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Pyrochlore Subgroup

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Pumice quarries, Wingertsberg Mt., Niedermendig, Mendig, Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, Germany



A subgroup of the Pyrochlore Group.

Classification of Pyrochlore Subgroup

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Relationship of Pyrochlore Subgroup to other Species

Minerals in Group:
Bismutopyrochlore:
(Bi,U,Ca,Pb)
 
1+x
(Nb,Ta)
 
2
O
 
6
(OH)·nH
 
2
O
Kalipyrochlore:
(K,Sr)
 
2-x
Nb
 
2
O
 
6
(O,OH)·nH
 
2
O
Plumbopyrochlore:
(Pb,Ca,Y,U)
 
2-x
(Nb,Ta,Ti)
 
2
O
 
6
(OH,O)
Pyrochlore:
(Ca,Na)
 
2
Nb
 
2
O
 
6
(OH,F)
Uranpyrochlore:
(U,Ca,Ce)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
Yttropyrochlore-(Y):
(Y,Ca,U)
 
1-2
(Nb,Ta,Ti)
 
2
(O,OH)
 
7

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 Pyrochlore Subgroup

Reference List:Lumpkin, G.R. and Ewing, R.C. (1995) Geochemical alteration of pyrochlore group minerals: pyrochlore subgroup. American Mineralogist: 80: 732-743.

Internet Links for Pyrochlore Subgroup

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