by Gelogia | Nov 4, 2024 | Mineralogy
Chemical Equilibrium: When the rates of forward and reverse reactions are equal, the concentration of the reactants and products remains constant. This stage is called chemical equilibrium. Characteristics of Chemical Equilibrium: Constancy of concentration Can...
by Gelogia | Nov 1, 2024 | Mineralogy
Thermodynamics focuses on the interactions between heat, work, and temperature, exploring how these elements connect to energy, entropy, and the physical characteristics of matter and radiation. These interactions are defined by three fundamental laws of...
by Gelogia | Oct 30, 2024 | Mineralogy, Structural Geology
Lineation: Lineation is expressed by the parallelism of some directional property in the rock. Types of lineation: Lineation is found to develop in igneous, sedimentary, and metamorphic rocks. Lineation is of two types: primary lineation (sedimentary rocks, igneous...
by Gelogia | Oct 14, 2024 | Mineralogy
Silicates: Silicates are compounds containing silicon as an anion. The most common silicates are oxides, but hexafluoro silicates and other anions are also included. Silicate minerals contain (SiO4)4- in their structure. Silicates form the largest class of mineral...
by Gelogia | Oct 9, 2024 | Crystallography & Mineral Optics, Mineralogy
Crystal twinning is the symmetrical intergrowth of two or more crystals, related by a symmetry operation known as a twin element. Twin elements can include mirror planes, rotation axes (typically two-fold), and rotation inversion, which are distinct from the natural...
by Gelogia | Oct 7, 2024 | Crystallography & Mineral Optics, Mineralogy
Crystal symmetry refers to the regular arrangement of faces, edges, and other structural features in a crystal. This regularity constitutes the crystal’s symmetry. The degree of symmetry varies in different minerals and is employed in the classification of...
