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Peru seizes four tons of black-market mercury destined for illegal gold mines

The Peruvian authorities stopped a shipment of four metric tonnes of mercury heading to Bolivia, allegedly for use in illegal gold-mining. This is the latest indication of the growing black market to meet the soaring demand of the precious metal. The container was passed off as crushed rock. However, the customs agency in Peru, SUNAT, said that an analysis revealed it to be laced with toxic mercury.

In a press release, SUNAT stated that "we could determine that the mercury was being shipped in its natural form, concealed in shipments of crushed gravel." It was discovered at the Callao Port and it came from Mexico.

According to an analysis of previous seizures conducted by the Environmental Investigation Agency, a Washington advocacy non-profit, the seizure is the largest ever recorded in the Amazon region where illegal gold mining has been widespread.

According to the EIA, until now, the largest known shipment of gold in the region was about half its size. Gold prices have been soaring in recent months due to global trade uncertainty, which has made gold a particularly attractive investment. Gold prices have risen 28.5% this year, and reached a record-high of $3.500 per troy inch in April. Gold fever has caused deadly clashes in West Africa and Peru.

The EIA alerted Peruvian officials to the shipment when it was researching illicit mercury shipments to Bolivia, Colombia, and Peru where miners used mercury to leach out gold from the sediment of the Amazon Riverbanks.

The report said that higher mercury prices are driving illegal mercury production, and a spike has been seen in Mexico since the beginning of this year when traffickers paid an all-time high price per kilogram.

The EIA released a report on Thursday that stated, "According the traffickers, the gold miners demand for mercury drove the sophisticated operation. It made it profitable."

The investigation revealed that 200 tons were smuggled between April 2019 and 2025 from Mexico into Bolivia, Colombia, and Peru, resulting in an estimated $8 billion worth of illegal gold.

Officials in Peru did not discuss the role played by the EIA when the contaminated gravel was discovered from Mexico. Reporting by Marco Aquino and Daina Beth Solon in Lima; Additional reporting by Polina Devtt; Editing done by Les Adler

(source: Reuters)