Related Clues:

• Standard material?
• Winner's prize
• Medal material, maybe
• Midas' desire
• Profitable source
• Cause of a worldwide 19th century fever
• 'Au' element
• #1 honor
• Element #79
• Alchemy objective
• What some hearts are made of
• Gift from 1-Down
• Rush quest, often
• 50th wedding anniversary gift
• Principal supply