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Betafite group

Additional information / Summary

siehe auch unter: Betafit (nach Hogarth 1977)

Chemism

Clas­sifica­tion by Hölzel

4.CJ

4: OXIDES
C: R2O3 Sesquioxides
J: Betafite-Group, Ti-dominant on the B-site

Dana 8th edi­tion

08.02.03.01

08: Multiple Oxides with Nb, Ta, and Ti
02: Multiple Oxides with Nb, Ta, and Ti where (A)2 (B2O6) (O,OH,F)
03: Pyrochlore Group (Betafite Subgroup; 2(Ti)>(Ta+Nb)

Min­eral sta­tus

Reihe/Gruppe/Serie/Folge

IMA Classification

IMA Clas­sifica­tion

 Pyrochlore supergroup

Crystal Structure 3D

Open larger view

IMA group assignments

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

'Hydroxycalciobetafite'

Ca2(Ti,Nb)2(O,OH)6(OH)

4.CJ.110

'Scheteligite'

(Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH)

4.CJ.121

Oxycalciobetafite

Ca2(Ti,Nb)2O6O

4.CJ.140

Panguite

(Ti4+,Sc,Al,Mg,Zr,Ca)1.8O3

orthorhombisch : mmm : Pbca

4.CJ.180

Oxyuranobetafite

(U,Ca,◻)2 (Ti,Nb)2O6O

4.CJ.740

'Plumbobetafite' (Var.v. Pyrochlore supergroup)

(Pb,U,Ca)(Ti,Nb)2O6(OH,F)

kubisch : m3m : Fd3m

4.CJ.981

'Yttrobetafite-(Y)' (Var.v. Pyrochlore supergroup)

(Y,U,Ce)2(Ti,Nb,Ta)2O6(OH)

amorph

4.CJ.982

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

'Pyrochlore'
08.02.01.01

Hydropyrochlore

(H2O,☐)2Nb2(O,OH)6(H2O)

kubisch : m3m : Fd3m

 08.02.01.02

'Bariopyrochlore' (Var.v. Pyrochlore supergroup)

(Ba,Sr)(Nb,Ti)2(O,OH)7

kubisch : m3m : Fd3m

 08.02.01.03

'Yttropyrochlore-(Y)' (Var.v. Pyrochlore group)

(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7

 08.02.01.04

'Ceriopyrochlore-(Ce)' (Var.v. Pyrochlore supergroup)

(Ca,Ce,Y,Na)2(Nb,Ta)2(O,OH,F)7

kubisch : m3m : Fd3m

 08.02.01.05

'Plumbopyrochlore' (Var.v. Pyrochlore group)

(Pb,Y,U,Ca)2-xNb2O6(OH)

kubisch : m3m : Fd3m

 08.02.01.06

'Uranopyrochlore' (Var.v. Pyrochlore supergroup)

(Ca,U,Na,Ce)2(Nb,Ta)2(O,OH,F)7

kubisch : m3m : Fd3m

 08.02.01.07

'Bismutopyrochlore' (Var.v. Pyrochlore supergroup)

(Bi,U,Ca,Pb)1+x(Nb,Ta)2O6(OH)·nH2O

kubisch : m3m : Fd3m

 08.02.01.09

'Bariomicrolite'

Ba(Ta,Nb)2(O,OH)7

kubisch : m3m : Fd3m

 08.02.02.02

'Plumbomicrolite' (Var.v. Microlite group)

(Pb,Na,Ca)2(Ta,Nb)2(O,OH)7

kubisch : m3m : Fd3m

 08.02.02.03

'Uranmicrolite' (Var.v. Microlite group)

(Ca,U)2(Ta,Nb)2O6(OH,F)

kubisch : m3m : Fd3m

 08.02.02.04

'Bismutomicrolite'

(Bi,Ca)(Ta,Nb)2O6(OH)

kubisch : m3m : Fd3m

 08.02.02.05

'Stannomicrolite' (Var.v. Microlite group)

(Sn2+,Fe2+)(Ta,Nb,Sn4+)2(O,OH)7

kubisch : m3m : Fd3m

 08.02.02.06

'Stibiomicrolite' (Var.v. Microlite group)

(Sb,Ca,Na)2(Ta,Nb)2(O,OH)7

kubisch : m3m : Fd3m

 08.02.02.07

'Betafite group'
08.02.03.01

'Yttrobetafite-(Y)' (Var.v. Pyrochlore supergroup)

(Y,U,Ce)2(Ti,Nb,Ta)2O6(OH)

amorph

 08.02.03.02

'Plumbobetafite' (Var.v. Pyrochlore supergroup)

(Pb,U,Ca)(Ti,Nb)2O6(OH,F)

kubisch : m3m : Fd3m

 08.02.03.03

'Stibiobetafite' (Var.v. Pyrochlore group)

(Sb3+,Ca)2(Ti,Nb,Ta)2(O,OH)7

kubisch : m3m : Fd3m

 08.02.03.04

'Calciobetafite' (Var.v. Pyrochlore supergroup)

Ca2(Ti,Nb)2(O,OH)7

kubisch : m3m : Fd3m

 08.02.03.05

'Cesstibtantite' (Var.v. Pyrochlore supergroup)

(Cs,Na)SbTa4O12

kubisch : m3m : Fd3m

 08.02.04.01

'Natrobistantite' (Var.v. Microlite group)

(Na,Cs)Bi(Ta,Nb,Sb)4O12

 08.02.04.02

Zircosulfate

Zr(SO4)2·4H2O

orthorhombisch : mmm : Fddd

 08.02.05.01

Orthobrannerite

U4+U6+Ti4O12(OH)2

orthorhombisch : 222 : P2122

 08.02.07.01

'Parabariomicrolite ' (Pol.v. Hydrokenomicrolite)

BaTa4O10(OH)2·2H2O

 08.02.08.01

Alternative Name

German

Betafit

English

Betafite

CNMNC symbol

Symbol

Btf

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

 DeWikiPedia - search for: Betafit-Gruppe
Google-Bilder-Suche - search for: Betafit-Gruppe
Mineralogisch-Petrographisches-Institut Hamburg - search for: Betafit-Gruppe

English pages

 Mindat - search for: Betafite group
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Handbook-of-Mineralogy - search for: Betafite group
RRUFF - Raman, XRD and other mineral data - search for: Betafite group
RRUFF - References and PDF downloads - search for: Betafite group
American-Mineralogist-Crystal-Structure-Database - search for: Betafite group
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German pages

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Locations with GPS information