The Rylstone area is rich in natural mineral resources including coal, it is located on the western coalfield which extends from near Lithgow to Rylstone. Rylstone is an undeveloped coal resource and one of the last to be exploited. Charbon Coal Mine is a working mine approximately 10 km to the south of Rylstone. Large reserves of coal are known to exist, which is mostly thermal coal suitable for local coal-fired power stations. The NSW Minerals Department states that this resource will be allocated for developed in the short-term future.