The Benefits of Nanosital: A Comprehensive Guide Nanosital or Sitall are synthetic gemstones, artificially grown or produced in the laboratory by synthesizing chemicals, minerals, and other synthetic materials, including silica, alumina, etc.It is an optically transparent polycrystalline material formed by crystallizing glass with a chemical composition. Compared to the original glass, it has higher physical properties.This technique is quite similar to hydrothermal, where a particular glass is mixed with a synthetic crystal to produce a hybrid of glass and ceramic material. It constitutes tiny, small-sized seed crystals in a glass matrix, known as "Nanosital Gemstones."