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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...
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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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connection between the
problem of the
frustrated Ising antiferromagnet on a (
pyrochlore)
lattice of corner-shared
tetrahedra and Pauling's
water ice problem,...
- (alias
sheet silicates) and clays;
pyrochlore (invalid
mineral name
since 2010),
pyrochlore group and
pyrochlore supergroup;
antimony and
stibnite (alias...
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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...
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specializes in the
processing and
technology of niobium,
extracted from its
pyrochlore mine near the city of Araxá, in the
Brazilian state of
Minas Gerais. CBMM...
- (IDs 2.K)
Other sulfosalts (IDs 2.H–J and 2.L–M)
Oxides (IDs 4.A–E, e.g.
pyrochlore supergroup and
corundum group)
Hydroxides (IDs 4.F–G) ****nates(IV), sulfates(IV)...
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Republic of the Congo. The site is one of the most
economically significant pyrochlore deposits in the world. The rare
niobium mineral lue****e [fr] was discovered...
