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Coulsonite

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Formula:
Fe
2+
 
V
3+
2
O
 
4
Hardness:4½ - 5
Member of:Spinel Group
Name:After Dr. Arthur Lennox Coulson, Geological Survey of India.


Initially described from Bihar, India in 1936 as vanado-magnetite, renamed the following year as coulsonite (these specimens contain up to 4.84% vanadium). Species was redefined in 1962 on Nevada material.

Classification of Coulsonite

IMA status:Approved
Strunz 8th edition ID:4/B.04-20
Nickel-Strunz 10th (pending) edition ID:4.BB.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
B : With only medium-sized cations
Dana 8th edition ID:7.2.4.2

7 : MULTIPLE OXIDES
2 : AB2X4
Hey's CIM Ref.:7.12.19

7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta
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Type Occurrence of Coulsonite

Type Locality:Buena Vista Iron Mine, Mineral Basin District, Churchill Co., Nevada, USA
Year of Discovery:1962

Physical Properties of Coulsonite

Hardness (Mohs):4½ - 5

Chemical Properties of Coulsonite

Formula:
Fe
2+
 
V
3+
2
O
 
4
Simplified for copy/paste:Fe2+V3+2O4
Essential elements:Fe, O, V
All elements listed in formula:Fe, O, V

Relationship of Coulsonite to other Species

Member of:Spinel Group
Other Members of Group:

- +
Chromite
Fe
2+
 
Cr
3+
2
O
 
4
Cochromite
(Co,Ni,Fe)(Cr,Al)
 
2
O
 
4
Cuprospinel
Cu
2+
 
Fe
3+
2
O
 
4
Filipstadite
(Mn,Mg)
 
2
(Sb
 
.5
Fe
 
.5
)O
 
4
Franklinite
Zn
2+
 
Fe
3+
2
O
 
4
Gahnite
ZnAl
 
2
O
 
4
Galaxite
(Mn,Fe,Mg)(Al,Fe)
 
2
O
 
4
Hercynite
Fe
2+
 
Al
 
2
O
 
4
Jacobsite
Mn
2+
 
Fe
3+
2
O
 
4
Magnesiochromite
Mg(Cr,Al,Fe)
 
2
O
 
4
Magnesiocoulsonite
MgV
 
2
O
 
4
Magnesioferrite
MgFe
3+
2
O
 
4
Magnetite
Fe
2+
 
Fe
3+
2
O
 
4
Manganochromite
(Mn,Fe)(Cr,V)
 
2
O
 
4
Nichromite
(Ni,Co,Fe)(Cr,Fe,Al)
 
2
O
 
4
Qandilite
(Mg,Fe)
 
2
(Ti,Fe,Al)O
 
4
Spinel
MgAl
 
2
O
 
4
Trevorite
Ni
2+
 
Fe
3+
2
O
 
4
Ulvöspinel
Fe
 
2
TiO
 
4
Vuorelainenite
(Mn,Fe)(V,Cr)
 
2
O
 
4
Zincochromite
ZnCr
 
2
O
 
4
Related Minerals - Nickel-Strunz Grouping):

- +
4.BB.05Chromite
Fe
2+
 
Cr
3+
2
O
 
4
4.BB.05Cochromite
(Co,Ni,Fe)(Cr,Al)
 
2
O
 
4
4.BB.05Cuprospinel
Cu
2+
 
Fe
3+
2
O
 
4
4.BB.05Filipstadite
(Mn,Mg)
 
2
(Sb
 
.5
Fe
 
.5
)O
 
4
4.BB.05Franklinite
Zn
2+
 
Fe
3+
2
O
 
4
4.BB.05Gahnite
ZnAl
 
2
O
 
4
4.BB.05Galaxite
(Mn,Fe,Mg)(Al,Fe)
 
2
O
 
4
4.BB.05Hercynite
Fe
2+
 
Al
 
2
O
 
4
4.BB.05Jacobsite
Mn
2+
 
Fe
3+
2
O
 
4
4.BB.05Manganochromite
(Mn,Fe)(Cr,V)
 
2
O
 
4
4.BB.05Magnesiocoulsonite
MgV
 
2
O
 
4
4.BB.05Magnesiochromite
Mg(Cr,Al,Fe)
 
2
O
 
4
4.BB.05Magnesioferrite
MgFe
3+
2
O
 
4
4.BB.05Magnetite
Fe
2+
 
Fe
3+
2
O
 
4
4.BB.05Nichromite
(Ni,Co,Fe)(Cr,Fe,Al)
 
2
O
 
4
4.BB.05Qandilite
(Mg,Fe)
 
2
(Ti,Fe,Al)O
 
4
4.BB.05Spinel
MgAl
 
2
O
 
4
4.BB.05Trevorite
Ni
2+
 
Fe
3+
2
O
 
4
4.BB.05Ulvöspinel
Fe
 
2
TiO
 
4
4.BB.05Vuorelainenite
(Mn,Fe)(V,Cr)
 
2
O
 
4
4.BB.05Zincochromite
ZnCr
 
2
O
 
4
4.BB.10Hausmannite
MnMn
 
2
O
 
4
4.BB.10Hetaerolite
ZnMn
 
2
O
 
4
4.BB.10Hydrohetaerolite
ZnMn
 
2
O
 
4
· H
 
2
O
4.BB.10Iwakiite
Mn(Fe,Mn)
 
2
O
 
4
4.BB.15Maghemite
Fe
3+
2
O
 
3
4.BB.15Titanomaghemite
Fe
3+
 
(Fe
3+
 
,Ti
4+
 
,Fe
2+
 
,◻)
 
