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Magnesiozippeite

Big Photo

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

Show Magnesiozippeite Photos (5)
Formula:
Mg(UO
 
2
)
 
2
(SO
 
4
)(OH)
 
4
·1.5H
 
2
O
System:MonoclinicColour:Translucent yellow.
Hardness:2


Zippeite Group.

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

Crystallography of Magnesiozippeite

Crystal System:Monoclinic

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
)(OH)
 
4
·1.5H
 
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 Group:
Zippeite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
7.EC.05Cobaltzippeite
Co
 
2
(UO
 
2
)
 
6
(SO
 
4
)
 
3
(OH)
 
10
·16H
 
2
O
7.EC.05Nickelzippeite
Ni
 
2
(UO
 
2
)
 
6
(SO
 
4
)
 
3
(OH)
 
10
·16H
 
2
O
7.EC.05Natrozippeite
Na
 
4
(UO
 
2
)
 
6
[(OH)
 
10
|(SO
 
4
)
 
3
] · 4H
 
2
O
7.EC.05Zinczippeite
Zn
 
2
(UO
 
2
)
 
6
(SO
 
4
)
 
3
(OH)
 
10
·16H
 
2
O
7.EC.05Zippeite
K
 
4
(UO
 
2
)
 
6
[(OH)
 
10
|(SO
 
4
)
 
3
] · 4H
 
2
O
7.EC.10Rabejacite
Ca(UO
 
2
)
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 6H
 
2
O
7.EC.15Marécottite
(H
 
3
O)
 
8
Mg
 
3
(UO
 
2
)
 
4
[O
 
3
|OH|(SO
 
4
)
 
2
]
 
2
 · 10H
 
2
O
7.EC.15IMA2009-008
Y
 
2
[(UO
 
2
)
 
8
O
 
6
(SO
 
4
)
 
4
(OH)
 
2
]·26H
 
2
O
7.EC.20Pseudojohannite
Cu
 
6.5
(UO
 
2
)
 
8
[O
 
8
|(OH)
 
5
|(SO
 
4
)
 
4
] · 25H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
25.8.1Klebelsbergite
Sb
 
4
[O
 
4
|(OH)
 
2
|SO
 
4
]
25.8.2Coquandite
Sb
 
6
[O
 
8
|SO
 
4
] · H
 
2
O
25.8.3Peretaite
Ca(SbO)
 
4
[(OH)|SO
 
4
]
 
2
 · 2H
 
2
O
25.8.4Cannonite
Bi
 
2
[O|(OH)
 
2
|SO
 
4
]
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
25.8.8Meta-uranopilite
(UO
 
2
)
 
6
[(OH)
 
10
|SO
 
4
] · 5H
 
2
O
25.8.9Uranopilite
(UO
 
2
)
 
6
[(OH)
 
10
|SO
 
4
] · 12H
 
2
O
25.8.10Natrozippeite
Na
 
4
(UO
 
2
)
 
6
[(OH)
 
10
|(SO
 
4
)
 
3
] · 4H
 
2
O
25.8.11Zippeite
K
 
4
(UO
 
2
)
 
6
[(OH)
 
10
|(SO
 
4
)
 
3
] · 4H
 
2
O
25.8.12Johannite
Cu(UO
 
2
)
 
2
[OH|SO
 
4
]
 
2
 · 8H
 
2
O
25.8.14Zinczippeite
Zn
 
2
(UO
 
2
)
 
6
(SO
 
4
)
 
3
(OH)
 
10
·16H
 
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. (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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    Localities for Magnesiozippeite

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