Classification Information
Granite; Quartz; Slate; Artificial stone; Gravestones; Marble; Silica stone; Statues of stone, concrete or marble; Stone slates; Tombstones of stone, concrete or marble
Nonmetallic Building MaterialsGranite; Quartz; Slate; Artificial stone; Gravestones; Marble; Silica stone; Statues of stone, concrete or marble; Stone slates; Tombstones of stone, concrete or marble
Nonmetallic Building Materials