Volcanic Rock lg viatera quartz is ideal for kitchen countertops, bathroom vanities, bar tops, accent walls and more. Volcanic Rock may not be in stock in some locations. Availability changes often but many stones can be ordered. Please confirm with your salesperson for material details. We welcome you to visit our California Tile & Granite showroom at 9891 Horn Road, Sacramento to learn more or call (916) 363-6489 to learn more.