For those who are not aware, mineral wool is a fibrous material, the components of which are flexible and thin glassy fibers. Mineral wool of rocks is made, namely: basalt, diabase, amphibolytes, and from industrial waste (shale coke, domestic slag and ceramic battle).For those who are not aware, mineral wool is a fibrous material, the components of which are flexible and thin glassy fibers. Mineral wool of rocks is made, namely: basalt, diabase, amphibolytes, and from industrial waste (shale coke, domestic slag and ceramic battle).