Cornflower Blue Sea Glass
Cobalt-tinted glass
Markings and exact colorations may vary.
A softer blue than cobalt, from Bromo-Seltzer, Milk of Magnesia and old poison bottles.
- Typical size
- 0.25–1 in
- How often it turns up
- Rare
- Collecting
- Usually legal to collect
- Handling
- Safe to handle
Sea glass is discarded material and is free to collect on public beaches. Leave modern broken glass for a bin, not a pocket.
How to tell it apart
- Medium periwinkle blue, lighter than cobalt
- Frosted, usually small
- Often shows bottle curvature
Found one?
Photograph it and BeachNut ranks the likely matches with a confidence read, then logs it to your collection with the beach and date.
Browsing beaches and the full field guide is free. A free account logs unlimited finds and gives you three photo identifications a day.
More sea glass in the field guide
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