I purchased a used coffee table that I'm looking to refinish. I want to get a really dark close to black stain on it. I sanded a small spot at the underside until I hit the bare wood. I applied a regular oil based stain from Minwax that's as black as I could find and It's no where close to the finish I'm looking for. I tried leaving the stain on for a longer period of time with no luck. I'm not sure what type of wood it is but it appears to be real hardwood and it was stained a dark walnut color originally. Is there a different product I need to be looking into? How do furniture manufacturers get that really dark finish that's so common these days?