Gem Mining
Traditional Ceylon Gem Mining – Subsurface Gem Mining
Introduction Rathnapura gem mining, also known as sub-surface gem mining, is a traditional method of extracting precious gemstones in Sri Lanka. This article delves into the history of Rathnapura gem mining, the identification of gem gravel areas, land preparation, tunnel construction materials, the basic structure of the tunnel and mine entrance, and the process of …
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Modern Gem Separation Process from Gem Gravel in Sri Lanka
Introduction The gem industry in Sri Lanka has a rich history and is renowned for its abundant deposits of precious gemstones. In recent years, the industry has embraced modern technology to enhance the efficiency and effectiveness of gemstone separation processes. This article provides a detailed step-by-step overview of the gemstone separation process using a modern …
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