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Stibiomicrolite

Formula:
(Sb,Ca,Na)
 
2
(Ta,Nb)
 
2
O
 
7
Colour:Light green to whiteHardness:4
Name:The name reflects its antimony (Greek "stibi") content and similarity to microlite.


Pyrochlore Group. Microlite Subgroup. The antimony analogue of the other members of the Microlite Subgroup and the tantalum analogue of Stibiobetafite.

Classification of Stibiomicrolite

IMA status:Approved
Strunz 8th edition ID:4/C.18-30
Nickel-Strunz 10th (pending) edition ID:4.DH.15

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:8.2.2.7

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
2 : A2B2O6(O,OH,F)
Hey's CIM Ref.:18.1.31

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

Type Locality:Varuträsk, Skellefteå, Västerbotten, Sweden
Year of Discovery:1938

Physical Properties of Stibiomicrolite

Colour:Light green to white
Hardness (Mohs):4

Chemical Properties of Stibiomicrolite

Formula:
(Sb,Ca,Na)
 
2
(Ta,Nb)
 
2
O
 
7
Essential elements:O, Sb, Ta
All elements listed in formula:Ca, Na, Nb, O, Sb, Ta

Relationship of Stibiomicrolite to other Species

Related to:
  • Microlite Subgroup
  • Pyrochlore Group
    • Related Minerals - Nickel-Strunz Grouping):
    4.DH.05Brannerite
    (U
    4+
     
    		,Ca)(Ti,Fe
    3+
     
    		)
     
    2
    		O
     
    6
    4.DH.05Orthobrannerite
    UTi
     
    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.15Alumotungstite
    (W,Al)(O,OH)
     
    3
    4.DH.15Bariomicrolite
    Ba(Ta,Nb)
     
    2
    		(O,OH)
     
    7
    4.DH.15Bariopyrochlore
    (Ba,Sr)
     
    2
    		(Nb,Ti)
     
    2
    		(O,OH)
     
    7
    4.DH.15Betafite
    (Ca,U)
     
    2
    		(Ti,Nb)
     
    2
    		O
     
    6
    		(OH)
    4.DH.15Bismutomicrolite
    (Bi,Ca)(Ta,Nb)
     
    2
    		O
     
    6
    		(OH)
    4.DH.15Calciobetafite
    (Ca,RE,Th,U)
     
    2
    		(Nb,Ta,Ti)
     
    2
    		O
     
    7
    4.DH.15Ceriopyrochlore-(Ce)
    (Ce,Ca,Y)
     
    2
    		(Nb,Ta)
     
    2
    		O
     
    6
    		(OH,F)
    4.DH.15Cesstibtantite
    (Cs,Na)SbTa
     
    4
    		O
     
    12
    4.DH.15Ferritungstite
    (W,Fe
    3+
     
    		)(O,OH)
     
    3
    4.DH.15Jixianite
    Pb(W,Fe
    3+
     
    		)
     
    2
    		(O,OH)
     
    7
    4.DH.15Kalipyrochlore
    (K,Sr)
     
    2-x
    		Nb
     
    2
    		O
     
    6
    		(O,OH)·nH
     
    2
    		O
    4.DH.15Microlite
    (Ca,Na)
     
    2
    		Ta
     
    2
    		O
     
    6
    		(O,OH,F)
    4.DH.15Natrobistantite
    (Na,Cs)Bi(Ta,Nb,Sb)
     
    4
    		O
     
    12
    4.DH.15Plumbopyrochlore
    (Pb,Y,U,Ca)
     
    2-x
    		Nb
     
    2
    		O
     
    6
    		(OH)
    4.DH.15Plumbomicrolite
    (Pb,Ca,U)
     
    2
    		Ta
     
    2
    		O
     
    6
    		(OH)
    4.DH.15Plumbobetafite
    (Pb,U,Ca)(Ti,Nb)
     
    2
    		O
     
    6
    		(OH,F)
    4.DH.15Pyrochlore
    (Ca,Na)
     
    2
    		Nb
     
    2
    		O
     
    6
    		(OH,F)
    4.DH.15Strontiopyrochlore
    (Sr,Ce,Ca)
     
    0.66
    		(Nb,Fe)
     
    2
    		(O,OH)
     
    7
    4.DH.15Stannomicrolite
    (Sn,Fe,Mn)
     
    2
    		(Ta,Nb,Sn)
     
    2
    		(O,OH)
     
    7
    4.DH.15Stibiobetafite
    (Sb,Ca)
     
    2
    		(Ti,Nb,Ta)
     
    2
    		(O,OH)
     
    7
    4.DH.15Uranmicrolite
    (U,Ca,Ce)
     
    2
    		(Ta,Nb)
     
    2
    		O
     
    6
    		(OH,F)
    4.DH.15Uranpyrochlore
    (U,Ca,Ce)
     
    2
    		(Nb,Ta)
     
    2
    		O
     
    6
    		(OH,F)
    4.DH.15Yttrobetafite-(Y)
    (Y,U,Ce)
     
    2
    		(Ti,Nb,Ta)
     
    2
    		O
     
    6
    		OH
    4.DH.15Yttropyrochlore-(Y)
    (Y,Na,Ca,U)
     
    1-2
    		(Nb,Ta,Ti)
     
    2
    		(O,OH)
     
    7
    4.DH.15Fluornatromicrolite
    (Na,Ca,Bi)
     
    2
    		Ta
     
    2
    		O
     
    6
    		F
    4.DH.15Bismutopyrochlore
    (Bi,U,Ca,Pb)
     
    1+x
    		(Nb,Ta)
     
