MackDigger
Hero Member
- Joined
- Mar 9, 2013
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- Primary Interest:
- All Treasure Hunting

That particular form of corrosion/oxidation, resembling scattered snowflakes on dirt, indicates the metal is zinc (or a zinc-&-lead alloy), which is lighter than lead and more brittle. (I notice that one end of your unidentified object looks like it broke off from a larger object.)
i have yet again been amazed by you cannonball..recognizing zinc by the shape of the oxidation...