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Mpororoite

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Big Photo

Kara #1 Pit, Kara Mines, Hampshire district, Tasmania, Australia
© 2008, JGW

Show Mpororoite Photos (2)



Formula:
WAlO
 
3
(OH)
 
3
 · 2(H
 
2
O)
Colour:Greenish yellow
This page provides mineralogical data about Mpororoite.

Classification of Mpororoite

IMA status:Approved
Strunz 8th edition ID:4/E.02-60
Nickel-Strunz 10th (pending) edition ID:7.GB.35

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
B : With additional anions and/or H2O
Dana 8th edition ID:49.3.4.1

49 : HYDRATED MOLYBDATES AND TUNGSTATES
3 : Hydrated Molybdates and Tungstates Containing Hydroxyl or Halogen
Hey's CIM Ref.:27.4.5

27 : Sulphites, Chromates, Molybdates and Tungstates
4 : Tungstates
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Type Occurrence of Mpororoite

Type Locality:Mpororo W Deposit, Kisoro, Kigezi District, Uganda
Year of Discovery:1972

Physical Properties of Mpororoite

Colour:Greenish yellow
X-Ray Powder Diffraction:
d-spacingIntensity
8.21 (100)
6.18 (16)
5.69 (18)
4.20 (17)
4.09 (19)
3.084 (90b)
2.357 (15)

Chemical Properties of Mpororoite

Formula:
WAlO
 
3
(OH)
 
3
 · 2(H
 
2
O)
Essential elements:Al, H, O, W
All elements listed in formula:Al, H, O, W

Relationship of Mpororoite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.GB.05Lindgrenite
Cu
 
3
(MoO
 
4
)
 
2
(OH)
 
2
7.GB.10Szenicsite
Cu
 
3
(MoO
 
4
)(OH)
 
4
7.GB.15Cuprotungstite
Cu
 
2
(WO
 
4
)(OH)
 
2
7.GB.15UM1999-38-WO:CrV
(V, Cr, W, O, H) [V:Cr:W ratio about 2:1:3]
7.GB.20Phyllotungstite
(H
 
2
O,M)
 
x
(W,Fe)(O,OH)
 
3
 · yH
 
2
O (M = Ca, Cs, Pb or K)
7.GB.25Rankachite
Ca
 
0.5
(V
4+
 
,V
5+
 
)(W
6+
 
,Fe
3+
 
)
 
2
O
 
8
(OH) · 2H
 
2
O
7.GB.30Ferrimolybdite
Fe
 
2
(MoO
 
4
)
 
3
 · nH
 
2
O
7.GB.35Anthoinite
AlWO
 
3
(OH)
 
3
7.GB.40Obradovicite-KCu
[K
 
2
(H
 
2
O)
 
17
Cu(H
 
2
O)
 
6
][Mo
 
8
As
 
2
Fe
3+
3
O
 
34
(OH)
 
3
]
7.GB.45Mendozavilite-NaFe
[Na
 
2
(H
 
2
O)
 
15
Fe
3+
 
(H
 
2
O)
 
6
][Mo
 
8
P
 
2
Fe
3+
3
O
 
35
(OH)
 
2
]
7.GB.45Paramendozavilite
[KAl
 
4
(H
 
2
O)
 
30
][Mo
 
12
P
 
6
Fe
3+
6
O
 
60
(OH)
 
13
]
7.GB.50Tancaite-(Ce)
FeCe(MoO
 
4
)
 
3
·3H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
27.4.1Cuprotungstite
Cu
 
2
(WO
 
4
)(OH)
 
2
27.4.2Scheelite
Ca(WO
 
4
)
27.4.4Anthoinite
AlWO
 
3
(OH)
 
3
27.4.6Yttrotungstite-(Y)
YW
 
2
O
 
6
(OH)
 
3
27.4.7Yttrotungstite-(Ce)
(Ce,Nd,Y)W
 
2
O
 
6
(OH)
 
3
27.4.8Stolzite
Pb(WO
 
4
)
27.4.9Raspite
Pb(WO
 
4
)
27.4.10Russellite
Bi
 
2
WO
 
6
27.4.11Pinalite
Pb
 
3
WO
 
5
Cl
 
2
27.4.12Uranotungstite
(Fe
2+
 
,Ba,Pb)(UO
 
2
)
 
2
(WO
 
4
)(OH)
 
4
 · 12H
 
2
O
27.4.13Hübnerite
MnWO
 
4
27.4.14Ferberite
FeWO
 
4
27.4.15Wolframite
(Fe
2+
 
)WO
 
4
 
 
to (Mn
2+
 
)WO
 
4
27.4.16Ferritungstite
27.4.17Phyllotungstite
(H
 
2
O,M)
 
x
(W,Fe)(O,OH)
 
3
 · yH
 
2
O (M = Ca, Cs, Pb or K)
27.4.18Qitianlingite
(Fe,Mn)
 
2
(Nb,Ta)
 
2
WO
 
10

Other Names for Mpororoite

Synonyms:
IMA1970-037
Other Languages:
German:Mpororoit
Spanish:Mpororoita

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 Mpororoite

Reference List:

- +
American Mineralogist (1973): 58: 1112.

Mineralogical Record: 12: 83.

Mineralogical Magazine (1984): 48: 398.

American Mineralogist (1985): 70: 1334-1335.

Shimobayashi, N., Ohnishi, M., Tsuruta, K. (2012) Secondary tungsten minerals in quartz veins in the Ishidera area, Wazuka, Kyoto Prefecture, Japan: anthoinite, mpororoite, and Fe-free hydrokenoelsmoreite. Journal of Mineralogical and Petrological Sciences, 107, No. 1 (February), 33-38.

Internet Links for Mpororoite

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    • Localities for Mpororoite

    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.
    Hide Locality List
    (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.
    Australia
     
    • Tasmania
      • Hampshire district
        • Kara Mines
    		Whitehead, 1990; Ralph Bottrill 6/10/2005.
    Canada
     
    • Yukon Territory
      • Mayo Mining District
        • Mayo
          • Kalzas Mt
    		J.W. Anthony, R.A. Bideaux, K.W. Bladh, M.C. Nichols: Handbook of Mineralogy, Vol. III (1997)
    Japan
     
    • Honshu Island
      • Kinki Region
        • Kyoto Prefecture
          • Sohraku-gun
            • Wazuka-cho
    		SHIMOBAYASHI, N., OHNISHI, M., and TSURUTA, K. (2012) Secondary tungsten minerals in quartz veins in the Ishidera area, Wazuka, Kyoto Prefecture, Japan: anthoinite, mpororoite, and Fe-free hydrokenoelsmoreite. Journal of Mineralogical and Petrological Sciences, 107, No. 1 (February), 33-38.
    Uganda
     
    • Kigezi District
      • Kisoro
    		O. von Knorring, T.G. Sahama, M. Lehtinen: Bull. Geol. Soc. Finland 44:107-110 (1972); Amer. Mineral. 58:1112 (1973)
    UK
     
    • England
      • Cornwall
        • Callington District
          • Calstock
            • Gunnislake
    		Golley, P., and Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.; Weiss, S., Green, D.H., Hooper, J.J., and Elton, N. (2007): Lapis 32(11), 13-25
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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