Coal
Common

When dead plant matter decays over millions years, we get this useful energy source.

Lead
Uncommon

The heaviest of common metals, lead primarily is used in practical non-magical ways. Due to is poisonous nature, it also finds its way into various potions with nefarious purposes.

Granite
Common

A common stone, it is remarkably useful for consciousness-raising spells and items.

Flint
Common

A common stone excellent for making tools and starting fires.

Agate
Common

One of the oldest of healing stones, agate was used in ancient civilizations to bring warriors strength and make them victorious in battle.

Amethyst
Uncommon

A very neutral and reliable energy source, amethyst can be used in spells of stress relief and banishment of negative energy.

Quartz
Common

Clear quartz is used primarily as an amplifier of energy, hence being combined often with other stones or magic sources.

Anthracite
Uncommon

A version of coal that is extremely compressed and metallic, anthracite became a favorite of dark wizards and practicers of the black arts.

Limestone
Common

A sedimentary rock that is often composed of the skeletal fragments of marine organisms such as coral, foraminifera, and molluscs.

Pumice
Common

A light and volcanic rock that is useful in exfoliants, plant substrates, and oddly the purpose of cleaning up magical spills and disasters.