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Bayleyite

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Formula:
Mg
 
2
(UO
 
2
)(CO
 
3
)
 
3
· 18H
 
2
O
System:MonoclinicColour:Yellow, whitish yellow
Name:Named after William S. Bayley (1861-1943), American mineralogist and geologist.
This page provides mineralogical data about Bayleyite.

Classification of Bayleyite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:5/F.02-20
Nickel-Strunz 10th (pending) edition ID:5.ED.05

5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
D : UO2:CO3 = 1:3
Dana 8th edition ID:15.3.3.1

15 : HYDRATED NORMAL CARBONATES
3 : AmBn(XO3)p·xH2O, with (m+n):p = 1:1
Hey's CIM Ref.:11.11.5

11 : Carbonates
11 : Carbonates of Cr and U
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Type Occurrence of Bayleyite

Type Locality:Hillside Mine (Happy Jack MS 920 claim; Camp MS 919 claim; Seven Stars MS 916 claim), Bozarth Mesa, Bagdad, Eureka District, Yavapai Co., Arizona, USA
Year of Discovery:1948
Geological Setting of type material:Post-mining efforescent coatings on mine walls.
Associated Minerals at type locality:
SwartziteSchröckingeriteGypsumAndersonite

Physical Properties of Bayleyite

Diaphaneity (Transparency):Translucent
Colour:Yellow, whitish yellow
Density (measured):2.05 g/cm3
Density (calculated):2.06 g/cm3

Crystallography of Bayleyite

Crystal System:Monoclinic
Cell Parameters:a = 26.65Å, b = 15.31Å, c = 6.53Å
β = 93.07°
Ratio:a:b:c = 1.741 : 1 : 0.427
Unit Cell Volume:V 2,660.49 ų (Calculated from Unit Cell)
Morphology:Crystals minute, short-prismatic; also acicular; in divergent groups (artificial material).

Optical Data of Bayleyite

Type:Biaxial (-)
RI values: nα = 1.453 - 1.455 nβ = 1.490 - 1.492 nγ = 1.498 - 1.502
2V:Measured: 30°
Maximum Birefringence:δ = 0.045 - 0.047

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v distinct
Pleochroism:Visible
Comments:X = Pinkish
Y = Light yellow
Z = Light yellow

Chemical Properties of Bayleyite

Formula:
Mg
 
2
(UO
 
2
)(CO
 
3
)
 
3
· 18H
 
2
O
Simplified for copy/paste:Mg2(UO2)(CO3)3·18H2O
Essential elements:C, H, Mg, O, U
All elements listed in formula:C, H, Mg, O, U

Relationship of Bayleyite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.ED.10Swartzite
MgCa(UO
 
2
)(CO
 
3
)
 
3
· 12H
 
2
O
5.ED.15Albrechtschraufite
Ca
 
4
Mg(UO
 
2
)
 
2
(CO
 
3
)
 
6
F
 
2
· 17-18H
 
2
O
5.ED.20Liebigite
Ca
 
2
(UO
 
2
)(CO
 
3
)
 
3
· 11H
 
2
O
5.ED.25Rabbittite
Ca
 
3
Mg
 
3
(UO
 
2
)
 
2
(CO
 
3
)
 
6
(OH)
 
4
· 18H
 
2
O
5.ED.30Andersonite
Na
 
2
Ca(UO
 
2
)(CO
 
3
)
 
3
· 6H
 
2
O
5.ED.35Grimselite
K
 
3
Na(UO
 
2
)(CO
 
3
)
 
3
· H
 
2
O
5.ED.40Widenmannite
Pb
 
2
(OH)
 
2
[(UO
 
2
)(CO
 
3
)
 
2
]
5.ED.45Znucalite
Zn
 
12
Ca(UO
 
2
)(CO
 
3
)
 
3
(OH)
 
22
· 4H
 
2
O
5.ED.50Čejkaite
Na
 
4
(UO
 
2
)(CO
 
3
)
 
3
5.ED.50Agricolaite
K
 
4
(UO
 
2
)(CO
 
3
)
 
3
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
11.11.6Metazellerite
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
11.11.18Bijvoetite-(Y)
(Y,Dy)
 
2
(UO
 
2
)
 
4
(CO
 
3
)
 
4
(OH)
 
6
· 11H
 
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 Bayleyite

Other Languages:
German:Bayleyit
Russian:Бейлиит
Spanish:Bayleyita

Other Information

Fluorescence in UV light:Weakly fluorescent in UV.
Other Information:Soluble in water.
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 Bayleyite

Reference List:

- +
Axelrod, Grimaldi, Milton, and Murata (1951) American Mineralogist: 36: 1-22.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 237-238.

