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Munakataite

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Formula:
Pb2Cu2(Se4+O3)(SO4)(OH)4
System:
Monoclinic
Colour:
light blue
Hardness:
Name:
Named for the city of Munakata, where the Kato mine is located.
Isostructural with:
Linarite-Chenite Group.

The sulphate analogue of schmiederite.

Classification of Munakataite

Approved 2007
7.BC.65

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
C : With medium-sized and large cations
34.8.9.

34 : SELENITES, TELLURITES AND SULFITES
8 : Compound Selenites, Tellurites and Sulfites
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First Recorded Occurrence of Munakataite

General Appearance of First Recorded Material:
thin coating on a fracture in a quartz vein. occurs as aggregates of minute fibrous crystals (to 30 microns)
Place of Conservation of First Recorded Material:
National Museum of Nature and Science, Tokyo, Japan (NSM-M28982)
Geological Setting of First Recorded Material:
Oxide zone of aguilarite-bearing Pb-Zn-Au-Ag ores.
Associated Minerals at First Recorded Locality:

Physical Properties of Munakataite

Vitreous
Diaphaneity (Transparency):
Transparent
Colour:
light blue
Streak:
bluish white
Hardness (Mohs):
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
Perfect
or distinct in one direction
Fracture:
None observed
Density:
5.526 g/cm3 (Calculated)

Crystallography of Munakataite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Cell Parameters:
a = 9.766(8) Å, b = 5.666(5) Å, c = 9.291(10) Å
β = 102.40(8)°
Ratio:
a:b:c = 1.724 : 1 : 1.64
Unit Cell Volume:
V 502.1 ų
Z:
2
X-Ray Powder Diffraction Data:
d-spacingIntensity
4.86 (44)
4.47 (57)
3.53 (39)
3.18 (100)
3.14 (68)
2.72 (22)
2.33 (18)
1.813 (19)

Chemical Properties of Munakataite

Formula:
Pb2Cu2(Se4+O3)(SO4)(OH)4
Essential elements:
All elements listed in formula:

Relationship of Munakataite to other Species

Other Members of Group:
ChenitePb4Cu(SO4)2(OH)6
LinaritePbCu(SO4)(OH)2
SchmiederitePb2Cu2(Se6+O4)(Se4+O3)(OH)4
7.BC.05D'AnsiteNa21Mg(SO4)10Cl3
7.BC.10AluniteKAl3(SO4)2(OH)6
7.BC.10Ammonioalunite(NH4)Al3(SO4)2(OH)6
7.BC.10Ammoniojarosite(NH4)Fe33+(SO4)2(OH)6
7.BC.10ArgentojarositeAgFe33+(SO4)2(OH)6
7.BC.10Beaverite-(Cu)Pb(Fe3+,Cu)3(SO4)2(OH)6
7.BC.10DorallchariteTlFe33+(SO4)2(OH)6
7.BC.10HuangiteCa0.5Al3(SO4)2(OH)6
7.BC.10Hydroniumjarosite(H3O)Fe33+(SO4)2(OH)6
7.BC.10JarositeKFe3+ 3(SO4)2(OH)6
7.BC.10Natroalunite-2c(Na,Ca0.5,K)Al3(SO4)2(OH)6
7.BC.10NatroaluniteNaAl3(SO4)2(OH)6
7.BC.10NatrojarositeNaFe3(SO4)2(OH)6
7.BC.10OsarizawaitePb(Al,Cu)3(SO4)2(OH)6
7.BC.10PlumbojarositePb0.5Fe33+(SO4)2(OH)6
7.BC.10Schlossmacherite(H3O)Al3(SO4)2(OH)6
7.BC.10WalthieriteBa0.5Al3(SO4)2(OH)6
7.BC.10Beaverite-(Zn)Pb(Fe23+Zn)(SO4)2(OH)6
7.BC.15Ye'elimiteCa4Al6(SO4)O12
7.BC.20AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3Cl
7.BC.20NabokoiteKCu7(SO4)5(Te4+O3)OCl
7.BC.25ChlorothioniteK2Cu(SO4)Cl2
7.BC.30EuchlorineKNaCu3(SO4)3O
7.BC.30FedotoviteK2Cu3(SO4)3O
7.BC.35KamchatkiteKCu3(SO4)2OCl
7.BC.40PiypiteK2Cu2(SO4)2O
7.BC.45KlyuchevskiteK3Cu3(Fe3+,Al)(SO4)4O2
7.BC.45AlumoklyuchevskiteK3Cu3(Al,Fe3+)(SO4)4O2
7.BC.50CaledonitePb5Cu2(SO4)3(CO3)(OH)6
7.BC.55WherryitePb7Cu2(SO4)4(SiO4)2(OH)2
7.BC.60MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2
7.BC.65LinaritePbCu(SO4)(OH)2
7.BC.65SchmiederitePb2Cu2(Se6+O4)(Se4+O3)(OH)4
7.BC.70ChenitePb4Cu(SO4)2(OH)6
7.BC.75KrivovichevitePb3Al(SO4)(OH)7
7.BC.80AnhydrokainiteKMg(SO4)Cl

Other Names for Munakataite

Name in Other Languages:
German:Munakatait
Japanese:宗像石

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 Munakataite

Reference List:
Matsubara, S. et al. (2008): Journal of Mineralogical & Petrological Sciences 103, 327-332.

