Liam's Collection · Gems · Minerals · Fossils

Liam's
Field Guide

Liam's rocks, gems, and fossils — plus a wider mineral reference — organized the way a geologist actually identifies them. Switch between Minerals, Gems, and Fossils, search by name, and tap any specimen to learn what it is and what it's worth.

The Mohs Hardness Scale Tap a number to show minerals at that hardness