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1. columbite-tantalite
noun.
A
valuable
black
mineral
combining
niobite
and
tantalite;
used
in
cell
phones
and
computer
chips.
Synonyms
coltan
mineral
Antonyms
organic
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2. tantalite
noun.
A
mineral
consisting
of
tantalum
oxide
of
iron
and
manganese
that
occurs
with
niobite
or
in
coarse
granite;
an
ore
of
tantalum.
Synonyms
atomic number 73
Ta
mineral
tantalum
Antonyms
organic
3. columbite
noun.
A
black
mineral
that
is
an
ore
of
niobium
and
tantalum.
Synonyms
niobium
atomic number 73
Ta
atomic number 41
niobite
mineral
Nb
tantalum
Antonyms
organic
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negative-impact
white-person
success
bulbous
antonym
for-the-first-time
challenge
online
out-of-the-box thinking
good
rhyme
focus
mental-health
preemptive
filipino
deep-understanding
committee
positivity
perspective
some
technology
gujarati
ever-changing
availability
stanza
potential
stabilize
know-it-all
lantern
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