ICAM - International Congress of Applied Mineralogy
The group at Alexandrite Mine
Brazilian Gemstones Field Trip - leader Dr. Julio César Mendes
 
Main gallery at Piteira Mine
 
Garimpeiros and the group at Capoeirana Garimpo
 
Into the galleries in Capoeirana Garimpo
 
Former extraction of diamonds in Diamantina
 
Washing the alexandrite-rich gravels
 
Change color of alexandrite samples
 
The pagmatite in Generosa Mine
 
Picking up emeralds at Piteira Mine
 
Dealer offering alexandrite in Capoeirana Garimpo
 

 

Infrared view into a new gallery in Generosa Mine
 
Ouro Preto mineralogical museum
 
All participants in Imperial Topaz Mine
 
At restaurant in Ouro Preto At restaurant in Ouro Preto