1. Properties
1.1. Transparency
1.1.1. If you can see through it or not.
1.1.1.1. Opaque
1.1.1.1.1. You can't see through it at all, no light passes through it.
1.1.1.2. Translucent
1.1.1.2.1. You can kind of see through it, but not really, some light passes through it.
1.1.1.3. Transparent
1.1.1.3.1. You can see through it clearly, light passes through it.
1.2. Luster
1.2.1. Brilliant
1.2.1.1. Bright and radiant
1.2.2. Glassy
1.2.2.1. Having the properties of glass or resembling glass in a way
1.2.3. Dull
1.2.3.1. Not bright or radiant
1.3. Crystalline Shape
1.3.1. Octahedron
1.3.2. Dodecahedron
1.4. Size
1.4.1. How big or small it is.
1.5. Color
1.5.1. What color the mineral is like white, red, black, green, blue, or orange.
1.6. Volume
1.6.1. What it does to water when you drop it in
1.7. Mass
1.7.1. It's weight
2. Rocks
2.1. Types of rocks
2.1.1. Igneous
2.1.1.1. Made from cooling magma
2.1.1.1.1. The surface can be as smooth as glass
2.1.2. Sedimentary
2.1.2.1. Made from tiny pieces of rock sticking together
2.1.2.1.1. Some fossils can be found in these
2.1.3. Metamorphic
2.1.3.1. Made by high heat or high pressure
2.1.3.1.1. Their are usually small bands in these
2.2. Examples
2.2.1. Limestone
2.2.1.1. Sedimentary
2.2.2. Gabbro
2.2.2.1. Igneous
2.2.3. Granite
2.2.3.1. Igneous
2.2.4. Obsidian
2.2.4.1. Igneous
2.2.5. Sandstone
2.2.5.1. Sedimentary
3. Common Minerals
3.1. Fluorite
3.1.1. Mineral form of calcium fluoride
3.2. Gold
3.2.1. A chemical element that some say is naturally formed and is used to make jewelry
3.3. Quartz
3.3.1. It has oxygen tetrahedra in it which is SiO4 on the periodic table of elements
3.4. Silver
3.4.1. It is used to make money change, tableware, and jewelry
4. You can do tests to see what mineral it is
4.1. Acid
4.1.1. Squirt some acid onto the mineral and see if it fizzes or not.
4.2. Streak
4.2.1. Scratch a ceramic plate with the mineral and see if it makes a scratch
4.3. Hardness
4.3.1. Scrape a glass plates, a steel plate, a cooper penny, and your fingernail.
4.4. Luster
4.4.1. If it's shiny or not.
4.4.1.1. If it is shiny what kind of shiny; pearly, glassy, metalic, or dull.