While fracture filling as a method to enhance gems has been found in gems over 2,500 years old, the diamond's unique refractive index required a more advanced solution than simple wax and oil treatments. This technology became available roughly 20 years after the time the laser drilling technique was developed.
The MANCOSA MBA is an internationally recognised postgraduate academic programme and, one of the most highly recognised in Southern Africa.
Serving the Community Since 1923. The Manteca Chamber of Commerce is organized to advance the economic well-being and uniqueness of the Manteca area so that its citizens and all of the business community shall prosper.