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Osakaite

Formula:
Zn
 
4
(SO
 
4
)(OH)
 
6
 ·5H
 
2
O
System:Triclinic
Name:named for type locality


New structure type; known as a synthetic compound (Bear, 1986).
Related to namuwite.

Classification of Osakaite

IMA status:Approved 2006
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:31.4.7.2

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

Type Locality:Hirao mine, Onsen-cho, Minoo, Osaka Prefecture, Kinki Region, Honshu Island, Japan
Geological Setting of type material:Oxide zone of hydrothermal vein cutting shale at abandoned zinc mine.

Crystallography of Osakaite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 8.358Å, b = 8.337Å, c = 11.027Å
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:
d-spacingIntensity
10.96 (100)
5.47 (16)
3.642 (17)
3.229 (8)
2.717 (21)
2.663 (8)
2.562 (9)

Chemical Properties of Osakaite

Formula:
Zn
 
4
(SO
 
4
)(OH)
 
6
 ·5H
 
2
O
Essential elements:H, O, S, Zn
All elements listed in formula:H, O, S, Zn

Relationship of Osakaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DE.05Mangazeite
Al
 
2
[(OH)
 
4
|SO
 
4
] · 3H
 
2
O
7.DE.10Carbonatecyanotrichite
Cu
 
4
Al
 
2
[(OH)
 
12
|(CO
 
3
,SO
 
4
)] · 2H
 
2
O
7.DE.10Cyanotrichite
Cu
 
4
Al
 
2
[(OH)
 
12
|SO
 
4
] · 2H
 
2
O
7.DE.10UKI-1975-(SO:AlCu)
Cu, Al, SO4, H2O
7.DE.15Schwertmannite
Fe
3+
16
O
 
16
(OH,SO
 
4
)
 
12-13
 · 10-12H
 
2
O
7.DE.20Tlalocite
Cu
 
10
Zn
 
6
(TeO
 
3
)(TeO
 
4
)
 
2
Cl(OH)
 
25
·27H
 
2
O
7.DE.25Utahite
Cu
 
5
Zn
 
3
[(OH)
 
2
|TeO
 
4
]
 
4
 · 7H
 
2
O
7.DE.35Coquandite
Sb
 
6
[O
 
8
|SO
 
4
] · H
 
2
O
7.DE.45Wilcoxite
MgAl[F|(SO
 
4
)
 
2
] · 18H
 
2
O
7.DE.50Stanleyite
(V
4+
 
O)[SO
 
4
] · 6H
 
2
O
7.DE.55Mcalpineite
Cu
 
3
[TeO
 
6
] · H
 
2
O
7.DE.60Hydrobasaluminite
Al
 
4
[(OH)
 
10
|SO
 
4
] · 12-36H
 
2
O
7.DE.65Zaherite
Al
 
12
[(OH)
 
26
|(SO
 
4
)
 
5
] · 20H
 
2
O
7.DE.70Lautenthalite
PbCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
·3H
 
2
O
7.DE.75Camerolaite
Cu
 
4
Al
 
2
[(OH)
 
10
|CO
 
3
|(HSbO
 
4
,SO
 
4
)] · 2H
 
2
O

Other Names for Osakaite

Synonyms:
IMA2006-049
Other Languages:
Japanese:大阪石

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 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

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    Localities for Osakaite

    Hide Locality List
    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.
    Greece
     
    • Attikí (Attica; Attika) Prefecture
    		Lapis, 33 (2008), #4, 8.
    Japan
     
    • Honshu Island
      • Kinki Region
        • Osaka Prefecture
          • 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.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the 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 hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 6th Nov 2009 15:20:06