The other choices at $500/oz. for silver will be either gold, or copper. And gold might be $5000/oz,. or higher. And copper is not a viable alternative. See, I have a brick of copper weighing 33 pounds in my shop to make this point.
1 Signs and symptoms such as arm pain and discoloration in the affected hand often confirm the diagnosis. 2  Peripheral Neuropathy-This is caused when nerves in the arm become damaged, resulting in pain throughout the affected area.
Heart Attack. Upper arm muscle pain may be a symptom of a heart attack. The pain may be sudden and sharp although others describe it as a dull, aching pain. You might feel that the pain is from the arm muscles, but it may come from the joint or caused by irritation in the nerve endings.