Chinese River Pebble,Natural Pebble 1) Pebble Color:Red,black,yellow,white,colorful 2) Pebble Size:1-3cm,3- ... 5cm Chinese River Pebble,Pebble Stone,Natural Pebble1. material ... quartz2.size:Available in all specifications as your require3.color:White,black,red,yellow,multicolor,striped.ect4.design:Up to your ideas ...