Minerals

1. are found in

1.1. Rocks

1.1.1. Igneous

1.1.1.1. Cooling of magma

1.1.1.2. Examples

1.1.1.2.1. Obsidian

1.1.1.2.2. Gabbro

1.1.2. Metamorphic

1.1.2.1. high heat and pressure

1.1.2.2. Examples

1.1.2.2.1. Gneiss

1.1.2.2.2. Phyllite

1.1.3. Sedimentary

1.1.3.1. dead plants under layers of sediments compacted into rock

1.1.3.2. Examples

1.1.3.2.1. Coal

1.1.3.2.2. Limestone

2. examples

2.1. Diamond

2.2. Ruby

2.3. Emerald

2.4. Topaz

3. Properties

3.1. Size

3.1.1. How big is the mineral

3.2. Color

3.2.1. What color is the mineral

3.3. Transparency

3.3.1. How well you can see through the mineral

3.4. Luster

3.4.1. How shiny the mineral is.

3.5. Shape

3.5.1. What is the Shape of the crystal

3.6. Hardness

3.6.1. How hard the mineral is to glass and copper

3.7. Light reflection

3.7.1. Can you see double of single image

4. Definition

4.1. Formed naturally and used by humans.