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.
Envirocareâs ISO 17025, UKAS and MCERTS accreditations demonstrate that our expert services comply with Health & Safety best practice and are competent to deliver a consistently dependable, unbiased and accurate service.he Source Testing Association (STA) is a non-profit making technical trade association which was established in 1995 and has a corporate membership of over 200 companies from process operators, regulators, equipment suppliers and test laboratories.