Jewels of the sea

The latest in my water-themed photo series – taken from the pier on the Isle of Lismore, as we waited …

Ardnamurchan’s volcano

There can't be many places in the UK where you can drive through the magma chamber of an extinct volcano...

Herkimer diamonds

Prized for their clarity, these double-pointed crystals have some fascinating bubbles trapped inside!

Carnelian

Ranging from pale yellow to deep orange-red, this semi-precious stone was a popular choice in Victorian jewellery

Amethyst

Did I ever tell you that I love rocks? How did you guess? I'm taking a closer …