Sorosilikaatit

Sorosilikaatit is a mineral group within the silicates, characterized by their specific crystal structure and chemical composition. These minerals are composed of silicon and oxygen, forming a framework of interconnected tetrahedra, with additional elements like aluminum, iron, magnesium, and calcium often present. The term "sorosilicate" itself refers to the presence of double tetrahedra, known as disilicate groups, in their structure. These disilicate groups, often represented as Si2O7, are a defining feature that distinguishes sorosilicates from other silicate mineral classes like nesosilicates (single tetrahedra) or cyclosilicates (ring structures).

The geological formation of sorosilicates typically occurs in environments involving high temperatures and pressures, often found in igneous and metamorphic rocks. Their physical properties can vary significantly depending on the specific elements incorporated into their structure, influencing factors such as color, hardness, and density. Examples of well-known sorosilicate minerals include epidote, zoisite, and hemimorphite. These minerals have diverse applications, ranging from gemstones and decorative materials to industrial uses in ceramics and metallurgy. Their study is crucial for understanding geological processes and the formation of various rock types.