Related Clues:

• Greasy-feeling mineral
• Contents of a lode-bearing wall?
• Source of gold
• After-bath powder, perhaps
• Powder for baby
• Valuable deposit
• Rock hound's find, perhaps
• Tram contents
• Underground asset
• Discovery in a seam
• Smeltery material
• Nickel source
• Mineral bearing rock
• Rash response?
• Baby powder component