Quartz is a non porous man-made stone that does not need to be sealed like granite or other natural stones in order to keep them from staining. It’s practically indestructible and pretty much maintenance free. The non-porous and non absorbing nature of quartz stone surface makes it very hygienic; it does not harbor bacteria, which makes it a safe choice for food preparation on the counter surfaces.Quartz Stone is a composite made-up of 93% quartz, 7% polyester resin and pigment. Quartz is becoming more and more desired due to the color selection, less movement and less maintenance. Quartz is a very hard material and will last the lifetime of your home.