Sea Glass Marbles are a fairly rare type of sea glass. these are common glass marbles-- the kind that were popular as children's toys years ago-- that ended up getting thrown away, and they became sea glass.
A rare English rainbow sea glass gem found & photographed by my good friend Robert Fuller of the U. Rob finds the most amazing sea glass and is personally responsible for contributing to my sea glass addiction.
Finding purple sea glass most likely means you have found historic glass from the to the early All about the manganese used to make clear glass back then and how it reacts with sunlight.giving it a beautiful purple hue over many years