What is the origin of my sea glass are they natural or man tumbled?
by John Takacs
(Brunswick, GA. USA)
Page by: John Takacs - Brunswick, GA. USA
Over ten years ago I find some flat, half round and round sea glass marbles in the Santa Barbara, California area.
Friend of mine she knows more about sea glass than I do and she has the impression that they may be machine tumbled and they were seeded.
I am not an expert in sea glass and I would like to use your expertise and have your opinions about the origin of these sea glass if they are are natural or man tumbled sea glass.
I saw some machine tumbled glass before but they had a very smooth surface frosting looked almost like sand blasting.
I studied the pitting of these sea glass under an X15 magnifying glass and I can tell that the pits are not uniform in size and dept, also some small sand particles are trapped in the pits and the small cracks of these sea glass marbles.
The colors of these sea glass marbles are Aqua, Cornflower Blue, Turquoise and Clear (Frosted White).
The size of half round marbles are around 5/8' (17mm) across and 1/4" (6mm) thick.
The size of the round marble is 5/8 (17mm) Across
Thank you so much for taking your time to help me out with identifying my sea glass.
Comments by Editor (David
For more about natural vs. tumbled sea glass, see:
From the history you give and the appearance of your sea glass, I am 99% positive it is natural sea glass.
For one thing, it is unlikely that anyone began imitating sea glass until the last few years, when it has become popular.
Then, why would they throw it out? Not logical.
Also, the appearance is exactly that of natural sea glass (as far as one can tell without actually seeing the glass).
You have some very, very nice pieces there and I don't think you need to worry about them. They almost positively authentic.
You provided a nice description and good photos.
Thank you! David and Lin @ OdysseySeaGlass.com
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