Rocksday

Oolite

Limestone made of tiny round grains that look like fish eggs.

Oolite specimen
Photo: Wilson44691, Public domain, via Wikimedia Commons

How to identify oolite

  • Packed with sand-sized spheres.
  • Creamy color.
  • Fizzes in acid.

Often confused with

Where it's found

  • Bath, England
  • The Bahamas
  • Portland, England

Uses

Building stone.

Rock tumbling

Not suitable for tumbling.

Did you know?

The city of Bath is built of honey-colored Jurassic oolite.

Think you could spot it from a blurry close-up?

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