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Quenselite

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Långban, Filipstad, Värmland, Sweden
© Knut Eldjarn

Show Quenselite Photos (6)
Formula:
PbMnO
 
2
(OH)
System:MonoclinicColour:Black
Hardness:2½
Name:Named after Percy Dudgeon Quensel (1881-1966), Professor of Mineralogy, University of Stockholm, Sweden.
This page provides mineralogical data about Quenselite.

Classification of Quenselite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:4/F.14-10
Nickel-Strunz 10th (pending) edition ID:4.FE.30

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
E : Hydroxides with OH, without H2O; sheets of edge-sharing octahedra
Dana 8th edition ID:6.4.1.2

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
4 : Miscellaneous
Hey's CIM Ref.:7.11.29

7 : Oxides and Hydroxides
11 : Oxides of Sn and Pb
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Type Occurrence of Quenselite

Type Locality:Långban, Filipstad, Värmland, Sweden
Year of Discovery:1925
Geological Setting of type material:Metamorphosed manganese deposit.

Physical Properties of Quenselite

Lustre:Adamantine, Metallic
Diaphaneity (Transparency):Translucent, Opaque
Colour:Black
Streak:Dark brownish gray
Hardness (Mohs):2½
Hardness (Vickers):VHN100=0171 - 268 kg/mm2
Tenacity:Flexible
Cleavage:Perfect
on {001} - micaceous
Comment:Somewhat malleable
Density (measured):6.84 g/cm3
Density (calculated):7.133 g/cm3

Crystallography of Quenselite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P2/b {P1 1 2/b} {P2/c} {P1 2/c 1}{P2/a}
Cell Parameters:a = 5.61Å, b = 5.70Å, c = 9.15Å
β = 93°
Ratio:a:b:c = 0.984 : 1 : 1.605
Unit Cell Volume:V 292.19 ų (Calculated from Unit Cell)
Z:4
Morphology:Crystals tabular {010}; also slightly elongated [001] or [100]. Striated on {011} parallel to [100].

Optical Data of Quenselite

Type:Biaxial (+)
RI values: nα = 2.300
Maximum Birefringence:δ = 2.300

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Type:Anisotropic
Anisotropism:Strong
Dispersion:r > v

Chemical Properties of Quenselite

Formula:
PbMnO
 
2
(OH)
Essential elements:H, Mn, O, Pb
All elements listed in formula:H, Mn, O, Pb

Relationship of Quenselite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.FE.05Amakinite
(Fe
2+
 
,Mg)(OH)
 
2
4.FE.05Brucite
Mg(OH)
 
2
4.FE.05Portlandite
Ca(OH)
 
2
4.FE.05Pyrochroite
Mn(OH)
 
2
4.FE.05Theophrastite
Ni(OH)
 
2
4.FE.10Bayerite
Al(OH)
 
3
4.FE.10Doyleite
Al(OH)
 
3
4.FE.10Gibbsite
Al(OH)
 
3
4.FE.10Nordstrandite
Al(OH)
 
3
4.FE.15Böhmite
AlO(OH)
4.FE.15Lepidocrocite
γ-Fe
3+
 
O(OH)
4.FE.20Grimaldiite
CrO(OH)
4.FE.20Heterogenite
CoO(OH)
4.FE.25Feitknechtite
Mn
3+
 
O(OH)
4.FE.25Lithiophorite
(Al,Li)MnO
 
2
(OH)
 
2
4.FE.35Ferrihydrite
Fe
 
5
O
 
3
(OH)
 
9
4.FE.40Feroxyhyte
Fe
3+
 
O(OH)
4.FE.40Vernadite
(Mn
4+
 
,Fe
3+
 
,Ca,Na)(O,OH)
 
2
 · nH
 
2
O
4.FE.45Quetzalcoatlite
Zn
 
6
Cu
 
3
(TeO
 
6
)
 
2
(OH)
 
