Quartzite will not etch or scratch. If you have quartzite that is etched and scratched, it may actually be marble. This article explains the difference so that you can tell what countertop material you truly have.
Home and business owners and property managers have a common complaint about grout turning yellow. Read this article to learn about possible causes and solutions.
Removing graffiti on stone, tile, brick, or masonry? Put the pressure washer away. It can be problematic and/or ineffective. Read this article for guidance.