Graphite stock to watch, Kibaran Resources (ASX: KNL), up 45% today after announcing 99.9% purity from met testing. Graphite purity is the key with respect to any graphite hopeful and Kibaran today announced that metallurgical testwork on its Epanko graphite in Tanzania had yielded ultra-high purity of +99.9% C. Kibaran is one of our preferred graphite sector plays, as it possesses a number of key attributes that differentiate it from many of the pretenders in the graphite space These include an Inferred JORC-compliant Resource, completion of a Scoping Study, independent metallurgical test-work, commencement of environmental and social impact studies, and a binding off-take agreement with a European graphite trader. Its share price has run from a low of $0.05 during October to a high today of $0.25.