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Stibiocolumbite

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Quartzite quarries, Kalpetran, Embd, Matt Valley, Zermatt - Saas Fee area, Wallis (Valais), Switzerland
© JDehove

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Formula:
Sb(Nb,Ta)O
 
4
System:OrthorhombicColour:Brown to yellow-brown
Hardness:5½
Member of:Cervantite Group
Name:The name reflects its antimony (Greek "stibi") content and similarity to columbite.
This page provides mineralogical data about Stibiocolumbite.

Classification of Stibiocolumbite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:4/D.25-20
Nickel-Strunz 10th (pending) edition ID:4.DE.30

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
E : With medium-sized cations; with various polyhedra
Dana 8th edition ID:8.1.6.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
1 : ABO4
Hey's CIM Ref.:18.1.27

18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U
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Type Occurrence of Stibiocolumbite

Type Locality:Himalaya Mine (Himalaya dikes; Himalaya pegmatite), Gem Hill, Mesa Grande District, San Diego Co., California, USA
Year of Discovery:1915

Physical Properties of Stibiocolumbite

Lustre:Adamantine, Resinous
Diaphaneity (Transparency):Transparent
Colour:Brown to yellow-brown
Streak:Light yellow, yellow-brown
Hardness (Mohs):5½
Tenacity:Brittle
Cleavage:Distinct/Good
{010} distinct; {100} indistinct
Fracture:Irregular/Uneven
Density (calculated):5.68 g/cm3

Crystallography of Stibiocolumbite

Crystal System:Orthorhombic
Class (H-M):mm2 - Pyramidal
Cell Parameters:a = 4.92Å, b = 11.79Å, c = 5.55Å
Ratio:a:b:c = 0.417 : 1 : 0.471
Unit Cell Volume:V 321.94 ų (Calculated from Unit Cell)
Morphology:Prismatic [001]. {010} and {110} striated parallel to [001]. The crystals infreqently exhibit morphological evidence of hemimorphism.

Optical Data of Stibiocolumbite

Type:Biaxial (+)
RI values: nα = 2.398 nβ = 2.419 nγ = 2.459
2V:Measured: 73° , Calculated: 74°
Maximum Birefringence:δ = 0.061

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

Chemical Properties of Stibiocolumbite

Formula:
Sb(Nb,Ta)O
 
4
Essential elements:Nb, O, Sb
All elements listed in formula:Nb, O, Sb, Ta
Common Impurities:Ta

Relationship of Stibiocolumbite to other Species

Series:Forms a series with Stibiotantalite (see here)
Member of:Cervantite Group
Other Members of Group:

- +
Bismutocolumbite
Bi(Nb,Ta)O
 
4
Bismutotantalite
Bi(Ta,Nb)O
 
4
Cervantite
Sb
3+
 
Sb
5+
 
O
 
4
Clinocervantite
Sb
3+
 
Sb
5+
 
O
 
4
Stibiotantalite
Sb(Ta,Nb)O
 
4
Related Minerals - Nickel-Strunz Grouping):

- +
4.DE.05Downeyite
SeO
 
2
4.DE.10Koragoite
(Mn
2+
 
,Fe
3+
 
)
 
3
(Nb,Ta,Ti)
 
2
(Nb,Mn)
 
2
(W,Ta)
 
2
O
 
20
4.DE.15Koechlinite
Bi
 
2
MoO
 
6
4.DE.15Russellite
Bi
 
2
WO
 
6
4.DE.15Tungstibite
Sb
3+
2
WO
 
6
4.DE.20Tellurite
TeO
 
2
4.DE.25Paratellurite
TeO
 
2
4.DE.30Bismutotantalite
Bi(Ta,Nb)O
 
4
4.DE.30Bismutocolumbite
Bi(Nb,Ta)O
 
4
4.DE.30Cervantite
Sb
3+
 
Sb
5+
 
O
 
4
4.DE.30Stibiotantalite
Sb(Ta,Nb)O
 
4
4.DE.30Clinocervantite
Sb
3+
 
Sb
5+
 
O
 
4
4.DE.35Baddeleyite
ZrO
 
2
Related Minerals - Hey's Index Grouping:

- +
18.1.1Lithiotantite
Li(Ta,Nb)
 
