Georgia Contract Quartz comes with a brown slab that comes with a tiny grains that adds elegance and texture to your home. Quartz stones do not require high maintenance but proper care and maintenance should be given to the engineered stone to look striking. Whether it is an engineered stone or a natural stone, they all need the investment of your time and attention to maintain their durability and shine.Permanent stains can occur when coffee, tea, or wine is spilt so the surface must be quickly cleaned to avoid any risk of damaging the countertop in the future.