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Varlamoffite

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Big Photo

Cligga Head, Perranzabuloe, St Agnes District, Cornwall, England, UK
© Ian Jones

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Formula:
(Sn,Fe)(O,OH)
 
2
Colour:YellowHardness:6 - 6½
Name:Named after N. Varlamoff.


Previously considered a variety of Cassiterite - probably not.

Classification of Varlamoffite

IMA status:Questionable/Doubtful
Strunz 8th edition ID:4/F.18-10
Nickel-Strunz 10th (pending) edition ID:4.DB.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
B : With medium-sized cations; chains of edge-sharing octahedra
Dana 8th edition ID:4.4.2.1

4 : SIMPLE OXIDES
4 : AX2
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Type Occurrence of Varlamoffite

Type Locality:Kalima, Maniema, Democratic Republic of Congo (Zaïre)

Physical Properties of Varlamoffite

Lustre:Waxy, Earthy
Colour:Yellow
Streak:Light yellow
Hardness (Mohs):6 - 6½

Chemical Properties of Varlamoffite

Formula:
(Sn,Fe)(O,OH)
 
2
Essential elements:O, Sn
All elements listed in formula:Fe, H, O, Sn

Relationship of Varlamoffite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.DB.05Argutite
GeO
 
2
4.DB.05Cassiterite
SnO
 
2
4.DB.05Plattnerite
PbO
 
2
4.DB.05Pyrolusite
MnO
 
2
4.DB.05Rutile
TiO
 
2
4.DB.05Tripuhyite
Fe
3+
 
Sb
5+
 
O
 
4
4.DB.05Tugarinovite
MoO
 
2
4.DB.10Byströmite
MgSb
 
2
O
 
6
4.DB.10Tapiolite-(Fe)
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
4.DB.10Tapiolite-(Mn)
(Mn,Fe)(Ta,Nb)
 
2
O
 
6
4.DB.10Ordoñezite
ZnSb
 
2
O
 
6
4.DB.15bAkhtenskite
ε-Mn
4+
 
O
 
2
4.DB.15cNsutite
(Mn
4+
 
,Mn
2+
 
)(O,OH)
 
2
4.DB.15aParamontroseite
V
4+
 
O
 
2
4.DB.15aRamsdellite
Mn
4+
 
O
 
2
4.DB.20Scrutinyite
alpha-PbO
 
2
4.DB.25Ishikawaite
U
4+
 
Fe
2+
 
Nb
 
2
O
 
8
4.DB.25Ixiolite
(Ta,Nb,Sn,Fe,Mn)
 
4
O
 
8
4.DB.25Samarskite-(Y)
(Y,Fe
3+
 
,Fe
2+
 
,U,Th,Ca)
 
2
(Nb,Ta)
 
2
O
 
8
4.DB.25Srilankite
ZrTi
 
2
O
 
6
4.DB.25Yttrocolumbite-(Y)
Y(U
4+
 
,Fe
2+
 
)Nb
 
2
O
 
8
4.DB.25Calciosamarskite
(Ca,Fe
3+
 
,Y)
 
2
(Nb,Ta,Ti)
 
2
O
 
8
4.DB.25Samarskite-(Yb)
(Yb,Fe
3+
 
)
 
2
(Nb,Ta)
 
2
O
 
8
4.DB.30Ferberite
FeWO
 
4
4.DB.30Hübnerite
MnWO
 
4
4.DB.30Sanmartinite
(Zn,Fe)WO
 
4
4.DB.30Krasnoselskite
CoWO
 
4
4.DB.30Heftetjernite
ScTaO
 
4
4.DB.30Huanzalaite
MgWO
 
4
4.DB.35Columbite-(Fe)
FeNb
 
2
O
 
6
4.DB.35Tantalite-(Fe)
FeTa
 
2
O
 
6
4.DB.35Columbite-(Mn)
(Mn,Fe)(Nb,Ta)
 
2
O
 
6
4.DB.35Tantalite-(Mn)
MnTa
 
2
O
 
6
4.DB.35Columbite-(Mg)
(Mg,Fe,Mn)(Nb,Ta)
 
2
O
 
6
4.DB.35Qitianlingite
(Fe,Mn)
 
2
(Nb,Ta)
 
2
WO
 
10
4.DB.35Magnocolumbite
4.DB.35Tantalite-(Mg)
(Mg,Fe
2+
 
)(Ta,Nb)
 
2
O
 
6
4.DB.40Ferrowodginite
FeSnTa
 
2
O
 
8
4.DB.40Lithiotantite
Li(Ta,Nb)
 
