Vitrain coal
Vitrain coal occupies a special place in coal petrology and the coal industry. Recognized by its bright, glassy appearance and distinctive banding within coal seams, vitrain is a lithotype that…
Clarain-rich coal
Clarain-rich coal is a specific lithotype of banded coal that combines distinctive petrographic features with important industrial properties. This article reviews what clarain is, where such coals are found and…
Vitrinite-rich coking coal
Vitrinite-rich coking coal is a specialized category of coal that plays a central role in the production of metallurgical coke and, by extension, in global **steel** manufacture. Characterized by a…
Coal with high inertinite content
Coal characterized by a high content of inertinite macerals represents a distinct and economically important subset of the world’s coals. These coals carry a record of past environmental conditions, pose…
Coal with high vitrinite content
Coal with high vitrinite content represents a distinct and economically important category of coal whose physical and chemical characteristics influence its use across power generation, metallurgical processes, chemical conversion and…
