Rocks and Minerals
Pages:
- Extraterrestrial Rocks - list of extraterrestrial rocks, including components, colours, features, uses
- Gemstones - list of gemstones, including chemical composition, colours, Mohs' scale of hardness, type of crystals, uses
- Glossary - definitions of terms used for rocks
- Igneous Rocks - list of igneous rocks, including components, colours, type, grain and texture, uses
- Metamorphic Rocks - list of metamorphic rocks, including components, colours, type, grain and texture, uses
- Opaque Minerals - list of opaque minerals, including chemical composition, colours, Mohs' scale of hardness, type of crystals, uses
- Petrified Wood - the creation of petrified wood
- Sedimentary Rocks - list of sedimentary rocks, including components, colours, type, grain and texture, uses
- Transparent Minerals - list of transparent minerals (not listed in gemstones), including chemical composition, colours, Mohs' scale of hardness, type of crystals, uses.
See micro-photos of birthstones.
