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- Democratic Republic of the Congo (21095 bytes)
61: ... Congo]], but in practical terms, things changed only slightly.
72: ...u]]. Lumumba escaped to join his supporters in Stanleyville but was recaptured and then flown (January...
80: ... occasionally hold elections in which he was the only candidate. Relative peace and stability was achi...
86: ...from the illegal extraction of minerals such as [[coltan]]. Kabila was assassinated in [[January 2001]] an...
122: *[[Kisangani]] (Stanleyville) - List of minerals (11610 bytes)
140: #[[Coltan]] (short for minerals of the columbite group) - Niobium (10560 bytes)
175: ...a number of uses: it is a component of some [[stainless steel]]s and an [[alloy]] of other nonferrous ...
177: ... welding]] rods for some stabilized grades of stainless [[steel]].
190: ...|O]]<sub>6</sub>), [[columbite-tantalite]] or ''[[coltan]]'' ((Fe,Mn)(Ta,Nb)<sub>2</sub>O<sub>6</sub>), [[...
199: *[http://periodic.lanl.gov/elements/41.html Los Alamos National Laborato... - Tantalum (11817 bytes)
171: ...xide]]. The element has a melting point exceeded only by [[tungsten]] and [[rhenium]] (melting point 3...
174: ...is in the production of electronic components, mainly tantalum [[capacitor]]s. Tantalum [[electrolyti...
181: ...re different compounds. Early investigators were only able to isolate impure metal and the first relat...
190: ...urces in the conflict regions of the Congo (see [[coltan]]).
198: ... Ta-180 has a [[ground state]] [[half life]] of only 8 hours.
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