Composition: Tin oxide
Nomenclature: Named after the Greek word "kassiteros" which means "tin."
Industrial Uses: Major ore of tin.
Additional Notes: Twining is very common in cassiterite, forming elbow-shaped crystals. Also referred to as "wood tin."
Uganda : Scott 602 : 10 shilling : 18 Jan 1988
Cassiterite
Zaire : Scott 1107 : 3 zaire : 13 Feb 1983
Cassiterite