Blue flame of anthracite

"Firm, heavy, saturated-black, shining metal gloss". The person uninitiated, having heard similar epithets, will think that it is a question of a jewel. And not too will be mistaken. The word ANTHRACITE occurs from Latin anthracites (coal). The most ancient of fossil coals, anthracite by right deserved a rank of the best, but the extremely rare grade "a combustible stone". Volumes of this look make only 3% of universal stocks of coal. The anthracite history about which company tells PUBLIC JOINT-STOCK COMPANY "MECHEL" in the corporate blog, began hundreds millions years ago when in crust occurred...