Tin Ore (Cassiterite)
Tin Ore (Cassiterite) Tin Ore (Cassiterite) 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 was the chief tin ore throughout ancient history and remains the most important source of tin today. SKU: Cassiterite Tin …