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English Fox - English Dictionary
Meaning of
columbites
in English
columbites
Definitions
Noun
a
black
niobate
and
tantalate
mineral
(
main
ore
source
)
Columbites
are
mined
as
the
primary
source
of
niobium
.
a
mineral
containing
iron
and
manganese
;
niobium
ore
The
mineral
columbites
contains
significant
amounts
of
iron
and
manganese
.
