Hewathilake, H.P.T.S; Wijayasinghe, H.W.M.A.C; Balasooriya, N.W.B; Pitawala, H.M.T.G.A
(Faculty of Applied science South Eastern University of Sri Lanka Oluvil # 32360 Sri Lanka, 2014)
Sri Lanka is well known for high quality vein graphite, containing about 95-98% of
pure carbon. Vein graphite in Sri Lanka have been categorized into four structurally
distinct graphite varieties, shiny-slippery-fibrous ...