Cassiterite
Tin oxide mineral
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.
From Wikipedia, under CC BY-SA. More on occurri.
Tin oxide mineral
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.
From Wikipedia, under CC BY-SA. More on occurri.