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Pyrochlore (Na,Ca)2Nb2O6(OH,F) is a
mineral group of the
niobium end
member of the
pyrochlore supergroup.
Pyrochlore is also a term for the
crystal structure...
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Betafite is a
mineral group in the
pyrochlore supergroup, with the
chemical formula (Ca,U)2(Ti,Nb,Ta)2O6(OH).
Betafite typically occurs as a
primary mineral...
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hypoallergenic alternative to nickel.
Niobium is
often found in the
minerals pyrochlore and columbite. Its name
comes from Gr**** mythology: Niobe,
daughter of...
- (alias
sheet silicates) and clays;
pyrochlore (invalid
mineral name
since 2010),
pyrochlore group and
pyrochlore supergroup;
antimony and
stibnite (alias...
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connection between the
problem of the
frustrated Ising antiferromagnet on a (
pyrochlore)
lattice of corner-shared
tetrahedra and Pauling's
water ice problem,...
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north of
Rutshuru town,
exploiting one of the world's
biggest reserves of
pyrochlore, an ore of niobium. It is said to be the most
valuable mineral resource...
- and alloys. In 1982 he
completed his Ph.D. in
solid state chemistry on
pyrochlore oxides at the
Indian Institute of Technology, Madras, India,
under the...
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contain thorium include apatite, sphene, zircon, allanite, mo****te,
pyrochlore, thorite, and xenotime. Thorium-232 has a half-life of 14
billion years...
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calcite rock with
variable accessory amphibole, biotite, pyrite,
pyrochlore and fluorite.
Panda Hill
Carbonatite Kresten, Peter; Troll,
Valentin R...
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prevailing over
titanium and niobium. The
microlite group belongs to a
large pyrochlore supergroup that
occurs in
pegmatites and
constitutes an ore of tantalum...
