... you need; 5.High quality White Pebble:1.Nature white pebble Stone2.Polished white pebble;3.River white pebble;4.size as you ... cm,6-9 cm,8-12 cm;Color: black, red, white, pink, yellow, green, grey, multicolorBigger size: can be made ... , home decoration material, hotel decoration materials, garden decoration materials;Chemical analysis:Analysis Project Signed dataHydrochloric acid soluble rate0.32%Acid ...