Feldspar. Feldspar is the most common mineral on Earth. Since it is most commonly found in granite, this mineral is used mostly as a building material. Feldspar: Characteristics of the two types of feldspar.uartz (silica) is the most abundant mineral on earth. It is the name for a large family of rocks including the jaspers, agates, onyxes and flints. Quartz is used in concrete, glass, scientific instruments and watches.
You are here. Definition of Vascular Surgery. Vascular surgery encompasses the diagnosis and comprehensive, longitudinal management of disorders of the arterial, venous, and lymphatic systems, exclusive of the intracranial and coronary arteries.
By Jose Vega MD, PhD. Updated January 26, 2016. Vascular neurology, in layman's terms, is the treatment of strokes. Stroke is a disease that affects the arteries leading to and within the brain. A stroke occurs when a blood vessel carrying oxygen to the brain is either blocked by a clot or bursts. Part of the brain cannot get the blood (and oxygen) it needs, so it and brain cells die.