3:59

Beach Stones: Quartz (Tutorial)

15:16

How to identify pebbles and tell their stories

28:30

Amazing geodes found here in the UK

1:00:44

The geology of the chalk and the potential impact of HS2

9:56

The Beach Rocks! Part 1: Overview

7:38

Geological Origins - Cornish Mineral Heritage

33:25

Learn Rock Identification with Two Geologists

29:52

Towers of the North: The Brochs of Iron Age Scotland (3000 BC - 200 AD)