Digoarachchi, Chirath Induma; Hettiarachchi, Geeth M.; Opatha, Imashi
(Centre for Heritage Studies, University of Kelaniya, Kelaniya, Sri Lanka., 2019)
Throughout the history man is intuitively attracted to crystalline stones and it has been practising for years and still continues. Proving that, it started evolving from prehistoric period with the discovery of using ...