Marble - floor tiles
Quarts - watches
Basalt - concrete / asphalt
Biotite Gneiss - gravestones
Slate - chalkboards
Sandstone - outdoor furniture / columns
Apatite - fertilizer
Fluorite - glass / enamel
Granite - monuments / bridges
Breccia -tiles
Scoria - barbeque grills
Conglomerate - ornamental stone (fake concrete)
hope that helps in some way :)
