Slate is a rock that consists mostly of mica and quartz. This rock is split into thin sheets for flooring. Slate is a popular flooring option for bathrooms, entryways and basements. Slate flooring has a nice smooth texture and is a very hard surface . This increases its durability and versatility. Slate is stain and moisture resistant. Slate is less expensive than granite and marble but can have the same look. The smooth texture and very hard surface makes slate make slate a slippery surface and an unpleasant floor to fall on. The same hard surface that gives the floor long lasting durability is not a forgiving surface for falls and requires a non slip solution to address this safety concern.