A fishing magnet will not pick up most coins because the majority of coins are made from non-magnetic metals. Here's why:
1. Magnetic vs. Non-Magnetic Coins
🔹 Magnetic Coins – Some coins contain enough ferromagnetic metals (iron, nickel, or cobalt) to be attracted to a magnet. Examples include:
Old Canadian coins (pre-2000, containing nickel)
Some UK 1p and 2p coins (made before 1992, containing steel)
Certain steel coins used in other countries
🔹 Non-Magnetic Coins – Most modern coins are made of copper, aluminum, zinc, or silver, which are not magnetic. These include:
US pennies, nickels, dimes, and quarters
Euro coins
Most modern UK coins (except some steel-based ones)
2. Exceptions
Some coins might be partially attracted to a magnet if they contain small amounts of iron or nickel in their core.
If coins are inside a metal container (like a tin box), your fishing magnet could pull up the container along with the coins.
Conclusion
A fishing magnet is not effective for picking up most coins, but it may work for some older or steel-based coins. If your goal is treasure hunting, consider using a metal detector instead.
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