Minerals

1. Properties

1.1. Hardness

1.2. Transparent

1.3. Light reflection

1.4. Luster

1.5. acid

1.6. texture

1.7. dull

2. definition

2.1. Minerals are lava.is on the Earth's surface so it cools quickly compared to magma in Earth. As a result, rocks form quickly and mineral crystals are very small. Rhyolite is one type of rock that is formed when lava cools.

3. four examples

3.1. More than two-thousand minerals have been identified and most of these contain inorganic compounds formed by various combinations

3.2. A mineral occurring solid, liquid, or gaseous material, in or on the Earth’s crust

3.3. Minerals in general have been categorized into three classes’ fuel

3.4. coal oil nearly 87%of the value of mineral production

4. Rocks

4.1. how each type is formed

4.1.1. calcite is formed from the shells of dead marine organisms

4.1.2. orthoclase forms igneous rock

4.1.3. diamonds are formed at high temperature and pressure at depths of 140 to 190 kilometers

4.2. example of each type

4.2.1. Calcite is a very abundant mineral found in the Earth's crust

4.2.2. orthoclase Describe how color, luster, and streak are used to identify minerals.

4.2.3. diamond how the hardness of a mineral is measured.

4.3. three rock types

4.3.1. Calcite

4.3.2. orthoclase

4.3.3. diamond