| 1. | Pyrochlore occurs in pegmatites associated with nepheline syenites and other alkalic rocks.
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| 2. | Tantalum is found in the minerals tantalite and pyrochlore.
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| 3. | There four compounds belong to the family of rare-earth pyrochlore oxides.
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| 4. | It is a member of the pyrochlore super group.
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| 5. | Niobium is in the minerals columbite and pyrochlore.
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| 6. | The introduction to his thesis is a pyrochlore review that remains his most cited work to date.
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| 7. | The pyrochlore structure shows varied physical properties spanning electronic superconducting materials ( Cd 2 Re 2 O 7 ).
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| 8. | Associated minerals include ilmenite, zirkelite, apatite, magnetite, perovskite, fluorite, nepheline, pyrochlore and allanite.
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| 9. | It also has an epynomic crystal structure, which is an end member of the spectrum starting from bixbyite and progressing through pyrochlore.
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| 10. | Betafite, a mineral group in the pyrochlore supergroup, typically occurs as a primary mineral in granite pegmatites, and rarely in carbonatites.
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