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.
List of countries by titanium production. This is a list of countries by titanium production in 2010â2013 based on USGS figures. The production figures are for titanium sponge, units are in metric tons. Joseph Gambogi (2012). Titanium and titanium dioxide (PDF).