... competitive prices.♣ Granite, marble and quartz start as raw material, this is then processed in tumbling machines to ... it’s smooth finish and specific size requirements.♣ Color: white, black, green, red, yellow, pink, brown, etc.♣ Size range ... States, Canada, Japan, Europe, Australiapolished black basalt pebble unpolished black basalt pebble natural black basalt pebble Thanks for reading our product ...