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Table of Contents:
- Minerals
- Native elements
- Sulfides and arsenides
- Oxides and hydroxides
- Halides
- Carbonates
- Nitrates and borates
- Sulfates and chromates
- Tungstates and molybdates
- Phosphates, arsenates, and vanadates
- Silicates
- Rocks
- Igneous rocks
- Metamorphic rocks
- Sedimentary rocks
- Meteorites and tektites
- Fossils
- Sponges
- Corals
- Mollusks
- Arthropods
- Brachiopods
- Bryozoans
- Echinoderms
- Graptolites
- Vertebrates
- Fossil land plants
- Geological timescale.