The contrast between the color of turquoise and the color of matrix {or mother rock} enhances the beauty of each stone. Many mines produce distinctive stones whose origin can be identified by an experienced person. Enhanced turquoise: The Zachery or Foutz process impregnates turquoise with vaporized quartz.
Depending on the temperature and humidity of the air, you should keep vehicles off the new surface for 48 to 72 hours. You may walk on your driveway within 24 hours. After walking across fresh seal coat, please check the bottom of your shoes, or remove shoes before entering into your home.
When you do seal the driveway, use a high-quality coal-tar based sealer. These typically should be applied every 3 to 5 years. The driveway should be sealed when either the original black asphalt has worn off the stones or the subsequent coat of sealer has worn off revealing the actual pieces of stone aggregate.