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Mpororoite

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

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Formula:
AlWO
 
3
(OH)
 
3
·2H
 
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)

Chemical Properties of Mpororoite

Formula:
AlWO
 
3
(OH)
 
3
·2H
 
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
[OH|MoO
 
4
]
 
2
7.GB.10Szenicsite
Cu
 
3
(MoO
 
4
)(OH)
 
4
7.GB.15Cuprotungstite
Cu
 
2
[(OH)
 
2
|WO
 
4
]
7.GB.15UM1999-38-WO:CrV
V, Cr, W, O, H [V:Cr:W ratio about· 2:1:3]
7.GB.20Phyllotungstite
Ca
 
x
[(W,Fe)(O,OH)
 
3
]·yH
 
2
O
7.GB.25Rankachite
(V
4+
 
,V
5+
 
)(W
6+
 
,Fe
3+
 
)
 
2
O
 
8
(OH)•(Ca
 
x
H
 
2
O
 
y
) with x ~ 0.5, y ~ 2.
7.GB.30Ferrimolybdite
Fe
 
2
[MoO
 
4
]
 
3
 · nH
 
2
O
7.GB.35Anthoinite
WAlO
 
3
(OH)
 
3
 (?)
7.GB.40Obradovicite
H
 
4
(K,Na)CuFe
 
2
AsO
 
4
(MoO
 
4
)
 
5
·12H
 
2
O
7.GB.45Mendozavilite
Na(Ca,Mg)
 
2
[Fe
 
6
(PO
 
4
)
 
2
(PMo
 
11
O
 
39
)(OH,Cl)
 
10
]·33H
 
2
O
7.GB.45Paramendozavilite
NaAl
 
4
[Fe
 
7
(PO
 
4
)
 
5
(PMo
 
12
O
 
40
)(OH)
 
16
]·56H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
27.4.1Cuprotungstite
Cu
 
2
[(OH)
 
2
|WO
 
4
]
27.4.2Scheelite
Ca[WO
 
4
]
27.4.4Anthoinite
WAlO
 
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
PbWO
 
4
27.4.10Russellite
(BiO)
 
2
[WO
 
4
]
27.4.11Pinalite
Pb
 
3
WO
 
5
Cl
 
2
27.4.12Uranotungstite
(Fe
2+
 
,Ba,Pb)(UO
 
2
)
 
2
[(OH)
 
4
|WO
 
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
(W,Fe
3+
 
)(O,OH)
 
3
27.4.17Phyllotungstite
Ca
 
x
[(W,Fe)(O,OH)
 
3
]·yH
 
2
O
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.


Internet Links for Mpororoite

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    Localities for Mpororoite

    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.
    Australia
     
    • Tasmania
      • Hampshire district
        • Kara Mines
    		Whitehead, 1990; Ralph Bottril 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)
    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
          • Gunnislake Area
    		Weiss, S., Green, D.H., Hooper, J.J. & Elton, N. (2007): Erzgänge und "alpine " klüfte: Die Mineralien des Hingston Quarry, Calstock, Cornwall. LAPIS 32 (11), 13-25
    Mineral and/or Locality
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