Colombia is facing growing concern over the illegal trafficking of Coltan, a highly valuable mineral often referred as “blue gold” or “mud oil.” This complex issue involves armed groups operating outside the law and intricate smuggling networks that primarily funnel the mineral-often under the guise of legality-into international markets, particularly China and other parts of Asia.
Coltan is prized for its high concentrations of tantalum, a mineral critical to the electronics and aerospace industries. It’s essential in the production of capacitors used in devices that demand high energy efficiency and thermal stability, such as drones and satellites.
Illegal Coltan mining is increasingly occurring in the Orinoquia region of Colombia — a remote area whose difficult terrain has enabled criminal networks to establish and maintain control over mineral deposits.
Smugglers and armed factions often use cover routes that pass-through neighboring countries such as Venezuela, Ecuador, and Brazil before the Coltan reaches international markets.
Illegal coltan trafficking is triggering devastating social and environmental consequences
The situation is deeply alarming. The well-known Amazonian jungles of Vichada and Guania have become the latest stage for a bloody new chapter in Colombia’s international armed conflict. On top of the social and environmental consequences, the struggle for control over coltan is now driving forced displacement in the region.
At the heart of this conflict are two-armed groups — the Second Marquetalia, led by Ivan Marquez, and the National Liberation Army (ELN). Both factions are battling for dominance over the extraction and trafficking of coltan, a mineral that has increasingly become part of the financial backbone for illegal armed operations in Colombia.
Beyond illegal mining and mineral trafficking, the region is experiencing severe social and environmental consequences.
This silent war over coltan not only jeopardizes Colombia’s fragile peace process but also threatens one of the planet’s most biodiverse ecosystems. These include widespread deforestation in forests that are vital for carbon storage and biodiversity, as well as river contamination caused by the use of toxic chemicals in the extraction process. Heavy sediment runoff is also disrupting aquatic ecosystems and threatening the health of local communities that depend on these rivers for drinking water, fishing, and agriculture.
Additionally, Afro-Colombian and Indigenous communities are facing displacement and pressure, with many being coerced or bribed by clandestine groups exploiting their economic vulnerability. It underscores how global demand for critical minerals, when left unchecked, can fuel violence, displace communities, and wreak havoc on the environment in some of the world’s most vulnerable regions.
The consequences of this crisis in Colombia unfortunately extend beyond environmental and social damage — they also reach into the political arena. As highlighted in a report published by Insight Crime, the illegal coltan trade is increasingly entangling regional politics, exposing corruption, and complicating efforts to restore state authority in remote territories. As cited by the Insight Crime Report, “Coltan mining operations are nothing more than an activity totally immersed in corruption. It’s purpose is the enrichment of military officers, politicians, financial backers, and technocrats.”
How much is coltan worth?
The value of coltan is staggering, especially in the black market. In an interview with Colombian news outlet RCN, conflict and drug trafficking expert Javier Soler emphasized the scale of the trade, “the price is extremely high. Coltan can sell for between US$200 and US$400 per kilogram on illegal markets. In the specific region we’re discussing, the price typically ranges from US$100 to US$200 per kilogram due to the high risks involved in handling, transporting, and the constant threat of seizure,” he stated.
According to the Colombian Attorney General’s Office, the price of Raw Coltan — the one sold on the black market — is worth up to 10 times more in international markets. It’s worth noting that prices will depend on its tantalum content.
Enforcement efforts, legal and regulatory measures taken in Colombia
Back in 2021, Colombia established the Counternarcotics and Transnational Threats Command (CONAT), a specialized military unit tasked with combating illegal activities, including unauthorized mining. CONAT’s Brigade Against Illegal Mining focuses on dismantling illicit mining operations, particularly in remote regions such as Vichada and Guania, where armed groups exploit mineral resources.
Despite Colombia’s efforts on this front, enforcement faces challenges due to corruption and limited state presence in remote areas of the country. Efforts to formalize artisanal and small-scale mining have been initiated, yet progress is hindered by bureaucratic obstacles under the influence of illegal armed groups.
The government has also attempted to overhaul the mining registry to prevent fraudulent licensing, a response to past incidents where individuals with criminal ties obtained mining rights.
On the international stage, Colombia collaborates with world partners to combat illegal mining and trafficking. The U.S., for example, has been an important ally to target transnational criminal networks involved in coltan smuggling. Despite these efforts, illegal coltan mining persists and keeps expanding driven by high global demand and the lucrative black market.
According to experts, comprehensive strategies that combine security measures with social and economic development need to be implemented to effectively combat illegal coltan trafficking in Colombia.

