If a rock has the shape of a flattened oblate spheroid, then it is not a meteorite

Meteorites are not oblate

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If a rock does not have a fusion crust and has the shape of an oblate spheroid, as do most rocks found on beaches, then it is not is not a meteorite. Or, put more directly, if you found it on a beach, then it is not a meteorite.

Rocks with oblate shapes. An oblately shaped meteoroid is not aerodynamically stable and would be reshaped or broken apart during atmospheric entry.
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