Welcome to the gemma-quartz website

For more than 30 years, GEMMA has been manufacturing Top Quality synthetic Quartz crystals to meet high precision requirements of military, spatial and telecommunication markets.

Because of its reliability to reproduce identical high quality cycles, its expertise in selecting the appropriate material, its involvement in R&D and its capability to meet specific requests, GEMMA Quartz & Crystal is today acknowledged as a world-class player by the industrial and scientist community.