Related Clues:

• Bauxite, to aluminum
• Lead from a mountain?
• Glitz in a gown
• Pricey fabric
• It might hold gold
• Underground find
• Mineral quest
• Glitzy gown material
• Valuable find in the ground
• Useful mineral
• Good source of iron?
• Lorry lode, perhaps
• Blast furnace stuff
• Valuable stuff from down under
• It's S of Wash.