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Parabariomicrolite

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Formula:
BaTa4O10(OH)2 · 2H2O
System:
Trigonal
Hardness:
4
This page provides mineralogical data about Parabariomicrolite.

Classification of Parabariomicrolite

Approved
4.FJ.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
J : Hydroxides with H2O +- (OH); corner-sharing octahedra
8.2.8.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
2 : A2B2O6(O,OH,F)
18.1.16

18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U
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First Recorded Occurrence of Parabariomicrolite

Year of Discovery:
1986

Physical Properties of Parabariomicrolite

Hardness (Mohs):
4

Crystallography of Parabariomicrolite

Crystal System:
Trigonal
Cell Parameters:
a = 7.42Å, c = 18.5Å
Ratio:
a:c = 1 : 2.493
Unit Cell Volume:
V 882.08 ų (Calculated from Unit Cell)

Chemical Properties of Parabariomicrolite

Formula:
BaTa4O10(OH)2 · 2H2O
Essential elements:
All elements listed in formula:

Relationship of Parabariomicrolite to other Species

4.FJ.05MeymaciteWO3 · 2H2O
4.FJ.05SidwilliteMoO3 · 2H2O
4.FJ.10TungstiteWO3 · H2O
4.FJ.15HydrotungstiteWO3 · 2H2O
4.FJ.15IlsemanniteMo3O8 · nH2O
18.1.1LithiotantiteLi(Ta,Nb)3O8
18.1.2LueshiteNaNbO3
18.1.3NatroniobiteNaNbO3
18.1.4FranconiteNa2Nb4O11 · 9H2O
18.1.5NatrotantiteNa2Ta4O11
18.1.6IrtyshiteNa2(Ta,Nb)4O11
18.1.7Rankamaite(Na,K)3(Ta,Nb,Al)11(O,OH)31
18.1.8Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)
18.1.9CalciotantiteCaTa4O11
18.1.10RynersoniteCa(Ta,Nb)2O6
18.1.11Microlite Group
18.1.12BelyankiniteCa1-2(Ti,Nb)5O12 · 9H2O (?)
18.1.13Latrappite(Ca,Na)(Nb,Ti,Fe)O3
18.1.14Hochelagaite(Ca,Na,Sr)(Nb,Ti,Si,Al)4O11 · 8H2O
18.1.15Bariomicrolite (of Hogarth 1977)
18.1.17Bariopyrochlore (of Hogarth 1977)
18.1.18AlumotantiteAlTaO4
18.1.19SimpsoniteAl4(Ta,Nb)3O13(OH,F)
18.1.20Sosedkoite(K,Na)5Al2(Ta,Nb)22O60
18.1.21Thoreaulite(Sn2+,Pb)(Ta,Nb)2O6
18.1.22Stannomicrolite (of Hogarth 1977)
18.1.23Foordite(Sn,Pb)(Nb,Ta)2O6
18.1.24ChangbaiitePbNb2O6
18.1.25Plumbopyrochlore (of Skorobogatova et al.)
18.1.26Plumbomicrolite (of Hogarth 1977)
18.1.27StibiocolumbiteSb(Nb,Ta)O4
18.1.28StibiotantaliteSb(Ta,Nb)O4
18.1.29Natrobistantite
18.1.30Cesplumtantite(Cs,Na)2(Pb,Sb3+)3Ta8O24
18.1.31Stibiomicrolite (of Groat et al.)
18.1.32Cesstibtantite
18.1.34BismutotantaliteBi(Ta,Nb)O4
18.1.35Bismutomicrolite (of Hogarth 1977)
18.1.36Tantalite-(Mn)MnTa2O6
18.1.37Gerasimovskite(Mn,Ca)(Nb,Ti)5O12 · 9H2O
18.1.38Tapiolite-(Mn)(Mn,Fe)(Ta,Nb)2O6
18.1.39Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
18.1.40WodginiteMn(Sn,Ta)Ta2O8
18.1.41Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
18.1.42Columbite-(Fe)FeNb2O6
18.1.43Tantalite-(Fe)FeTa2O6
18.1.44Columbite(Fe,Mn)(Nb,Ta)2O6
18.1.45Tantalite(Fe,Mn)(Ta,Nb)2O6
18.1.46Tapiolite(Fe,Mn)(Ta,Nb)2O6
18.1.47Tapiolite-(Fe)(Fe,Mn)(Ta,Nb)2O6
18.1.48Columbite-(Mg)(Mg,Fe,Mn)(Nb,Ta)2O6
18.1.50Strüverite(Ti,Ta,Fe)O2
18.1.51 Staringite(Fe,Mn)x(Ta,Nb)2xSn6-3xO12

Other Names for Parabariomicrolite

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Parabariomicrolite

Reference List:
Canadian Mineralogist (1986): 24: 655-663.

American Mineralogist (1988): 73: 194.

Internet Links for Parabariomicrolite

Localities for Parabariomicrolite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Brazil
 
  • Rio Grande do Norte
    • Borborema mineral province
      • Equador
Canadian Mineralogist (1986): 24: 655-663.
Mineral and/or Locality  
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