![round cut cassiterite from Bolivia](https://www.patrickvoillot.com/wp-content/uploads/2021/03/cassiterite-taille-ronde-bolivie219.png)
cassiterite
Its name comes from the Greek “kassiterôs”, tin, or the name of the islands “Cassiterides” that produced this tin ore in antiquity, very likely islands very close to present-day Spain that would have given their name to this tin mineral, cassiterite. It is the principal