Mr. Chamal Jaliya

Eng. R.G. Chamal Jaliya

Senior Lecturer (Gr II)

M.Phil. (Gemmology)
B.Sc.Eng(Hons)(Mining)(Moratuwa)
Diploma in ‘Applied Jewelry Professional’
Diploma in Gemmology
Email :jaliya@uwu.ac.lk
Phone : +94 552226676

  • Gemstone enhancement techniques
  • Value addition to minerals
  • Advance mining methods

Amarasinghe, C., & Jaliya, R. (2017). Analysis and Design of a better Performance Spacer Device for Asthmatic Patients. In International Research Symposium, Uva Wellassa University (p. 250)


Amarasiri, P., Jaliya, R., & Ediriweera, E. (2018). Possibility of Using Remote Sensing Techniques as a Tool in Exploration of Marble Deposits in Sri Lanka. In 2nd International Research Symposium, Uva Wellassa University (p. 404)


Bandara, R., Jaliya, R., & Wijesuriya, G. (2019). Investigation of the use of paddy husk silica as a compound for polishing gem minerals. In International Research Conference, Uva Wellassa University (p. 460)


Ekanayaka, E., Jaliya, R., & Wijesuriya, G. (2019). Enhancement of the colour of Natural Greenish Yellow Chrysoberyl Using Heat Treatment Techniques. In International Research Conference, Uva Wellassa University (p. 416).


Hirosh, D., Darshana, J., Doratiyawa, H., Wilson, R., Mehendran, Y., & Jaliya, R. (2019). Distinguish Garnet Mineral from Pulmuddai Beach Sand Using Image Processing Techniques. In International Research Conference, Uva Wellassa University (p.80)


Illangasinghe, S., Wickramarathna, S., Diyabalanage, S., Heratha, L., Francis, P., & Jaliya, R. (2019). Gem Trader’s perception on treatment of low gem-quality minerals, Ratnapura, Sri Lanka. In International Research Conference, Uva Wellassa University (p. 474)


Jaliya, R., Amarasinghe, C., Bandara, I., Ranaweerasinghe, G., Tharmakulasingham, K., & Rohitha, L. (2016). Developing an algorithm to identify minerals in mineral sand using digital image processing techniques. The 3rd International Conference on Nanoscience and Nanotechnology 2016, 3(1), 99.


Jaliya, R., Dharmarathna, P., & Wijesekara, K. (2019a). Assessment of Geuda Heat Treatment Using Gas-fired and Electric Furnaces. In International Research Conference, Uva Wellassa University (p. 469).


Jaliya, R., Dharmarathna, P., & Wijesekara, K. (2019b). Colour Development of Geuda Stones after the Gas-Fired and Electrically Operated Furnace Heat Treatments. Journal of Technology and Value Addition, 1(1),46–51.


Jaliya, R., Thotahewa, A., Palihakkara, C., Siriwardena, P., Senanayake, I., Premasiri, H., Dharmaratne, P.(2015). Delineation of Potential Sites for Gemstone Mining in Kuru Ganga Catchment, Ratnapura: A GIS Approach. In 9th Annual ERE conference.


Jayarathna, P., Rohitha, L., & Jaliya, R. (2019). Gravity Separation Method for Purification of Below 2 mm Graphite Particles in Kahatagaha Graphite Mine. In International Research Conference, Uva Wellassa University (p. 482).


Ulukkulama, G., Jaliya. R., & Rohitha, L. (2018). Increasing the Purity of Graphite Samples Taken from the Under Flow of the Froth Flotation Process Using a Gravity Separation Method. In 2nd International Research Symposium, Uva Wellassa University (p. 409).


Wickramarathna, I., Jaliya, R., Illangasinghe, S., Diyabalanage, S., & Francis, P. (2018). Ascertain an Optimum Temperature and Soaking Time to Enhance the Colour of “Maangu” Tourmaline. In 2nd International Research Symposium, Uva Wellassa University (p. 407).


Wickramarathna, I., Jaliya, R., Illangasinghe, S., & Francis, P. (2019). Sri Lankan Tourmaline’s Inclusions and their behaviours under the Gas Fired Heat Treatment. In International Research Conference, Uva Wellassa University (p. 468).


Wiierathne, A., Jaliya, R., & Rohitha, L. (2018). Removal of Iron Impurity from Vein Quartz by Acid Leaching. In 2nd International Research Symposium, Uva Wellassa University (p. 410).


Mining Engineer – Uma Oya Multi Development project, Sri Lanka(Jan 2015- May 2015)
Temporary Instructor (May 2015 – Dec 2015) Department of Earth Resources Engineering,University of Moratuwa, Sri Lanka
Visiting Instructor (September 2014 – May 2015) Department of Earth Resources Engineering, University of Moratuwa, Sri Lanka
Trainee Research Engineer (November 2013 – May 2014) Geoinformatics Centre, Asian Institute of Technology, Thailand


Associate Member: Institution of Engineering (IESL), Sri Lanka


Member: GIA Alumni Association, USA


Member: Sri Lanka Association for the Advancement of Science (SLAAS), Sri Lanka


Member: Gemmologists Association of Sri Lanka (GASL), Sri Lanka


Member: Geological Geological Society of Sri Lanka (GSSL) (2021 – Present)


  • MRT 313-2 Gemmology
  • MRT 314-1 Gemmology Lab
  • MRT 317-2 Mineral Processing Technology
  • MRT 318-1 Mineral Processing Lab
  • MRT 325-2 Mining Methods
  • MRT 364-1 Computer Aided Drawing and Designing
  • MRT 416-3 Mine Planning Strategies and Plant Operations
  • MRT 418-1 Simulation of Mineral Processing Systems