1.quartz stone in dark brown 2.engineered quartz stone 3.ISO9001 4.pass CE,ASTM tests 5.other 29 choices in color 1. Ingredient of ENRICH engineered quartz stone: about 93% quartz, 7% other additives such as resin,detritus, mineral pigment etc. Most popular color: beige, white, black,( with fine speckles/grains, mirrors, glass etc.) 2. Most sell dimension for ENRICH quartz stone products: 1)- for ...