"We want the world to understand that if it's done right, coltan can be good for this country."

There are maybe 5 factories in the world that can process coltan.

He had spent all the money he'd earned digging coltan.

But they had stopped coming in May, when the price of coltan began to fizzle.

Colombian coltan is tied to violence at every step of the process.

Many countries export their raw coltan to China for further processing.

She told me she doesn't understand what "rich white people" do with coltan.

When progress is being made, it often involves the mixed blessing of coltan.

But he still owned the land, which he had long known was rich in coltan.

"For local people who are trying to make a bit of money out of coltan, how can an embargo possibly help?"

For them, the only thing worse than mining coltan is not mining it.

A significant reserve of coltan was discovered in 2009 in western Venezuela.

One problem is the continuing theft of mineral resources, such as coltan, by occupying forces.

He gave up digging gold two months earlier, he said, to come into the forest in search of coltan.

"In the evening, when you finish digging, you have to pay them back with coltan.

I can see the author's name but I cannot see the word coltan anywhere in the article.

All three countries named by the United Nations as smugglers of coltan have denied being involved.

The one thing that unites the warring parties, according to the report, is a keen interest in making money off coltan.

The Coltan story seemed clear when I flew to Congo early this summer.

You think Coltan and tantalum are somehow different?

In many cases these wars are fought over resources like opium, coca, diamonds, oil and coltan.

Democratic Republic of Congo is a major source of coltan.

After driving the truck with the coltan into the ocean, it's revealed that Cameron kept a bar of the metal without the others' knowledge.

When the price of coltan was soaring, Mama Doudou made an absolute killing.

His 2007 short film Gravesend depicted the process of Coltan refinement and production.