-
Coltan (short for columbite–tantalites and
known industrially as tantalite) is a dull
black metallic ore from
which the
elements niobium and
tantalum are...
-
Coltan is the
colloquial name for the
mineral columbite-tantalum ("col-tan"). In the
early 21st
century coltan mining is ****ociated with
human rights violations...
-
Rubaya mines, also
known as the
Bibatama Mining Concession, is a
series of
coltan mining sites near the town of
Rubaya in
Masisi Territory,
North Kivu, Democratic...
- resources,
particularly coltan,
became a
lucrative enterprise for the Rwandan-backed
rebel group RCD-Goma.
Although a
decline in
coltan prices led to a reduction...
- and the two are
often grouped together as a semi-singular
mineral called coltan or "columbite-tantalite" in many
mineral guides. However,
tantalite has...
-
exploitations minières du Burundi, or COMEBU, is a
private enterprise that
mines coltan and
other minerals. The
Comptoir Minier des
Exploitations du
Burundi S.A...
- "Dinner With A Warlord." New York Times, June 18, 2007. "Blood
Coltan" "Blood
Coltan",
Interview with
alias clayvonsebon at 25:00 mins "Rebels for Christ...
-
similar niobium,
mainly in the
mineral groups tantalite,
columbite and
coltan. The
chemical inertness and very high
melting point of
tantalum make it...
- ecology,
similar to Fairphone.
Instead of
tantalum capacitors made from
coltan,
ceramic capacitors are used for
their manufacturing. So far,
eleven model...
-
together as a semi-singular
mineral series called columbite-tantalite or
coltan in many
mineral guides. However,
tantalite has a much
greater specific gravity...
