Linked from
The 8 pages that link to Cassiterite, each with the reason it gives.
TinRelated: Most tin production begins by extracting metal from this ore.
Placer miningRelated: Its high density and durability make it a common placer mineral.
GreisenBroader topic: Cassiterite is the main tin mineral found in many greisen deposits.
Tin miningRelated: Its concentration in deposits makes it the main target of tin mining.
Tin(IV) oxideRelated: Cassiterite is naturally occurring SnO₂ and the main mineral source of tin.