The Cempaka mine is one of the largest diamond mines in Indonesia and in the world.
[1] The mine is located in South Kalimantan, Borneo.
[1] The mine has estimated reserves of 32.9 million carats of diamonds.
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The hundreds hoping for fortune at Indonesia's largest diamond mine http://mashable.com/2015/11/09/campaka-indonesia-diamond-mine/#5XrLagnkdEqk