Aluminum can be found throughout the earth's crust, but it is most commonly extracted from bauxite ore. Because it is so soft in its pure form, most aluminum used for commercial purposes consists of alloys made from refi... More »

Aluminum is made from a clay-like soil called bauxite. This is a raw material found around the Earth's equator. The bauxite is mined from below ground and then washed. The cleaned bauxite then passes through a grinder. N... More »

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Aluminum is not a mineral. Aluminum is a chemical element with the atomic number 13. It makes up eight percent of the weight of Earth's solid surface and is the third most abundant element, after oxygen and silicon, to b... More »

Sodium is extremely abundant, composing about 3 percent of the Earth's crust, but it is never found in its pure form as sodium metal. This is because of its extreme reactivity, with exposure to air, water and many other ... More »

Silicates are the most abundant group of minerals found in Earth's crust, according to Georgia State University. The most abundant elements in the Earth's crust are oxygen at 46.6 percent and silicon at 27.7 percent. The... More »

The layer on Earth with the most mass in the mantle, which is made up of silicate compounds, iron, silicon, magnesium, oxygen and aluminum. The mantle is a solid mass that generates heat reaching over 1,832 degrees Fahre... More »

The majority of freshwater on earth is found in frozen glaciers and ice caps. This frozen water accounts for 68.7 percent of earth's freshwater, with 30.1 percent found in groundwater. Only 1.2 percent of fresh water is ... More »