Minerals
Gracen Kelleyにより

1. Properties
1.1. Luster
1.1.1. Brillant
1.1.2. Glassy
1.1.3. Dull
1.2. Color
1.3. Transparency
1.3.1. Translucent
1.3.2. Transparent
1.3.3. Opaque
1.4. Crystal shape
1.4.1. Cube
1.4.2. Octahedron
1.4.3. rhombohedron
1.4.4. Tetrahedron
1.5. Hardness
1.6. size
1.7. Light reflection
2. Rocks
2.1. Types
2.1.1. sedimentary
2.1.2. Metamorphic
2.1.3. Igneous
2.2. How each type is formed
2.2.1. Sedimentary
2.2.1.1. Dead Organisms, Shells and rocks
2.2.2. Igneous
2.2.2.1. Cooling Magma
2.2.3. Metamorphic
2.2.3.1. High temperature/Pressure
2.3. Examples of each type
2.3.1. Sedimentary
2.3.1.1. Coal
2.3.2. Igneous
2.3.2.1. Kimberlite
2.3.3. Metamorphic
2.3.3.1. Marble