Identifications

Online mineral identification quiz. Test yourself on all minerals in this database or from a subset of your choice. Allows you to systematically reveal one physical property at a time, mimicking the mental process a geologist would go through to identify a mineral.





Chemical formulae

The hardest quiz here, involving matching a mineral name to a chemical formula from a randomly generated list.





Mohs' Scale of Hardness

Conversely, the easiest quiz here. The ten minerals on Mohs' scale of hardness are displayed along with numbers from one to ten.



Below are the tests currently in the system. Each of them will keep a cumulative score until you choose to reset them.