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.
The Manchineel tree, native to the Western Hemisphere, is known as the most poisonous tree in the world. In places where it grows â Florida, the Caribbean and the Bahamas â the manchineel is often marked with a red band to warn passersby not to get too near it.The tree is poisonous on so many levels that if you ever spot one, it is better you stay at least a few yards away from it.t was supposedly named â manzanita de la muerte â (little apple of death) by Christopher Columbus. But it might just be the least dangerous part of the tree. The manchineelâs milky white sap is incredibly caustic and poisonous as well â even a drop could cause skin blisters, dermatitis, swelling or burns.