Trichy: Siemens Centre of Excellence (CoE) in Manufacturing located at National Institute of Technology (NIT) Trichy has come forward to design an indigenous artificial gem polishing machine to revive ...

Rubies, emeralds and tourmalines can only sparkle with the right cut. Since early this year, a fully automatic machine has undertaken this grinding process one gem cutter. It saves up to 30 percent of ...

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A scanning electron microscope image of gemstone processing waste. Researchers are exploring ways to use gemstone processing waste in cement, reducing the environmental impacts of both industries.