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Ingersonite

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Långban, Filipstad, Värmland, Sweden
© Kjell Gatedal




Formula:
Ca
 
3
MnSb
 
4
O
 
14
System:TrigonalHardness:6½
This page provides mineralogical data about Ingersonite.

Classification of Ingersonite

IMA status:Approved
Strunz 8th edition ID:4/C.12-10
Nickel-Strunz 10th (pending) edition ID:4.DH.40

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
H : With large (+- medium-sized) cations; sheets of edge-sharing octahedra
Dana 8th edition ID:44.1.2.1

44 : ANTIMONATES
1 : A2X2O6(O,OH,F)
Hey's CIM Ref.:24.4.1

24 : Antimonates and Antimonites
4 : Antimonates and antimonites of Mn and Fe
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Type Occurrence of Ingersonite

Type Locality:Långban, Filipstad, Värmland, Sweden
Year of Discovery:1988

Physical Properties of Ingersonite

Hardness (Mohs):6½

Crystallography of Ingersonite

Crystal System:Trigonal
Class (H-M):3 2 - Trapezohedral
Space Group:P31 2 1
Cell Parameters:a = 7.282(2) Å, c = 17.604(4) Å
Ratio:a:c = 1 : 2.417
Unit Cell Volume:V 808.4 ų

Optical Data of Ingersonite

Type:Uniaxial (-)
RI values: nω = 1.930 nε = 1.910 - 1.920
Maximum Birefringence:δ = 0.020

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High

Chemical Properties of Ingersonite

Formula:
Ca
 
3
MnSb
 
4
O
 
14
Essential elements:Ca, Mn, O, Sb
All elements listed in formula:Ca, Mn, O, Sb

Relationship of Ingersonite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.DH.05Brannerite
(U
4+
 
,REE,Th,Ca)(Ti,Fe
3+
 
,Nb)
 
2
(O,OH)
 
6
4.DH.05Orthobrannerite
U
4+
 
U
6+
 
Ti
 
4
O
 
12
(OH)
 
2
4.DH.05Thorutite
(Th,U,Ca)Ti
 
2
(O,OH)
 
6
4.DH.10Kassite
CaTi
 
2
O
 
4
(OH)
 
2
4.DH.10Lucasite-(Ce)
CeTi
 
2
(O,OH)
 
6
4.DH.15Bariomicrolite (of Hogarth 1977)
4.DH.15Bariopyrochlore (of Hogarth 1977)
4.DH.15Betafite (of Hogarth 1977)
4.DH.15Bismutomicrolite (of Hogarth 1977)
4.DH.15Calciobetafite (of Mazzi & Munno)
4.DH.15Ceriopyrochlore (of Hogarth 1977)
4.DH.15Cesstibtantite
4.DH.15Jixianite
Pb(W,Fe
3+
 
)
 
2
(O,OH)
 
7
4.DH.15Hydropyrochlore
(H
 
2
O,□)
 
2
Nb
 
2
(O,OH)
 
6
(H
 
2
O)
4.DH.15Natrobistantite
4.DH.15Plumbopyrochlore (of Skorobogatova et al)
4.DH.15Plumbomicrolite (of Hogarth 1977)
4.DH.15Plumbobetafite (of Hogarth 1977)
4.DH.15Stibiomicrolite (of Groat et al)
4.DH.15Strontiopyrochlore (of Hogarth 1977)
4.DH.15Stannomicrolite (of Hogarth 1977)
4.DH.15Stibiobetafite (of Černý et al)
4.DH.15Uranpyrochlore
(U,Ca,Ce)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
4.DH.15Yttrobetafite (of Hogarth 1977)
4.DH.15Yttropyrochlore (of Hogarth 1977)
4.DH.15Fluornatromicrolite
(Na,Ca,Bi)
 
2
Ta
 
2
O
 
6
F
4.DH.15Bismutopyrochlore (of Chukanov et al)
4.DH.15Hydrokenoelsmoreite
◻
 
2
W
 
2
O
 
6
(H
 
2
O)
4.DH.20Bismutostibiconite
Bi(Sb
5+
 
,Fe
3+
 
)
 
2
O
 
7
4.DH.20Oxyplumboroméite
Pb
 
2
Sb
 
2
O
 
6
O
4.DH.20Monimolite
4.DH.20Cuproroméite
Cu
 
2
Sb
 
2
(O,OH)
 
7
4.DH.20Stetefeldtite
Ag
 
2
Sb
 
2
(O,OH)
 
7
4.DH.20Stibiconite
4.DH.25Rosiaite
PbSb
5+
2
O
 
6
4.DH.30Zirconolite
CaZrTi
 
2
O
 
7
4.DH.35Liandratite
U(Nb,Ta)
 
2
O
 
8
4.DH.35Petscheckite
UFe(Nb,Ta)
 
2
O
 
8
4.DH.45Pittongite
Na
 
0.22
(W,Fe
3+
 
)(O,OH)
 
3
 · 0.44H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
24.4.2Manganostibite
(Mn,Fe)
 
7
SbAsO
 
12
24.4.3Tripuhyite
Fe
3+
 
Sb
5+
 
O
 
4
24.4.5Schafarzikite
Fe
2+
 
Sb
3+
2
O
 
4

Other Names for Ingersonite

Synonyms:
IMA1986-021Ingersonite (of Dunn et al.)
Other Languages:
German:Ingersonit
Spanish:Ingersonita

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 Ingersonite

Reference List:

- +
American Mineralogist: 73: 405-412.

PAOLA BONAZZI AND LUCA BINDI (2007) The crystal structure of ingersonite, Ca3Mn2+Sb45+O14, and its relationships with pyrochlore. American Mineralogist, Volume 92, pages 947-953

Internet Links for Ingersonite

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    • Localities for Ingersonite

    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.
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    (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.
    Sweden
     
    • Värmland
      • Filipstad
    		Amer.Min.(1988) 73, 405-412; 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.
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