[3] The stone was mostly quarried in the Lower Gornal area.
[4] At the peak of the quarrying, almost all buildings in the Sedgley manor (which also included the villages of Coseley, Woodsetton and Ettingshall) were built from Gornal stone, and numerous examples of the recognisable yellow rock remain, including several churches, houses and numerous old walls.
It was almost 100% Silica (silicon dioxide) and had a high melting point.
[2] When ground into sand and mixed with fire clay it formed a refractory coating widely used in the steel industry to the west of Birmingham.
This sandstone contained some of the earliest known Hemicyclaspis murchisoni fossils.