6
·Ag
 
x
Pb
 
y
Cl
 
x+2y
Related Minerals - Hey's Index Grouping:

- +
7.11.1Romarchite
SnO
7.11.2Cassiterite
SnO
 
2
7.11.4Schoenfliesite
Mg[Sn(OH)
 
6
]
7.11.5Burtite
Ca[Sn(OH)
 
6
]
7.11.6Vismirnovite
Zn[Sn(OH)
 
6
]
7.11.7Wickmanite
Mn
2+
 
[Sn(OH)
 
6
]
7.11.8Tetrawickmanite
Mn
2+
 
[Sn
4+
 
(OH)
 
6
]
7.11.9Jeanbandyite
(Fe
2+
 
,Mn
2+
 
)[Sn
4+
 
(OH)
 
6
]
7.11.10Natanite
Fe
2+
 
[Sn(OH)
 
6
]
7.11.11Mushistonite
(Cu,Zn,Fe
2+
 
)[Sn(OH)
 
6
]
7.11.12Ferronigerite-2N1S
Sn(Fe,Mg)Al
 
6
O
 
11
(OH)
7.11.13Magnesionigerite
7.11.14Argutite
GeO
 
2
7.11.15Brunogeierite
(Ge,Fe)Fe
 
2
O
 
4
7.11.16Stottite
Fe
2+
 
[Ge
4+
 
(OH)
 
6
]
7.11.17Carboirite
FeAl
 
2
GeO
 
5
(OH)
 
2
7.11.18Otjisumeite
PbGe
 
4
O
 
9
7.11.19Bartelkeite
PbFe
2+
 
Ge
 
3
O
 
8
7.11.20Massicot
PbO
7.11.21Litharge
PbO
7.11.22Minium
Pb
 
3
O
 
4
7.11.23Plattnerite
PbO
 
2
7.11.24Scrutinyite
alpha-PbO
 
2
7.11.25Murdochite
PbCu
 
6
O
 
8-x
(Cl,Br)
 
2x
 x<=0.5
7.11.26Macedonite
PbTiO
 
3
7.11.27Cesàrolite
PbH
 
2
Mn
 
3
O
 
8
7.11.28Coronadite
Pb(Mn,Mn)
 
8
O
 
16
7.11.30Plumboferrite
Pb
 
2
Fe
3+
11-x
Mn
2+
x
O
 
19-2x
, x = 1/3
7.11.31Magnetoplumbite
(Pb,Mn)(Fe,Mn)
 
12
O
 
19
7.11.32Senaite
Pb(Ti,Fe,Mn)
 
21
O
 
38

Other Names for Quenselite

Other Languages:
German:Quenselit
Russian:Квенселит
Spanish:Quenselita

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 Quenselite

Reference List:Flink (1925), Geol. För. Förh.: 47: 377.

Orcel and Pavlovitch (1931), Bull. soc. min.: 54: 155.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 729-730.

Zeitschrift für Kristallographie: 134: 321-332.

Internet Links for Quenselite

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    Localities for Quenselite

    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.
    China
     
    • Shandong Province
      • Linyi Prefecture
        • Yimeng Mts (Yimeng Shan)
          • Mengyin Co.
            • Mengyin Kimberlite field
              • Changma Kimberlite belt
                • Wangcun deposit
    		Gorshkov, A.I., Titkov, S.V., Yan Nan Bao, Ryabchikov, I.D., and Magazina, L.O. (2006): Geology of Ore Deposits 48(4), 326-334.
    Japan
     
    • Honshu Island
      • Tohoku Region
        • Yamagata Prefecture
    		Nambu & Yoshida (1993) Abstract of the Meeting of three Mineralogical Societies of Japan, 53.
    Sweden
     
    • Värmland
      • Filipstad
    		Zeitschrift für Kristallographie, 134, 321 (1971); Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
    USA
     
    • Utah
      • Utah Co.
        • East Tintic Mts
          • East Tintic District
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    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 21:49:56