Sea Glass Marble
Tumbled glass marble
Markings and exact colorations may vary.
A frosted glass marble worn round by the surf, often from ship ballast, old bottle stoppers or lost toys.
- Typical size
- 0.4–1 in
- How often it turns up
- Rare
- Collecting
- Check local rules
- Handling
- Safe to handle
Loose glass may be collectable where permitted; follow park and protected-area rules. Do not take from archaeological sites or wreck contexts. Dispose of sharp modern litter safely.
How to tell it apart
- Spherical, fully frosted
- Colour swirl often still visible inside
- Any size from 0.4 to 1 inch
Found one?
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More sea glass in the field guide
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