3
O
 
8
18.1.2Lueshite
NaNbO
 
3
18.1.3Natroniobite
NaNbO
 
3
18.1.4Franconite
Na
 
2
Nb
 
4
O
 
11
 · 9H
 
2
O
18.1.5Natrotantite
Na
 
2
Ta
 
4
O
 
11
18.1.6Irtyshite
Na
 
2
(Ta,Nb)
 
4
O
 
11
18.1.7Rankamaite
(Na,K,Pb,Li)
 
3
(Ta,Nb,Al)
 
11
(O,OH)
 
30
18.1.8Hydropyrochlore
(H
 
2
O,□)
 
2
Nb
 
2
(O,OH)
 
6
(H
 
2
O)
18.1.9Calciotantite
CaTa
 
4
O
 
11
18.1.10Rynersonite
Ca(Ta,Nb)
 
2
O
 
6
18.1.11Microlite Group
18.1.12Belyankinite
Ca
 
1-2
(Ti,Nb)
 
5
O
 
12
 · 9H
 
2
O (?)
18.1.13Latrappite
(Ca,Na)(Nb,Ti,Fe)O
 
3
18.1.14Hochelagaite
(Ca,Na,Sr)(Nb,Ti,Si,Al)
 
4
O
 
11
 · 8H
 
2
O
18.1.15Bariomicrolite (of Hogarth 1977)
18.1.16Parabariomicrolite
BaTa
 
4
O
 
10
(OH)
 
2
 · 2H
 
2
O
18.1.17Bariopyrochlore (of Hogarth 1977)
18.1.18Alumotantite
AlTaO
 
4
18.1.19Simpsonite
Al
 
4
(Ta,Nb)
 
3
O
 
13
(OH,F)
18.1.20Sosedkoite
(K,Na)
 
5
Al
 
2
(Ta,Nb)
 
22
O
 
60
18.1.21Thoreaulite
SnTa
 
2
O
 
6
18.1.22Stannomicrolite (of Hogarth 1977)
18.1.23Foordite
(Sn,Pb)(Nb,Ta)
 
2
O
 
6
18.1.24Changbaiite
PbNb
 
2
O
 
6
18.1.25Plumbopyrochlore (of Skorobogatova et al)
18.1.26Plumbomicrolite (of Hogarth 1977)
18.1.28Stibiotantalite
Sb(Ta,Nb)O
 
4
18.1.29Natrobistantite
18.1.30Cesplumtantite
(Cs,Na)
 
2
(Pb,Sb
3+
 
)
 
3
Ta
 
8
O
 
24
18.1.31Stibiomicrolite (of Groat et al)
18.1.32Cesstibtantite
18.1.34Bismutotantalite
Bi(Ta,Nb)O
 
4
18.1.35Bismutomicrolite (of Hogarth 1977)
18.1.36Tantalite-(Mn)
MnTa
 
2
O
 
6
18.1.37Gerasimovskite
(Mn,Ca)(Nb,Ti)
 
5
O
 
12
 · 9H
 
2
O
18.1.38Tapiolite-(Mn)
(Mn,Fe)(Ta,Nb)
 
2
O
 
6
18.1.39Columbite-(Mn)
(Mn,Fe)(Nb,Ta)
 
2
O
 
6
18.1.40Wodginite
Mn(Sn,Ta)Ta
 
2
O
 
8
18.1.41Ixiolite
(Ta,Nb,Sn,Fe,Mn)
 
4
O
 
8
18.1.42Columbite-(Fe)
FeNb
 
2
O
 
6
18.1.43Tantalite-(Fe)
FeTa
 
2
O
 
6
18.1.44Columbite
(Fe,Mn)(Nb,Ta)
 
2
O
 
6
18.1.45Tantalite
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
18.1.46Tapiolite
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
18.1.47Tapiolite-(Fe)
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
18.1.48Columbite-(Mg)
(Mg,Fe,Mn)(Nb,Ta)
 
2
O
 
6
18.1.50Strüverite
(Ti,Ta,Fe)O
 
2
18.1.51 Staringite
(Fe,Mn)
 
x
(Ta,Nb)
 
2x
Sn
 
6-3x
O
 
12

Other Names for Stibiocolumbite

Other Languages:
German:Stibiocolumbit
Russian:Стибиоколумбит
Spanish:Stibiocolumbita

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 Stibiocolumbite

Reference List:

- +
Penfield and Ford (1906), American Journal of Science: 22: 61.

