Directions to Onyx Coffee Lab Directions to Onyx Coffee Lab Search | Advanced Search | New Members | Coupons and Discounts | All Categories Shopping & Specialty Retail >> Restaurants & Coffee Shops Onyx Coffee Lab 100 East EmmaSpringdale, AR 72764 | map (479) 334-7613 Visit Site Get directions to: Onyx Coffee Lab, 100 East Emma, Springdale AR Get directions from: Click to Print This Page If your business isn't here, contact us today to get listed!