Pyrochlore

Image

Pyrochlore crystals (brown), from Vishnovogorsk, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia. 7.7 x 5.8 x 3.0 cm

© Rob Lavinsky, iRocks.com – CC-BY-SA-3.0

Properties

Formulas (Ca,Na)2Nb2O6(OH,F), (Sr,Na)2Nb2O6(OH,F), (Na,Sr,Ca,Ce)2Nb2O6(OH,F)
Abbreviation Pcl
Variants Sr, Ce, strontian
Classification Pyrochlore (group)
Member Calciopyrochlore
Luminescence emitters Dy, Nd, UO2
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Related materials Pyrochlore (group)
Tags Niobate, Hydroxide

Composition

Element Wt%
Na 9.75
Ca 5.66
Nb 52.51
O 30.52
F 1.34
H 0.21
Total: 99.99

References

Reference Lines Spectra Images
Gaft et al. 1979; 1981 2 0 0
Gaft et al. 2005 1 0 0
Tarashchan 1978 2 0 0