Schaller (1915), private contr. in Dana: 74.

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: 767-769.

American Mineralogist (1963): 48: 1348.

Foord, E.E. (1981), Bismuthian stibiocolumbite-tantalite and other minerals from the Little Three mine, Ramona, California: Mineral Society of America – Friends of Mineralogy, symposium abstracts.

Mineralogicheskii Zhurnal, Kiev (1982): 4: 70.

Zubkova, N.V., Puscharovsky, D.Yu., Giester, G., Smolin, A.S., Tillmanns, E., Brandstätter, F., Hammer, V., Peretyazhko, I.S., Sapozhnikov, A.N., and Kashaev, A.A. (2002) Bismutocolumbite, Bi(Nb0.79Ta0.21)O4, stibiocolumbite, Sb(Nb0.67Ta0.33)O4, and their structural relation to the other ABO4 minerals with stibiotantalite (SbTaO4) structure. Neues Jahrbuch für Mineralogie, Monatshefte 2002: 145-159.

Internet Links for Stibiocolumbite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Stibiocolumbite details from Handbook of Mineralogy (PDF)
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    • Localities for Stibiocolumbite

    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.
    Canada
     
    • Northwest Territories
      • O'Grady Lake area
    		CanMin 41:117-137
    Italy
     
    • Lombardy
      • Brescia Province
        • Adamello-Brenta Natural Park
          • Adamello Massif
            • Mt. Foppa
    		Pezzotta, Federico and Guastoni, Alessandro, The New Discovery of a LCT Pegmatite in the Adamello Massif, Central Southern Alps, Italy; Museo Civico di Storia Naturale, Milan, Italy.
    Norway
     
    • Nordland
      • Sørfold
    		Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum, skrift 38, 5-28.
    Pakistan
     
    • Gilgit-Baltistan (Northern Areas)
      • Baltistan
        • Skardu District
          • Haramosh Mts.
    		Scovill, J. (2007): Lapis 32 (4), 40-42.
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Ząbkowice District
        • Ząbkowice (Frankenstein)
          • Szklary (Gläsendorf)
    		Geologia Sudetica, 33 (1): 23-31. ; Pieczka, A.; Grew, E.S.; Groat, L.A.; Evans, R.J. (2011): Holtite and dumortierite from the Szklary Pegmatite, Lower Silesia, Poland. Mineralogical Magazine 75, 303-315.
    Switzerland
     
    • Wallis (Valais)
      • Zermatt - Saas Fee area
        • Matt Valley
          • Embd
            • Kalpetran
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 387.
    Tajikistan
     
    • Viloyati Mukhtori Gorno-Badakhshan (Viloyati Badakhshoni Kuni)
      • Pamir Mts
        • Khorog Region
          • Shakhdara Range
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    USA
     
    • California
      • San Diego Co.
        • Mesa Grande District
          • Gem Hill
    		Fisher, J. 2002. Gem and rare-element pegmatites of southern California. Mineralogical Record, Volume 33, Number 5: pages 390-396, photographs.
        • Ramona District
          • Ramona
    		Foord, Eugene E., Spaulding, Louis B. Jr., Martin, Robert F. & Mason, Roger A. (1989), Mineralogy and Paragenesis of the Little Three Mine Pegmatites, Ramona District, San Diego County, California. Mineralogical Record, 20(2): p. 123.
    • Colorado
      • Park Co.
        • Lake George
    		Minerals of Colorado (1997) E.B. Eckels
    Mineral and/or Locality
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