Linked from
The 22 pages that link to Sulfide mineral, each with the reason it gives.
Froth flotationRelated: Many commercially important sulfide ores are concentrated by flotation.
SulfideBroader topic: Sulfide minerals are major sources of copper, lead, zinc, and other metals.
GalenaNarrower topic: Galena belongs to this mineral class because sulfur is bonded to lead.
Copper smeltingRelated: Most copper smelting treats sulfide minerals whose sulfur must be removed.