A project guide to rocks and minerals

Re-creating the rock cycle

A story told in sedimentary rock

A deposition message in a bottle

Instant weathering

The rocky sponge

Become a rock hound

Mineral detective test 1: Looking for clues

Mineral detective test 2: Hardness and streak

Mineral detective test 3: Specific gravity

Mineral detective test 4: Become a calcite sleuth

Minerals from the inside: Molecular crystals

Minerals from the inside: Crystal systems

Grow your own crystals

Grow your own salt crystal garden

Make your own geode.