    2
    		O
     
    6
    		(OH)·nH
     
    2
    		O
    4.DH.15Thorian Pyrochlore
    4.DH.15Elsmoreite
    WO
     
    3
    		·0.5H
     
    2
    		O
    4.DH.20Bismutostibiconite
    Bi(Sb
    5+
     
    		,Fe
    3+
     
    		)
     
    2
    		O
     
    7
    4.DH.20Bindheimite
    Pb
     
    2
    		Sb
     
    2
    		O
     
    6
    		(O,OH)
    4.DH.20Monimolite
    (Pb,Ca,Fe)
     
    3
    		Sb
     
    2
    		O
     
    7
    4.DH.20Partzite
    Cu
     
    2
    		Sb
     
    2
    		(O,OH)
     
    7
    4.DH.20Roméite
    (Ca,Fe,Mn,Na)
     
    2
    		(Sb,Ti)
     
    2
    		O
     
    6
    		(O,OH,F)
    4.DH.20Stetefeldtite
    Ag
     
    2
    		Sb
     
    2
    		(O,OH)
     
    7
    4.DH.20Stibiconite
    SbSb
     
    2
    		O
     
    6
    		(OH)
    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.40Ingersonite
    Ca
     
    3
    		MnSb
     
    4
    		O
     
    14
    4.DH.45Pittongite
    Na
     
    0.22
    		(W,Fe
    3+
     
    		)(O,OH)
     
    3
    		 · 0.44H
     
    2
    		O
    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
    18.1.8Kalipyrochlore
    (K,Sr)
     
    2-x
    		Nb
     
    2
    		O
     
    6
    		(O,OH)·nH
     
    2
    		O
    18.1.9Calciotantite
    CaTa
     
    4
    		O
     
    11
    18.1.10Rynersonite
    Ca(Ta,Nb)
     
    2
    		O
     
    6
    18.1.11Microlite
    (Ca,Na)
     
    2
    		Ta
     
    2
    		O
     
    6
    		(O,OH,F)
    18.1.12Belyankinite
    Ca
     
    1-2
    		(Ti,Zr,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
    Ba(Ta,Nb)
     
    2
    		(O,OH)
     
    7
    18.1.16Parabariomicrolite
    BaTa
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·2H
     
    2
    		O
    18.1.17Bariopyrochlore
    (Ba,Sr)
     
    2
    		(Nb,Ti)
     
    2
    		(O,OH)
     
    7
    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
    (Sn,Fe,Mn)
     
    2
    		(Ta,Nb,Sn)
     
    2
    		(O,OH)
     
    7
    18.1.23Foordite
    (Sn,Pb)(Nb,Ta)
     
    2
    		O
     
    6
    18.1.24Changbaiite
    PbNb
     
    2
    		O
     
    6
    18.1.25Plumbopyrochlore
    (Pb,Y,U,Ca)
     
    2-x
    		Nb
     
    2
    		O
     
    6
    		(OH)
    18.1.26Plumbomicrolite
    (Pb,Ca,U)
     
    2
    		Ta
     
    2
    		O
     
    6
    		(OH)
    18.1.27Stibiocolumbite
    Sb(Nb,Ta)O
     
    4
    18.1.28Stibiotantalite
    Sb(Ta,Nb)O
     
    4
    18.1.29Natrobistantite
    (Na,Cs)Bi(Ta,Nb,Sb)
     
    4
    		O
     
    12
    18.1.30Cesplumtantite
    (Cs,Na)
     
    2
    		(Pb,Sb
    3+
     
    		)
     
    3
    		Ta
     
    8
    		O
     
    24
    18.1.32Cesstibtantite
    (Cs,Na)SbTa
     
    4
    		O
     
    12
    18.1.33 Stibobetafite
    (Ca,Sb)
     
    2
    		(Ti,Nb,Ta)
     
    2
    		(O,OH)
     
    7
    18.1.34Bismutotantalite
    Bi(Ta,Nb)O
     
    4
    18.1.35Bismutomicrolite
    (Bi,Ca)(Ta,Nb)
     
    2
    		O
     
    6
    		(OH)
    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 Stibiomicrolite

    German names:
    StibiomicrolitStibiomikrolith
    Russian names:
    Стибиомикролит
    Spanish names:
    Stibiomicrolita

    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 Stibiomicrolite

    Reference List:Quensel and Berggren (1938), Geologiska Föeningens I Stockholm Förhandlinger: 60: 216.

    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: 757.

    American Mineralogist (1988): 73: 1499.

    Internet Links for Stibiomicrolite

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  • Stibiomicrolite details from Handbook of Mineralogy (PDF)
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    Localities for Stibiomicrolite

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    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.
    Canada
     
    • Ontario
      • Kenora District
        • Separation Rapids
    		Tindle, A.G. & F.W.Breaks: "Oxide minerals of the Separation Rapids rare-element granitic pegmatite group, northwestern Ontario": Can. Min. 36: 609-635(1998)
    Czech Republic
     
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Velké Meziříčí
    		Novák, M., Staněk, J.: Lepidolitový pegmatit od Dobré Vody u Velkého Meziříčí, západní Morava. Acta Musei Moraviae, Scientiae geologicae, 1999, roč. 84, s. 3 - 44.
    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.
    Mozambique
     
    • Zambezia Province
      • Alto Ligonha District
    		No reference listed
    Min. Rec. Vol. 31, p. 486.
    Slovakia
     
    • Banská Bystrica Region
      • Southern Low Tatra Mts
        • Brusno
    		Uher, P. ,Černý, P., 1998 : Vzácnoprvková mineralizácia v granitových pegmatitoch Nízkych Tatier. Mineralia Slovaca, 30, 2,93 – 94
    Sweden
     
    • Västerbotten
      • Skellefteå
    		GFF (1938) 60, 216; Groat et al. (1987) GFF 109; Cerny et al. (2004) Can. Min. 89, 505-518
    Mineral and/or Locality
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