Related Clues:

• Clothes line?
• Miners' strike
• Miner's discovery
• Streak, as in marble
• It's found in veins
• Gift of the Magi
• Mined find
• Prominent vein
• It might be found in a rush
• Tram cargo
• Danish coin
• Galena or cinnabar
• Galena, for one
• Tailor's meeting place?
• Homonym of 2-Down