3
O
 
8
4.DB.40Lithiowodginite
LiTa
 
3
O
 
8
4.DB.40Titanowodginite
MnTiTa
 
2
O
 
8
4.DB.40Wodginite
Mn(Sn,Ta)Ta
 
2
O
 
8
4.DB.40Ferrotitanowodginite
Fe
2+
 
TiTa
 
2
O
 
8
4.DB.40Wolframowodginite
Mn(Mn,Sn,Fe,Ta)(W,Ta,Nb)
 
2
O
 
8
4.DB.45Tivanite
V
3+
 
TiO
 
3
(OH)
4.DB.50Carmichaelite
(Ti,Cr,Fe)[O
 
2-x
(OH)
 
x
]
4.DB.55Alumotantite
AlTaO
 
4
4.DB.60Biehlite
((Sb,As)O)
 
2
[MoO
 
4
]

Other Names for Varlamoffite

Synonyms:
Souxite
Other Languages:
German:Souxit
Varlamoffit
Simplified Chinese:水锡石
Spanish:Souxita
Varlamoffita

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 Varlamoffite

Reference List:

- +
American Mineralogist (1949): 34: 618.

Mineralogicheskii Zhurnal, Kiev (1993): 15: 94-101.

American Mineralogist (1995): 80: 850.

Internet Links for Varlamoffite

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    • Localities for Varlamoffite

    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.
    Algeria
     
    • Tamanghasset Province
      • Ahaggar Mts (Hoggar Mts)
    Austria
     
    • Upper Austria
      • Linz
        • St Georgen an der Gusen
    		Brandstetter, G. & M. Reich (1998): Luftenberg - eine bedeutende Pegmatitmineralisation in Oberösterreich. OÖ. Geonachr. 13, 11-25
    Bolivia
     
    • Oruro Department
      • Poopó Province
        • Pazña
          • Monserrat-Antequera district
    		Kempff, O., Paar, W.H., Tawackoli, S.: "Minerales de Bolivia", 115pp (La Paz, 2009)
    Kempff, O., Paar, W.H., Tawackoli, S.: "Minerales de Bolivia", 115pp (La Paz, 2009)
    • Potosí Department
      • Potosí City
    		No reference listed
      • Sud Chichas Province
        • Atocha-Quechisla District
          • Cerro Chorolque
    		Salomon Rivas y Federico Ahlfeld (1998) Los Minerales de Bolivia y sus Parajes. (Santa Cruz)
    China
     
    • Guangdong Province
      • Heyuan Prefecture
        • Lianping Co.
    		Lianshun Feng (1986): Geology and Prospecting 22(3), 21-27
      • Shaoguan Prefecture
        • Lechang Co.
    		Yile Xu and Zuoyou Hu (1985): Geology and Prospecting 21(4), 25-27
    • Inner Mongolia Autonomous Region
      • Ulanhad League (Chifeng Prefecture)
        • Hexigten Banner (Keshiketeng Co.)
    		USGS Open-File Report 03-220
    • Yunnan Province
      • Honghe Autonomous Prefecture
        • Gejiu Co.
          • Gejiu Sn-polymetallic ore field
            • Eastern Sub-district
    		Mingxiu Wei (1985): Geochimica 15(1), 37-44
            • Western Sub-district
    		Chen, J., Halls, C., and Stanley, C.J. (1992): Chinese Journal of Geochemistry 11(2), 140-155.
      • Wenshan Autonomous Prefecture
        • Maguan Co.
          • Dulong ore field
    		Kaiji Yu (1984): Geology and Prospecting 20(11), 1-8
    Kaiji Yu (1984): Geology and Prospecting 20(11), 1-8
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Horní Slavkov (Schlaggenwald)
          • Krásno (Schönfeld)
    		Sejkora, J. & Tvrdý, J. (2009): Seltene und neue Mineralien aus den Zinnlagerstätten des Erzreviers Horni Slavkov. Lapis 34 (7-8), 53-62; 70 (in German).
    Sejkora, J. & Tvrdý, J. (2009): Seltene und neue Mineralien aus den Zinnlagerstätten des Erzreviers Horni Slavkov. Lapis 34 (7-8), 53-62; 70 (in German).
    Democratic Republic of Congo (Zaïre)
     
