Rifkhan, M.N.M; Jayasinghe, R.M.N.P.K; Dharmaratne, T.S
(Sabaragamuwa University of Sri Lanka, 2019-11-14)
Zircon is a common gem mineral found in gem gravel beds of Sri Lanka. Heat treatment
technique is used to enhance the colour and clarity of reddish-brown zircons. The objective of
this research was to study the properties ...