Colombian Emerald Industry: Winds of Change
According to worldwide production data from 2005, about 65% of global production came from magmatic-metasomatic occurrences, while about 28% was from sedimentary-metasomatic deposits and 7% from metamorphic-metasomatic types (Giuliani et al., 2015). Colombia's emerald deposits are the sedimentary-metasomatic type.
Get Price