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Magnesiozippeite

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Mas d'Alary (Mas d'Alary MCO), Lodève, Hérault, Languedoc-Roussillon, France
© Rick Turner, 2005

Show Magnesiozippeite Photos (10)



Formula:
Mg(UO
 
2
)
 
2
(SO
 
4
)O
 
2
 · 3.5H
 
2
O
System:MonoclinicColour:Translucent yellow.
Hardness:2
Member of:Zippeite Group
Name:For its relation to zippeite.
This page provides mineralogical data about Magnesiozippeite.

Classification of Magnesiozippeite

IMA status:Approved
Strunz 8th edition ID:6/D.20-
Nickel-Strunz 10th (pending) edition ID:7.EC.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
E : Uranyl sulfates
C : With medium-sized and large cations
Dana 8th edition ID:31.10.4.3

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous
Hey's CIM Ref.:25.8.13

25 : Sulphates
8 : Sulphates of Sb, V, Cr and U
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Type Occurrence of Magnesiozippeite

Type Locality:Lucky Strike No. 2 mine, San Rafael District (San Rafael Swell), Emery Co., Utah, USA
Year of Discovery:1976

Physical Properties of Magnesiozippeite

Colour:Translucent yellow.
Hardness (Mohs):2
Density (calculated):4.756 g/cm3

Crystallography of Magnesiozippeite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m {B1 1 2/m} {C2/m} {C1 2/m 1}
Space Group Setting:C2/m
Cell Parameters:a = 8.6514(4) Å, b = 14.1938(7) Å, c = 17.7211(9) Å
β = 104.131(1)°
Ratio:a:b:c = 0.61 : 1 : 1.249
Unit Cell Volume:V 2,110.24 ų (Calculated from Unit Cell)

Optical Data of Magnesiozippeite

Type:Biaxial
RI values: nα = 1.700 nβ = 1.740 nγ = 1.790
Maximum Birefringence:δ = 0.090

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r > v strong

Chemical Properties of Magnesiozippeite

Formula:
Mg(UO
 
2
)
 
2
(SO
 
4
)O
 
2
 · 3.5H
 
2
O
Essential elements:H, Mg, O, S, U
All elements listed in formula:H, Mg, O, S, U

Relationship of Magnesiozippeite to other Species

Member of:Zippeite Group
Other Members of Group:

- +
Cobaltzippeite
Co(UO
 
2
)
 
2
(SO
 
4
)O
 
2
 · 3.5H
 
2
O
Natrozippeite
Na
 
5
(UO
 
2
)
 
8
(SO
 
4
)
 
4
O
 
5
(OH)
 
3
 · 12H
 
2
O
Nickelzippeite
Ni(UO
 
2
)
 
2
(SO
 
4
)O
 
2
 · 3.5H
 
2
O (?)
Pseudojohannite
Cu
 
6.5
(UO
 
2
)
 
8
(SO
 
4
)
 
4
O
 
8
(OH)
 
5
 · 25H
 
2
O
Sejkoraite-(Y)
Y
 
2
(UO
 
2
)
 
8
(SO
 
4
)
 
4
O
 
6
(OH)
 
2
 · 26H
 
2
O
Zinczippeite
Zn(UO
 
2
)
 
2
(SO
 
4
)O
 
2
 · 3.5H
 
2
O
Zippeite
K
 
3
(UO
 
2
)
 
4
(SO
 
4
)
 
2
O
 
3
(OH) · 3H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
7.EC.05Cobaltzippeite
Co(UO
 
2
)
 
2
(SO
 
4
)O
 
2
 · 3.5H
 
2
O
7.EC.05Nickelzippeite
Ni(UO
 
2
)
 
2
(SO
 
4
)O
 
2
 · 3.5H
 
2
O (?)
7.EC.05Natrozippeite
Na
 
5
(UO
 
2
)
 
8
(SO
 
4
)
 
4
O
 
5
(OH)
 
3
 · 12H
 
2
O
7.EC.05Zinczippeite
Zn(UO
 
2
)
 
2
(SO
 
4
)O
 
2
 · 3.5H
 
2
O
7.EC.05Zippeite
K
 
3
(UO
 
2
)
 
4
(SO
 
4
)
 
2
O
 
3
(OH) · 3H
 
2
O
7.EC.10Rabejacite
Ca(UO
 
2
)
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 6H
 
2
O
7.EC.15Marécottite
Mg
 
3
(UO
 
2
)
 
8
(SO
 
4
)
 
4
O
 
6
(OH)
 
2
 · 28H
 
2
O
7.EC.15Sejkoraite-(Y)
Y
 
2
(UO
 
2
)
 
8
(SO
 
4
)
 
4
O
 
6
(OH)
 
2
 · 26H
 
2
O
7.EC.20Pseudojohannite
Cu
 
6.5
(UO
 
2
)
 
8
(SO
 
4
)
 
4
O
 
8
(OH)
 
5
 · 25H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
25.8.1Klebelsbergite
(SbO)
 