Kampf, A. R., Mills, S. J. & Housley, R. M. (2010) The crystal structure of munakataite, Pb2Cu2(Se4+O3)(SO4)(OH)4, from Otto Mountain, San Bernardino County, California, USA. Mineralogical Magazine, 74(6), 991–998.

Internet Links for Munakataite

Localities for Munakataite

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).
Austria
 
  • Styria
    • Liesing - Palten valley
      • Seiz
        • Wolfsgruben (Wolfgruben)
Leikauf, B., Bojar, H.-P., Taucher, J., Kolitsch, U. & Brandstätter, F. (2013): 1826) Caledonit, Linarit, Mimetesit, Munakatait, Plumbojarosit und vermutlich Oxyplumboroméit aus dem Kupfervorkommen der Wolfgruben bei Seiz, Liesing-Paltental, Steiermark. Pp. 138-139 in Niedermayr, G. et al. (2013): Neue Mineralfunde aus Österreich LXII. Carinthia II, 203./123., 91-146.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Příbram
        • Březové Hory ore region (Birkenberg)
          • Černojamské deposit (Black pits deposit)
Sejkora Jiří, Černý Pavel, Černý Petr (2010): Výskyt vzácného seleničitanu, munakataitu, na haldě dolu Lill v Příbrami (Česká republika) [The occurrence of rare selenate, munakataite, at mine dump of the Lill mine, Příbram (Czech Republic)]. Bulletin mineralogicko-petrologického oddělení, 18, 87-90.
France
 
  • Midi-Pyrénées
    • Aveyron
      • Decazeville
        • Asprières
          • La Vidale vein
Boisson, J.-M. & Leconte, J. (2014): Analyses 2012-2013 MNHN-MICROMONTEURS. La revue de Micromonteurs, 21.
    • Lot
      • Cuzac
Vincent Bourgoin collection; Boisson, J.-M. & Leconte, J. (2014): Analyses 2012-2013 MNHN-MICROMONTEURS. La revue de Micromonteurs, 21.
Japan
 
  • Honshu Island
    • Tohoku Region
      • Akita Prefecture
Matsubara, S. et al. (2008): Journal of Mineralogical & Petrological Sciences 103, 327-332
  • Kyushu Region
    • Fukuoka prefecture
      • Munakata
Matsubara, S. et al. (2008): Journal of Mineralogical & Petrological Sciences 103, 327-332
Spain
 
  • Andalusia
    • Almería
      • Níjar
        • Rodalquilar
          • Cerro de los Guardias
Georges FAVREAU collection
USA
 
  • Arizona
    • Maricopa Co.
      • Big Horn Mts
        • Osborn District
          • Tonopah
            • Belmont Mountain
Joe Marty, Anthony Kampf, Robert Housley, Stuart Mills, Stefan Weiss (2010) Seltene neue Tellurmineralien aus Kalifornien, Utah, Arizona und New Mexico (USA). Lapis, 35, #12, 42-51.
    • Pinal Co.
      • Mammoth District
        • Tiger
          • St. Anthony deposit
Robert O. Meyer collection; WDS and EDS confirmed
  • California
    • San Bernardino Co.
      • Baker
Robert housley collection (ID by PXRD and SEM-EDS by Anthony Kampf at Los Angeles County Natural History Museum)
Kampf, A. R., Mills, S. J. & Housley, R. M. (2010) The crystal structure of munakataite, Pb2Cu2(Se4+O3)(SO4)(OH)4, from Otto Mountain, San Bernardino County, California, USA. Mineralogical Magazine, 74(6), 991–998. Collected by and in the collection of Brent Thorne. Visually identified.
Kampf, A. R., Mills, S. J. & Housley, R. M. (2010) The crystal structure of munakataite, Pb2Cu2(Se4+O3)(SO4)(OH)4, from Otto Mountain, San Bernardino County, California, USA. Mineralogical Magazine, 74(6), 991–998.
Rocks & Minerals 86:132-142
Collected by and in the collection of Brent Thorne.
  • Nevada
    • Humboldt Co.
      • Iron Point District
        • Valmy
Joe Marty, Anthony Kampf, Robert Housley, Stuart Mills, Stefan Weiss (2010) Seltene neue Tellurmineralien aus Kalifornien, Utah, Arizona und New Mexico (USA). Lapis, 35, #12, 42-51.
Mineral and/or Locality  
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