Cassiterite

SnO2, Tin

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 the most important source of tin today.


Tin concentrated

SnO2, Tin > 72%

Tin ore