2
O
 
4
4.BB.20Tegengrenite
(Mg,Mn
2+
 
)
 
2
Sb
5+
0.5
(Mn
3+
 
,Si,Ti)
 
0.5
O
 
4
4.BB.25Xieite
Fe
2+
 
Cr
 
2
O
 
4
Related Minerals - Hey's Index Grouping:

- +
7.12.1Montroseite
(V
3+
 
,Fe
3+
 
)O(OH)
7.12.2 Scherbinaite
7.12.3Paramontroseite
V
4+
 
O
 
2
7.12.4Häggite
V
3+
 
V
4+
 
O
 
2
(OH)
 
3
7.12.5Duttonite
V
4+
 
O(OH)
 
2
7.12.6Doloresite
V
4+
3
O
 
4
(OH)
 
4
7.12.7Lenoblite
V
4+
2
O
 
4
· 2H
 
2
O
7.12.8Navajoite
Fe
3+
 
V
5+
9
O
 
24
· 12H
 
2
O
7.12.9Vanoxite
V
4+
4
V
5+
2
O
 
13
· 8H
 
2
O
7.12.10Bariandite
Al
 
0.6
(V
5+
 
,V
4+
 
)
 
8
O
 
20
· 9H
 
2
O
7.12.11Corvusite
(Na,K,Ca,Mg)
 
2
(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
8
O
 
20
· 6-10H
 
2
O
7.12.12Simplotite
CaV
4+
4
O
 
9
· 5H
 
2
O
7.12.13Kyzylkumite
Ti
 
2
V
3+
 
O
 
5
(OH)
7.12.14Schreyerite
V
3+
2
Ti
 
3
O
 
9
7.12.15Berdesinskiite
V
3+
2
TiO
 
5
7.12.16Tivanite
V
3+
 
TiO
 
3
(OH)
7.12.17Mannardite
Ba(Ti
4+
6
V
3+
2
)O
 
16
7.12.18Karelianite
V
3+
2
O
 
3
7.12.20Nolanite
(V
3+
 
,Fe
3+
 
,Fe
2+
 
,Ti)
 
10
O
 
14
(OH)
 
2
7.12.21Vuorelainenite
(Mn,Fe)(V,Cr)
 
2
O
 
4
7.12.22Tantite
Ta
 
2
O
 
5
7.12.23Kimrobinsonite
(Ta,Nb)(OH)
 
5-2x
(O,CO
 
3
)
 
x
; x near 1.2

Other Names for Coulsonite

Other Languages:
German:Coulsonit
Russian:Кулсонит
Simplified Chinese:钒磁铁矿
Spanish:Coulsonita

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 Coulsonite

Reference List:

- +
Dunn (1937), Geological Survey of India, mem.: 49: 21.

Dunn and Dey (1937), Mining Geol. Institute of India, Transactions: 31: 131.

Initially described from Bihar, India in 1936 as vanado-magnetite, renamed the following year as coulsonite (these specimens contain up to 4.84% vanadium). Species was redefined in 1962 on Nevada material: 702.

Radtke, A. S. (1962) American Mineralogist: 47, 1284-1291.

Internet Links for Coulsonite

Search Engines:
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  • External Links:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Coulsonite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
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  • Localities for Coulsonite

    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.
    Finland
     
    • Northern Finland Region
      • Vihanti
    Sergeeva, N. E., Eremin, N. I., & Dergachev, A. L. (2011, February). Vanadium mineralization in ore of the Vihanti massive sulfide base-metal deposit, Finland. In Doklady Earth Sciences (Vol. 436, No. 2, pp. 210-212). SP MAIK Nauka/Interperiodica.
    India
     
    Am Min 47 (1962), 1284
    Kazakhstan
     
    • Pavlodar Province (Pavlodar Oblysy; Pavlodarskaya Oblast')
    Brearley, A. J. & Jones, R. H. (1998). Chondritic Meteorites. In: Planetary Materials (Papike, J. J., Editor): Chapter 3, 398 pages. Mineralogical Society of America: Washington, DC, USA. (1998)
    Russia
     
    • Far-Eastern Region
      • Amurskaya Oblast'
        • Dambuki ore cluster
    Pavel M. Kartashov analytical data
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
            • Lovchorr Mt
    Karpov S.M., Voloshin A.V., Savchenko E.E., Selivanova E.A., Polekhovskii Yu.S. (2012) coulsonite in pyrrhotite gorge deposit (Kola peninsula): the first find in Russia, - Doklady RAN, 445/2, p. 1-3 (in Russ.)
    Spain
     
    • Catalonia
      • Tarragona
        • Conca de Barberà
          • Vimbodí
            • Poblet Monastery
    C.. Canet et al. , The Canadian Mineralogist, 2003, V41, pp. 581-595
    C.. Canet et al. , The Canadian Mineralogist, 2003, V41, pp. 581-595
    C.. Canet et al. , The Canadian Mineralogist, 2003, V41, pp. 581-595
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
        • Imfeld (Im Feld; Feld; Fäld)
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 123.
    USA
     
    • Alaska
      • Yukon-Koyukuk Borough
        • Innoko District
    U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    • California
      • Fresno Co.
        • Diablo Range
          • New Idria District
            • Archer Camp
    Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 152.
    • Nevada
      • Churchill Co.
        • Mineral Basin District
    Am Min 47:1284-1291
      • Pershing Co.
        • Mineral Basin District
    NBMG Spec. Pub. 31 Minerals of Nevada
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