Interesting facts Stones that look like valuable rough emeralds, but are actually green glass glued to mica rock, deceive buyers in producing countries like Zambia, in an old gemology scam that reappears with increasingly sophisticated techniques and even fake reports. Bruno Teles 26/05/2026 at 14:47
Mining The city of only 4,000 inhabitants in Brazil produces up to 1,000 kg of emeralds per month, sells them to China, and is home to a billion-dollar deposit. Romário Pereira de Carvalho 04/05/2026 at 10:15
Economy Emerald Rock Valued at R$ 100 Million Goes to Auction in Brazil Bruno Teles 27/07/2025 at 21:34