Mayer, H. and Mereiter, K. (1986) Synthetic bayleyite, Mg2[UO2(CO3)3]·18H2O: thermochemistry, crystallography and crystal structure. Tschermaks Mineralogische und Petrographische Mitteilungen: 35: 133-146.

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 Bayleyite

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

    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.
    Argentina
     
    • Mendoza
      • Malargüe Department
        • Pampa Amarilla District
    Linares, E. El Yacimiento Cerro Huemul, Malargue, Mendoza. Informe Comision Nacional de Energia Atomica. Inedito. 1956; American Mineralogist: 51: 1-13
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
    Pavel Škácha
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Rožná deposit
    Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 2. část. (Kutna Hora, issue 2
    France
     
    • Languedoc-Roussillon
      • Hérault
        • Lodève
    Le Règne Minéral, Hors Série IV (1998)
    Le Règne Minéral, Hors Série IV (1998)
    Germany
     
    • Thuringia
      • Gera
        • Ronneburg U deposit
    T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    Morocco
     
    • Guelmim-Es Semara Region
      • Tata Province
        • Azgour (Azegour)
    J. Geffroy, J.A. Sarcia & J. Chervet (1960): "Les minéraux uranifères français et leurs gisements" p231
    Spain
     
    • Catalonia
      • Lleida (Lérida)
        • El Pallars Jussà
          • La Vall Fosca
            • La Torre de Cabdella (La Torre de Capdella)
              • Castell-estaó
    http://mineralsabella.blogspot.de/2009/11/minerales-raros-de-uranio.html
    Switzerland
     
    • Bern
      • Hasli Valley
        • Grimsel area
          • Gerstenegg
    Rolf Luetcke
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 69
    USA
     
    • Arizona
      • Cochise Co.
        • Mule Mts
          • Warren District
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.:69
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 130.
      • Yavapai Co.
        • Eureka District
          • Bagdad
            • Bozarth Mesa
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 236, 238; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 111, 130, 365; Anderson, C.A., et al (1955), Geology and ore deposits of the Bagdad area, Yavapai County, Arizona, USGS PP 278: 50; Axelrod, J.M., et al (1951), The uranium minerals from the Hillside mine, Yavapai Co., AZ, Am.Min.: 36: 1-22; Frondel, C.C. (1958), Systematic mineralogy of uranium and thorium, USGS Bull. 1064: 119; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 51, 52.
    • Colorado
      • Clear Creek Co.
        • Idaho Springs District
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
        • Lawson District (Dumont District)
    Minerals of Colorado (1997) Eckels, E. B.; U.S. Geological Survey Professional Paper 371
      • Garfield Co.
        • East Rifle Creek area
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) E.B. Eckels
      • Jefferson Co.
        • Ralston Buttes District
    Minerals of Colorado (1997) Eckels, E. B.
      • Montrose Co.
        • Uravan District
          • Paradox Valley
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
    • New Mexico
      • Cibola Co.
        • Grants District
    Minerals of New Mexico 3rd ed.
      • McKinley Co.
    Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    Northrup, Minerals of New Mexico, 3rd Rev. Ed., 1996
    NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
    NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
          • Poison Canyon area
    New Mexico Bureau of Mines and Mineral Resources
      • Sandoval Co.
        • Nacimiento Mountains District
    NMBMMR Memoir 38 Geology and Technology of the Grants Uranium Region 1979; USGS Open-File Report 79-1510
    • Oklahoma
      • Comanche Co.
    Rocks & Min. vol. 72 (1997)
    • Utah
      • Emery Co.
        • San Rafael District (San Rafael Swell)
          • Delta
    UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Grand Co.
      • San Juan Co.
        • Big Indian District (Big Indian Wash - Lisbon Valley Area)
    UGMS Bull 117 Minerals and Mineral Localities of Utah
        • Elk Ridge
    UGMS Bull 117 Minerals and Mineral Localities of Utah
        • White Canyon District
          • White Canyon
            • Fry Mesa
    Jakub Plášil, Karla Fejfarová, Radek Škoda, Michal Dušek, Joe Marty and Jiří Čejka (2013): The crystal structure of magnesiozippeite, Mg[(UO2)2O2(SO4)](H2O)3.5, from East Saddle Mine, San Juan County, Utah (U.S.A.). Mineral. Petrol. 107, 211-219.
          • Woodenshoe Buttes
            • The Toe
              • Deer Flat
    Minerals and Mineral Localities of Utah. Utah Department fo Natural Resources Bulletin 117. Jan. 1981; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp281-284
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    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.
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