materials Article Production of Greener High-Strength Concrete Using Russian Quartz Sandstone Mine Waste Aggregates Aleksandr Tolstoy 1, Valery Lesovik 1,2, Roman Fediuk 3,*, Mugahed Amran 4,5,*, Murali Gunasekaran 6, Nikolai Vatin 7 and Yuriy Vasilev 8 1 Department of Building Materials Science, Products and Structures, …Web