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Osakaite

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Formula:
Zn4(SO4)(OH)6 · 5H2O
System:
Triclinic
Name:
named for type locality
Known as a synthetic compound (Bear, 1986).
Partial dehydration may result in lahnsteinite.

Related to namuwite.
Compare also Unnamed (Basic Zinc Sulphate Hydrate).


Classification of Osakaite

Approved
Approval Year:
2006
7.DE.40

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
E : With only medium-sized cations; unclassified
31.4.7.2

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
4 : (AB)4(XO4)Zq·xH2O

Chemical Properties of Osakaite

Formula:
Zn4(SO4)(OH)6 · 5H2O
IMA Formula:
Zn4SO4(OH)6 · 5H2O
Elements listed in formula:

Crystallography of Osakaite

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 8.358 Å, b = 8.337 Å, c = 11.027 Å
α = 94.97°, β = 83.16°, γ = 119.6°
Ratio:
a:b:c = 1.003 : 1 : 1.323
Unit Cell Volume:
V 662.99 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
d-spacingIntensity
10.96 (100)
5.47 (16)
3.642 (17)
3.229 (8)
2.717 (21)
2.663 (8)
2.562 (9)
1.574 (18)

Type Occurrence of Osakaite

Geological Setting of Type Material:
Oxide zone of hydrothermal vein cutting shale at abandoned zinc mine.

Relationship of Osakaite to other Species

7.DE.05MangazeiteAl2(SO4)(OH)4 · 3H2O
7.DE.10CarbonatecyanotrichiteCu4Al2(CO3,SO4)(OH)12 · 2H2O
7.DE.10CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
7.DE.10UKI-1975-(SO:AlCu)(Cu, Al, SO4, H2O)
7.DE.15SchwertmanniteFe163+(OH,SO4)12-13O16 · 10-12H2O
7.DE.20TlalociteCu10Zn6(Te6+O4)2(Te4+O3)(OH)25Cl · 27H2O
7.DE.25UtahiteCu5Zn3(TeO4)4(OH)8 · 7H2O
7.DE.35CoquanditeSb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3)
7.DE.45WilcoxiteMgAl(SO4)2F · 17H2O
7.DE.50Stanleyite(V4+O)(SO4) · 6H2O
7.DE.55McalpineiteCu3(Te6+O6)
7.DE.60HydrobasaluminiteAl4(SO4)(OH)10 · 12-36H2O
7.DE.62VolaschioiteFe4(SO4)O2(OH)6 · 2H2O
7.DE.65ZaheriteAl12(SO4)5(OH)26 · 20H2O
7.DE.70LautenthalitePbCu4(SO4)2(OH)6 · 3H2O
7.DE.75CamérolaiteCu6Al3(OH)18(H2O)2[Sb(OH)6](SO4)

Other Names for Osakaite

Name in Other Languages:
Japanese:大阪石
Simplified Chinese:大阪石

Other Information

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 Osakaite

Reference List:
Bear, I.J., Grey, I.E., Madsen, I.C., Newnham, I.E., Rogers, L.J. (1986): Structures of the basic zinc sulfates 3Zn(OH)2•ZnSO4•mH2O, m = 3 and 5. Acta Crystallographica, B42, 32-39.

Ohnishi, M., Kusachi, I., Kobayashi, S. (2007): Osakaite, Zn4SO4(OH)6•5H2O, a new mineral species from the Hirao mine, Osaka, Japan. Canadian Mineralogist, 45, 1511-1517.

Internet Links for Osakaite

mindat.org URL:
https://www.mindat.org/min-31498.html
Please feel free to link to this page.

Localities for Osakaite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Australia
 
  • New South Wales
    • Yancowinna Co.
      • Broken Hill
Elliott, P. (2010). Crystal Chemistry of Cadmium Oxysalt and associated Minerals from Broken Hill, New South Wales (Doctoral dissertation, The University of Adelaide).
Greece
 
  • Attikí Prefecture (Attica; Attika)
Lapis, 33 (2008), #4, 8 ("pers. comm. U. Kolitsch, NHM Vienna").
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
          • Kamariza Mines (Kamareza Mines)
            • Hilarion area
Kolitsch, U., Rieck, B., Brandstätter, F., Schreiber, F., Fabritz, K. H., Blaß, G. & Gröbner, J. (2014): Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (I). Mineralien-Welt 25 (1), 60-75 (in German).
Kolitsch, U., Rieck, B., Brandstätter, F., Schreiber, F., Fabritz, K. H., Blaß, G. & Gröbner, J. (2014): Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (I). Mineralien-Welt 25 (1), 60-75 (in German).
Italy
 
  • Veneto
    • Vicenza Province
      • Torrebelvicino
        • Mercanti Valley
Orlandi, P. (2013): Schulenbergite, minohlite, namuwite e osakaite nelle associazioni supergeniche del distretto minerario Schio-Recoaro (Vicenza). Micro, 11, 2-9.
        • Monte Naro
          • Monte Naro - Riolo Valley side
            • Contrada Trentini
Orlandi, P. (2013): Schulenbergite, minohlite, namuwite e osakaite nelle associazioni supergeniche del distretto minerario Schio-Recoaro (Vicenza). Micro, 11, 2-9.
Japan (TL)
 
  • Honshu Island
    • Kinki Region
      • Osaka Prefecture
        • Minoh (Minoo)
          • Onsen-cho
Ohnishi, M., Kusachi, I., Kobayashi, S. (2007): Osakaite, Zn4SO4(OH)6•5H2O, a new mineral species from the Hirao mine, Osaka, Japan. Canadian Mineralogist, 45, 1511-1517.
USA
 
  • California
    • Inyo Co.
      • Inyo Mts (Inyo Range)
        • Malpais Mesa
Kampf, A. R., Mills, S. J., & Nash, B. P. (2016). PREPUBLICATION: Pauladamsite, Cu4 (SeO3)(SO4)(OH) 4· 2H2O, a new mineral from the Santa Rosa mine, Darwin district, California, USA. Mineralogical Magazine.
Mineral and/or Locality  
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