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.
Mineral Properties. A mineral is a naturally-occurring, inorganic solid which possesses a characteristic internal atomic structure and a definite chemical composition.If we take the definition of a mineral term by term, it becomes easier to understand:Substances that have these features will also have distinctive physical properties such as color, crystal form, cleavage, luster, streak, etc. You can find out more about minerals by clicking on the buttons on the right.f we take the definition of a mineral term by term, it becomes easier to understand: Substances that have these features will also have distinctive physical properties such as color, crystal form, cleavage, luster, streak, etc. You can find out more about minerals by clicking on the buttons on the right.