Russia mulls projects on rare earth metals in Arctic zone -- RDIF / Arkhangelsk Region to develop certain areas of rare earth metals mining -- governor / Belarus, Russia discuss cooperation in rare-earth metals segment / Russia can cooperate on rare-earth metals with US, other countries -- special envoy / Biotechnologies should be used to extract rare earth metals from ore -- expert / Development of rare earth metals may facilitate new industrial district in Arctic / Rare-earth metals deal with Kiev not feasible for the US -- expert / Appraisal in Arctic may bring Russia to top position for rare-earth metals -- expert / Russia doing little to produce rare and rare earth metals -- Putin / Development of rare-earth metals mining in Russia is important -- Putin