Trade Organisations
GIA creates free gem guide for artisanal miners
![gemological Institute of America](https://www.jewelleryfocus.co.uk/wp-content/uploads/2017/04/GIA_Logo-e1491480024559-780x279.jpg)
The Gemological Institute of America (GIA) has produced a gem guide which they will give to artisanal miners free of charge.
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