO
 
2
)CO
 
3
5.EB.10Blatonite
(UO
 
2
)CO
 
3
· H
 
2
O
5.EB.15Joliotite
(UO
 
2
)CO
 
3
· nH
 
2
O
Related Minerals - Hey's Index Grouping:

- +
11.11.1Stichtite
Mg
 
6
Cr
 
2
(OH)
 
16
[CO
 
3
] · 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
11.11.15Kamotoite-(Y)
Y
 
2
(UO
 
2
)
 
4
(CO
 
3
)
 
3
O
 
4
· 14H
 
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
11.11.19Widenmannite
Pb
 
2
(OH)
 
2
[(UO
 
2
)(CO
 
3
)
 
2
]
11.11.20Znucalite
Zn
 
12
Ca(UO
 
2
)(CO
 
3
)
 
3
(OH)
 
22
· 4H
 
2
O

Other Names for Bijvoetite-(Y)

Synonyms:
IMA1981-035
Other Languages:
German:Bijvoetit-(Y)

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 Bijvoetite-(Y)

Reference List:

- +
American Mineralogist (1983): 68: 1248.

Li, Y., P.C. Burns, and Gault, R.A. (2000), A new rare-earth element uranyl carbonate sheet in the structure of bijvoetite-(Y). Canadian Mineralogist: 38: 153-162.

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 Bijvoetite-(Y)

Search Engines:
  • Look for Bijvoetite-(Y) on Google
  • Look for Bijvoetite-(Y) images on Google
  • External Links:
  • Look for Bijvoetite-(Y) on Webmineral
  • Look for Bijvoetite-(Y) on Athena Mineralogy
  • Look for Bijvoetite-(Y) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Bijvoetite-(Y) details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Buy fine minerals and gemstones from Pala International
  • Wilensky Fine Minerals
  • Buy rare minerals from Excalibur Minerals
  • Buy from McDougall Minerals
  • Buy RARE Minerals from Rocks of Africa
  • Buy from Dave Bunk Minerals
  • Find Bijvoetite-(Y) on www.crystalclassics.co.uk
  • Fabre Minerals - search for Bijvoetite-(Y) specimens
  • Search for Bijvoetite-(Y) on Well-Arranged Molecules
  • Lapis Mineral Magazin
  • Buy from David K Joyce minerals
  • Top quality minerals from Kristalle of California
  • Localities for Bijvoetite-(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.
    (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.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Ústí Region
        • Krušné Hory Mts (Erzgebirge)
          • Dubí (Eichwald)
    Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)]
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Shinkolobwe
    Canadian Mineralogist (1982): 20: 231-238; Nickel & Nichols, 1991 - "Mineral Reference Manual", p22]
    Finland
     
    • Northern Finland Region
      • Kuusamo
    Al-Ani, Thair and Pakkanen, Lassi (2013): Mini-Atlas of REE-minerals in Finnish Bedrocks. Geologian Tutkimuskeskus/Geological Survey of Finland.
    Zimbabwe
     
    • Masvingo
      • Bikita area
    [Clark, 1993 - "Hey's Mineral Index"]
    Mineral and/or Locality  
    Search Google  
    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: November 26, 2014 10:42:36
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds