• Pyrochlore - Wikipedia

    en.wikipedia.org/wiki/Pyrochlore Pyrochlore (Na,Ca) 2 Nb 2 O 6 (OH,F) is a mineral group of the niobium end member of the pyrochlore supergroup. The general formula, A 2 B 2 O 7 (A and B are metals), represent a family of phases isostructural to the mineral pyrochlore.
  • Pyrochlore | mineral | Britannica.com

    www.britannica.com/science/pyrochlore Pyrochlore, a complex oxide mineral [(Na, Ca)2Nb2O6(OH,F)] composed of niobium, sodium, and calcium that forms brown to black, glassy octahedral crystals and irregular masses. Tantalum atoms replace niobium atoms in the chemical structure, so that pyrochlore forms a solid-solution series with the
  • Pyrochlore Group: Mineral information, data and localities.

    www.mindat.org/min-3316.html The pyrochlore group gets its name from the generic name pyrochlore which was first introduced by J. J. Berzelius for a cubic mineral found by N.O. Tank in the 1820s in a syenite pegmatite at Stavern (formerly Fredriksvärn), Norway (Wöhler 1826). It is derived from the Greek πΰρ, fire, and ...
  • Pyrochlore | Definition of Pyrochlore at Dictionary.com

    www.dictionary.com/browse/pyrochlore Pyrochlore definition, a mineral, chiefly composed of niobates of the cerium metals, occurring in syenites in the form of brown crystals. See more.
  • Pyrochlore - an overview | ScienceDirect Topics

    www.sciencedirect.com/topics/earth-and-planetary-sciences/pyrochlore Pyrochlore. Pyrochlore is the third mineral at Sokli providing evidence of a progressively fractionating system (Lee, 2006). Pyrochlore did not crystallize at Sokli until the magmas evolved to P2C2 compositions, but then it occurs in all later carbonatite magma types.
  • PYROCHLORE (Calcium Sodium Niobium Oxide Hydroxide Fluoride)

    www.galleries.com/Pyrochlore Pyrochlore is an end member of a solid-solution series between itself and the mineral microlite. The two minerals have similar structures and properties, but microlite is the tantalum rich end member and pyrochlore is the niobium rich end member.
  • Pyrochlore | Definition of Pyrochlore by Merriam-Webster

    www.merriam-webster.com/dictionary/pyrochlore Pyrochlore definition is - a brown or dark reddish mineral NaCaCb2O6F that is isomorphous with microlite and is an oxide and fluoride of sodium, calcium, and columbium.
  • Pyrochlore Mineral Data

    webmineral.com/data/Pyrochlore.shtml Visit our Advertisers for Pyrochlore : A Bijoux Google Search for Pyrochlore Dakota Matrix Minerals Google Search for Pyrochlore John Betts Fine Minerals Search for Pyrochlore McDougall Minerals Google Search for Pyrochlore Rock and Mineral Shows Google Search for Pyrochlore Weinrich Minerals, Inc. Google Search for Pyrochlore. Ask about ...
  • Cava Lab: Pyrochlore - Princeton University

    www.princeton.edu/~cavalab/tutorials/public/structures/pyrochlore.html back to structure index Pyrochlore Ca 2 Nb 2 O 6 F Ca 2 Nb 2 O 6 F (download cif) is the nominal pyrochlore mineral.The general formula for Pyrochlore is A 2 B 2 O 7, or more accurately: A 2 B 2 O 6 O'. In the case of nominal pyrochlore, F occupies the F' site. Pyrochlore is highly symmetric, and is face-centered.
  • pyrochlore.net - BlackFire Solution

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