How to spot the difference between real Fire Agate and mislabelled Carnelian.

How to tell if you're buying real or mislabelled K2.

How to tell genuine Onyx from mislabelled Calcite.

How to distinguish between genuine Utah Tiffany Stone, and Chinese Opalised Fluorite.

A guide to identifying fake and genuine Malachite.

The difference between Blue Calcite and Celestite.

How to tell the difference between Selenite and Satin Spar.

What's the difference between heat treated Citrine (also known as heat treated Amethyst) and natural Citrine?

A quick guide to identifying the difference between Labradorite and Spectrolite.