In which country are traditional gem prospecting methods commonly used?

• A. India
• B. Brazil
• C. Madagascar
• D. Sri Lanka

Answer: (D)

Traditional gem prospecting methods rely on artisanal, alluvial mining and gravity separation in river gravels, using simple hand tools to wash, sieve, and sort gem-bearing material.

Sri Lanka has a centuries-long tradition of this exact approach, especially in gem districts like Ratnapura, known as the City of Gems. Miners historically work small-scale, river-area deposits, removing the sand and gravel and separating gems by eye and weight with basic tools. This enduring, hands-on practice is what makes Sri Lanka the country most commonly associated with traditional gem prospecting methods. While other countries do mine gems as well, the strong historical and cultural emphasis on artisanal, manual methods is a hallmark of Sri Lanka’s gem heritage.