دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. a naturally occurring inorganic crystalline element or compound with a definite chemical composition and characteristic physical properties such as crystal shape. melting point, colour. and hardness. Most minerals found in rocks are not pure. 2. broadly. a naturally occurring homogeneous substance that is obtained from the ground for human use (e.g.. stone. coal. salt, sulphur. sand. petroleum. water. natural gas).

a compound of generally known composition and structure involving naturally occurring silica-based formulations. Minerals are natural compounds formed by geologic processes.