Impacts of Illegal Crystal Mining in Brazil

Illegal crystal and mineral extraction in Brazil has become one of the country’s most serious environmental challenges, especially in regions of the Amazon and protected ecosystems. Studies and environmental reports indicate that illegal mining operations are directly linked to deforestation, river contamination, soil erosion, and the destruction of native habitats. According to research highlighted by the University of São Paulo (USP), illegal mining-related deforestation in the Amazon increased dramatically in recent years, while rivers and aquatic ecosystems continue to suffer from sedimentation and toxic contamination. (Jornal da USP)

Beyond deforestation, illegal extraction activities frequently operate without environmental oversight, recovery plans, or ecological responsibility. Toxic substances such as mercury — commonly associated with illegal mining processes — contaminate rivers, groundwater, wildlife, and nearby communities, creating long-term environmental and public health consequences. Research conducted in the Amanã River basin between Amazonas and Pará revealed significant reductions in native vegetation and water bodies, alongside a major expansion of illegal mining activity over the last decade.

The environmental impact is also deeply connected to social and humanitarian issues. Illegal mining often affects indigenous territories and vulnerable communities, generating water insecurity, biodiversity loss, unsafe labor conditions, and irreversible ecosystem degradation. Environmental organizations and academic institutions continue to emphasize the importance of responsible sourcing, legal extraction practices, environmental licensing, and transparent supply chains as essential measures to preserve natural resources and protect future generations. (mapadeconflitos.ensp.fiocruz.br)