Czochralski Websites:
crownsil.com
Home- CrownSil
CrownSil - A consulting and R&D enterprise, capitalizing on recent advances in the understanding of the beneficial effect of nitrogen/oxygen co-doping of the as-grown silicon...
cigem.ca
Gemology World – Canadian Institute of Gemmology
Dedicated to research and advance in education in the field of gemmology. Gemlab Research & Technology. Gemological Books and Instruments. Professional Development.