4
(SO
 
4
)(OH)
 
2
25.8.2Coquandite
(SbO)
 
6
(SO
 
4
)O
 
2
 · H
 
2
O
25.8.3Peretaite
Ca(SbO)
 
4
(SO
 
4
)
 
2
(OH)
 
2
 · 2H
 
2
O
25.8.4Cannonite
Bi
 
2
(SO
 
4
)O(OH)
 
2
25.8.5Minasragrite
(V
4+
 
O)(SO
 
4
) · 5H
 
2
O
25.8.6Stanleyite
(V
4+
 
O)(SO
 
4
) · 6H
 
2
O
25.8.7Redingtonite
(Fe
2+
 
,Mg,Ni)(Cr,Al)
 
2
(SO
 
4
)
 
4
·22H
 
2
O
25.8.8Metauranopilite
(UO
 
2
)
 
6
(SO
 
4
)(OH)
 
10
 · 5H
 
2
O
25.8.9Uranopilite
(UO
 
2
)
 
6
(SO
 
4
)O
 
2
(OH)
 
6
 · 14H
 
2
O
25.8.10Natrozippeite
Na
 
5
(UO
 
2
)
 
8
(SO
 
4
)
 
4
O
 
5
(OH)
 
3
 · 12H
 
2
O
25.8.11Zippeite
K
 
3
(UO
 
2
)
 
4
(SO
 
4
)
 
2
O
 
3
(OH) · 3H
 
2
O
25.8.12Johannite
Cu(UO
 
2
)
 
2
(SO
 
4
)
 
2
(OH)
 
2
 · 8H
 
2
O
25.8.14Zinczippeite
Zn(UO
 
2
)
 
2
(SO
 
4
)O
 
2
 · 3.5H
 
2
O

Other Names for Magnesiozippeite

Synonyms:
IMA2000-G
Other Languages:
German:Magnesiumzippeit
Russian:Магнийциппеит

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 Magnesiozippeite

Reference List:

- +
Canadian Mineralogist (1976): 14: 429-436.

Journal of the Czech Geological Society, Prague (1997): 42(4): 31-32.

Burns, P.C., Deely, K.M., and Hayden, L.A. (2003): The crystals chemistry of the Zippeite group. Canadian Mineralogist 41(3), 687-706.

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 Magnesiozippeite

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

    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
     
    • Northwest Territories
      • Mackenzie District
        • Great Bear Lake
    		Bridget E. McCollam (2002) ZIPPEITES: CHEMICAL CHARACTERIZATION AND POWDER X-RAY DIFFRACTION STUDIES OF SYNTHETIC AND NATURAL SAMPLES MS Thesis, Notre Dame University
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov (St Joachimsthal) District
    		Lapis 2002(7/8), 63-65
      • Plzeň Region
        • Nepomuk (Pomuk)
          • Kasejovice
    		Bridget E. McCollam (2002) ZIPPEITES: CHEMICAL CHARACTERIZATION AND POWDER X-RAY DIFFRACTION STUDIES OF SYNTHETIC AND NATURAL SAMPLES. MS Thesis, Notre Dame University.
    France
     
    • Burgundy
      • Saône-et-Loire
        • Gueugnon
          • Neuvy-Grandchamp
    		Vajdak, Josef (2006) Mineral News: 22: 11.
    Germany
     
    • Thuringia
      • Gera
        • Ronneburg U deposit
    		T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Djebel Saghro (Jbel Saghro)
          • Bou Skour district
    		Georges FAVREAU collection
    USA
     
    • Nevada
      • Lander Co.
        • Reese River District
    		Bridget E. McCollam (2002) ZIPPEITES: CHEMICAL CHARACTERIZATION AND POWDER X-RAY DIFFRACTION STUDIES OF SYNTHETIC AND NATURAL SAMPLES MS Thesis, Notre Dame University; Jensen, M. and J. Herrmann (2012) Uranium mineralization at the Apex Mine, Lander County, Nevada. Rocks and Minerals 87:270-276
    • Utah
      • Emery Co.
        • San Rafael District (San Rafael Swell)
    		[Can Min 14 (1976), 429; Am Min 88 (2003), 676; Can Min 41(2003), 687; Nickel & Nichols, 1991 - "Mineral Reference Manual", p126]
      • Grand Co.
        • Thompsons District (S. E. Thomsons)
          • Parco Mine Group
    		Bridget E. McCollam (2002) ZIPPEITES: CHEMICAL CHARACTERIZATION AND POWDER X-RAY DIFFRACTION STUDIES OF SYNTHETIC AND NATURAL SAMPLES MS Thesis, Notre Dame University
      • San Juan Co.
        • White Canyon District
          • White Canyon
            • Copper Point
    		Bridget E. McCollam (2002) ZIPPEITES: CHEMICAL CHARACTERIZATION AND POWDER X-RAY DIFFRACTION STUDIES OF SYNTHETIC AND NATURAL SAMPLES MS Thesis, Notre Dame University
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