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Tin mining - Wikipedia

Tin mining began early in the Bronze Age, as bronze is a copper-tin alloy. Tin is a relatively rare .... In 2007, the People's Republic of China was the largest producer of tin, where the tin deposits are concentrated in the southeast Yunnan tin belt, with ... Further supplies may possibly come from the DRC, Nigeria and Rwanda.

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Cassiterite - Wikipedia

Cassiterite is a tin oxide mineral, SnO2. It is generally opaque, but it is translucent in thin crystals. Its luster and multiple crystal faces produce a desirable gem. Cassiterite has been the chief tin ore throughout ancient history and remains ... Hydraulic mining methods are used to concentrate mined ore, a process which relies...

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