A break in the acetabulumâthe socket located on each side of the pelvisâis less common than other types of pelvic or hip fractures. It usually occurs as the result of a car accident or fall from a significant height, with damage to other bones and soft structures in and around the hip and pelvis.
The first and most basic characteristic of all minerals is that they occur naturally. Minerals are not made or influenced by human activity. However, some minerals, such as diamonds, can be manufactured by humans.
Minerals have a definite chemical composition. Each one is made of a particular mix of chemical elements. Minerals have an ordered atomic arrangement. The chemical elements that make up each mineral are arranged in a particular way - this is why minerals 'grow' as crystals.