STONEQUARTZ collection comes in many sizes, indoor & outdoor with natural & grip R11 finishes. is a material that has become very widespread for use in paving outdoor areas over recent years. This rock style comprises mainly of quartz, but inside it there may also be other types of minerals present, and these, in different compositions also determine its color. For this reason, Quartzite does not have a uniform color and comes in a wide large range of different hues and color-shades.