GSI Students Gain Firsthand Experience at Sri Lanka’s Rakwana Gemstone Mines
Gemological Science International’s (GSI) Colored Stone Professional (CSP) Diploma programme recently organized a hands-on educational tour to Sri Lanka’s famous Rakwana Gem Deposit, giving students an invaluable opportunity to experience the gemstone industry at its source. The field visit was designed to offer a complete view of the gemstone journey — from mining and processing […]
GSI Students Gain Firsthand Experience at Sri Lanka’s Rakwana Gemstone Mines Read More »