    • Kivu
    • Maniema
    		[Clark, 1993 - "Hey's Mineral Index"]
    France
     
    • Auvergne
      • Allier
        • Ébreuil
          • Échassières
    		G. Aubert : "Les coupoles granitiques de Montebras et d'Echassières (Massif Central Français) et la genèse de leur minéralisations (BRGM, 1969)
    • Limousin
      • Creuse
        • Soumans
          • Montebras
    		Patrice Queneau Collection
      • Haute-Vienne
        • Nantiat
          • Vaulry
    		P. Devismes : "Atlas photographique des minéraux d'alluvions", BRGM, 1978.
    • Pays de Loire
      • Loire-Atlantique
        • Nozay
    		P. Devismes : "Atlas photographique des minéraux d'alluvions", BRGM, 1978.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		BLAß, G. & GRAF, H. W. (1996): Neue Mineralienfunde aus dem Siegerland und von der Grube Clara im Schwarzwald. - Mineralien-Welt 7 (4), 14-16 (in German); WALENTA, K. (1997): Neue Mineralfunde von der Grube Clara 7. Folge. - Lapis 22 (11), 37-47. (in German)
    Japan
     
    • Honshu Island
      • Kinki Region
        • Kyoto Prefecture
          • Kameoka City
    		Matsubara, S. (2002) Catalogue of Japanese Minerals (National Science Museum)
    • Kyushu Region
      • Oita Prefecture
        • Ono-gun
    		University of Tokyo collection
    Kyrgyzstan
     
    • Issyk-Kul'skaya Oblast
      • Inyl'chek Range
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Mongolia
     
    • Dornogovi Aimag
      • Modotin
    		Petr Paulis, Die Zinn-Wolfram Lagerstätte Modoto (Bajan Mod) in der Mongolei, Mineralien Welt 6/95 p47-55
    Morocco
     
    • Meknès-Tafilalet Region
      • Meknès Prefecture
        • Meknès
          • El Hammam (El Hamman)
    		Ph. M. Sonnet : "Burtite, Calcium Hexahydrostannate, a New Mineral from El Hamman, Central Morocco", Canadian Mineralogist, Vol. 19, 1981, pp. 397-401.
    Econ Geol (1989) 84:575-590
    Namibia
     
    • Kunene Region
      • Damaraland District
        • Uis (Groot Uis)
    		- Bezing, L. von, Bode, R. & Jahn, S. (2007): Namibia. Mineralien und Fundstellen. Edition Schloss Freudenstein, Bode Verlag, Haltern, 411 pp. (in English)
    Portugal
     
    • Vila Real District
      • Peso da Régua
        • Poiares
    		de Sousa, M. B.; Ramos, J. M. Farinha (1987): Mineralogy and geology of the tin-mineralized veins of the Figueiral Valley ( Covelinhas , Peso de Regua, northeastern Portugal). Memorias e Noticias, Publicacoes do Museu e Laboratorio Mineralogico e Geologico da Universidade de Coimbra 103, 13-32 (in Portuguese).
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
        • Verkhoyansk
          • Yana River Basin
            • Yana-Adycha Region
              • Arga-Ynnakh-Khai granite Massif
    		Pavel M. Kartashov analytical data
    • Far-Eastern Region
      • Primorskiy Kray
        • Kavalerovo Mining District
          • Karadubsky ore field
    		N.V., Gorelikova analytical data
    Saudi Arabia
     
    • Mintaqah Ha'il
    		Economic Geology (1996) 91:1414-1434
    Tajikistan
     
    • Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad)
      • Zeravshan Range
        • Pendzhikent (Penjikent; Panjakent)
          • Kaznok Valley
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    UK
     
    • England
      • Cornwall
        • Callington District
          • Callington
            • Kit Hill
    		No reference listed
          • Gunnislake Area
    		Richard De Nul photo
    No reference listed
    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
        • Camborne - Redruth - St Day District
          • Gwennap
            • St Day United Mines (Poldice Mines)
    		No reference listed
        • Mount's Bay District
          • St Hilary
    		No reference listed
        • St Agnes District
          • Perranzabuloe
    No reference listed
          • St Agnes
            • West Wheal Kitty group
    		No reference listed
        • St Austell District
          • Lanivet
    		No reference listed
          • Treverbyn
            • Stenalees
    		Leon Hupperichs collection
    Williamson, B.J., Stanley, C.J., and Wilkinson, J.J. (1997): Contributions to Mineralogy and Petrology 127, 119-128.
    USA
     
    • Colorado
      • Park Co.
        • Lake George (Badger Flats) Beryllium Area (Mountain Dale)
    		Jim Hall
    • New Mexico
      • Catron Co.
        • Taylor Creek District
          • Sawmill Creek
    		NMGS 37th Field Conference
    • South Dakota
      • Pennington Co.
        • Keystone District
          • Keystone
    		Rocks & Minerals: 57: 160 &/or 60: 110 & 112.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2012. 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.
    Current server date and time: 10th Jan 2012 22:30:41
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