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Magnesiozippeite

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About MagnesiozippeiteHide

Formula:
Mg(UO2)2(SO4)O2 · 3.5H2O
Colour:
Translucent yellow.
Hardness:
2
Specific Gravity:
4.756 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
For its relation to zippeite.
See also marécottite.


Classification of MagnesiozippeiteHide

Approved
7.EC.05

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

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous
25.8.13

25 : Sulphates
8 : Sulphates of Sb, V, Cr and U

Physical Properties of MagnesiozippeiteHide

Colour:
Translucent yellow.
Hardness:
Density:
4.756 g/cm3 (Calculated)

Optical Data of MagnesiozippeiteHide

Type:
Biaxial
RI values:
nα = 1.700 nβ = 1.740 nγ = 1.790
Max Birefringence:
δ = 0.090
Image 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 MagnesiozippeiteHide

Formula:
Mg(UO2)2(SO4)O2 · 3.5H2O

Crystallography of MagnesiozippeiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
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 V:
2,110.24 ų (Calculated from Unit Cell)
Comment:
Data for synthetic sample. Natural crystals gave a cell with a halved volume (Plášil et al., 2013): a = 8.7005(5), b = 14.2541(6), c = 8.8433(5)Å, β = 104.408(5)°, V = 1062.24(9) Å3.

Type Occurrence of MagnesiozippeiteHide

Synonyms of MagnesiozippeiteHide

Other Language Names for MagnesiozippeiteHide

Relationship of Magnesiozippeite to other SpeciesHide

Member of:
Other Members of this group:
Ammoniozippeite(NH4)2[(UO2)2(SO4)O2]·H2OOrth.
CobaltzippeiteCo(UO2)2(SO4)O2 · 3.5H2OMon. 2/m : B2/m
NatrozippeiteNa5(UO2)8(SO4)4O5(OH)3 · 12H2OMon. 2/m : P21/m
NickelzippeiteNi2(UO2)6(SO4)3(OH)10 · 16H2O Mon.
PlavnoiteK0.8Mn0.6[(UO2)2O2(SO4)]·3.5H2OMon. 2/m : B2/m
PseudojohanniteCu3(OH)2[(UO2)4(SO4)2]· 12H2OTric.
Sejkoraite-(Y)Y2(UO2)8(SO4)4O6(OH)2 · 26H2OTric. 1 : P1
ZinczippeiteZn(UO2)2(SO4)O2 · 3.5H2OMon. 2/m : B2/m
ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2OMon. 2 : B2

Common AssociatesHide

Associated Minerals Based on Photo Data:
5 photos of Magnesiozippeite associated with JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O
1 photo of Magnesiozippeite associated with GypsumCaSO4 · 2H2O

Related Minerals - Nickel-Strunz GroupingHide

7.EC.AdolfpateraiteK(UO2)(SO4)(OH)(H2O)Mon. 2/m : P21/b
7.EC.05CobaltzippeiteCo(UO2)2(SO4)O2 · 3.5H2OMon. 2/m : B2/m
7.EC.05NickelzippeiteNi2(UO2)6(SO4)3(OH)10 · 16H2O Mon.
7.EC.05NatrozippeiteNa5(UO2)8(SO4)4O5(OH)3 · 12H2OMon. 2/m : P21/m
7.EC.05ZinczippeiteZn(UO2)2(SO4)O2 · 3.5H2OMon. 2/m : B2/m
7.EC.05ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2OMon. 2 : B2
7.EC.10RabejaciteCa(UO2)4(SO4)2(OH)6 · 6H2OOrth.
7.EC.15MarécottiteMg3(UO2)8(SO4)4O6(OH)2 · 28H2OTric. 1 : P1
7.EC.15Sejkoraite-(Y)Y2(UO2)8(SO4)4O6(OH)2 · 26H2OTric. 1 : P1
7.EC.20PseudojohanniteCu3(OH)2[(UO2)4(SO4)2]· 12H2OTric.

Related Minerals - Dana Grouping (8th Ed.)Hide

31.10.4.1ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2OMon. 2 : B2
31.10.4.2NatrozippeiteNa5(UO2)8(SO4)4O5(OH)3 · 12H2OMon. 2/m : P21/m
31.10.4.4NickelzippeiteNi2(UO2)6(SO4)3(OH)10 · 16H2O Mon.
31.10.4.5ZinczippeiteZn(UO2)2(SO4)O2 · 3.5H2OMon. 2/m : B2/m
31.10.4.6CobaltzippeiteCo(UO2)2(SO4)O2 · 3.5H2OMon. 2/m : B2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

25.8.1KlebelsbergiteSb4O4(SO4)(OH)2Orth. mm2
25.8.2CoquanditeSb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3)Tric. 1 : P1
25.8.3PeretaiteCa(SbO)4(SO4)2(OH)2 · 2H2OMon. 2/m : B2/b
25.8.4CannoniteBi2(SO4)O(OH)2Mon. 2/m : P21/b
25.8.5Minasragrite(V4+O)(SO4) · 5H2OMon. 2/m
25.8.6Stanleyite(V4+O)(SO4) · 6H2OOrth.
25.8.7Redingtonite(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2OMon.
25.8.8Metauranopilite(UO2)6(SO4)(OH)10 · 5H2O
25.8.9Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2OMon.
25.8.10NatrozippeiteNa5(UO2)8(SO4)4O5(OH)3 · 12H2OMon. 2/m : P21/m
25.8.11ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2OMon. 2 : B2
25.8.12JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2OTric. 1
25.8.14ZinczippeiteZn(UO2)2(SO4)O2 · 3.5H2OMon. 2/m : B2/m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for MagnesiozippeiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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.
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.

Internet Links for MagnesiozippeiteHide

Localities for MagnesiozippeiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada
 
  • Northwest Territories
    • 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
 
  • Karlovy Vary Region
    • Karlovy Vary District
Lapis 2002(7/8), 63-65
In the collections of Kunt Eldjarn and Brent Thorne.
    • Plavno mine
Plášil J., Škoda, R (2015) New crystal-chemical data for marécottite Mineral Mag 79: 649-660; Plášil J., Škoda, R (2015) New crystal-chemical data for marécottite Mineral Mag 79: 649-660
  • Plzeň Region
    • Plzeň-South District
      • Nepomuk
        • 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
 
  • Bourgogne-Franche-Comté
    • 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
Hungary
 
  • Baranya County
Szakáll-Fehér 2014.
Morocco
 
  • Drâa-Tafilalet Region
    • Zagora Province
      • Djebel Saghro
        • Bou Skour district
Georges FAVREAU collection
Switzerland
 
  • Valais
    • Le Trient Valley
      • Les Marécottes
- Meisser, N. (2012): La minéralogie de l'uranium dans le massif des Aiguilles Rouges. Matér. Géol. Suisse, Sér. géotech. 96, 183 p.
USA
 
  • Nevada
    • Lander Co.
      • Reese River Mining 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 Mining 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 Mining District
        • Yellow Cat Mesa
          • 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
        • 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.
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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