Lavender Sea Glass

Manganese-decolourised glass

Markings and exact colorations may vary.

Clear glass that turned pale purple after decades of sunlight — a genuine age marker.

Typical size
0.25–1.5 in
How often it turns up
Rare
Collecting
Usually legal to collect

Sea glass is discarded material and is free to collect on public beaches. Leave modern broken glass for a bin, not a pocket.

Handling
Safe to handle

How to tell it apart

  • Soft lilac to pale amethyst tint
  • Frosted, often thick
  • Colour deepens in bright light

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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