Related Clues:

• Analyze ore
• Analyze a metallic compound
• Critical step in analysis
• Determine the value of
• Judge the value of
• Analyze, as ore
• Judge the value of, as ore
• A miner test?
• Metallurgy test
• Prospector's test
• Test one's metal
• Severe trial
• Proof provider
• Evaluate, as ore
• Test for purity