What are these green "bump" things?

by Elisabeth
(Nashville, TN)

Can anyone help identify this sea glass? They are

Can anyone help identify this sea glass? They are "green bumps."

~ submitted by Elisabeth in  Nashville, Tennessee

Can anyone help identify this sea glass? They are "green bumps."

Now that I have found two of these green sea glass bumps (in Downeast Maine), I am very curious what they are!

I thought they might be kick-ups, but they are not hollow.

Elisabeth


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Comments for What are these green "bump" things?

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Nov 21, 2016
 Green Bumpy pieces
by: SeaglassAddict

I have found about 12 of these (all green) on beaches in the Caribbean.

I have always thought they are the inside of the bottom of a bottle.

For example, it may be the dome at the bottom of wine bottle, which has been worn down by the sea/sand.
Jul 29, 2012
 rivets
by: Anonymous

they are rivets from the bottom of champagne bottles.

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