1. An even milder abrasive is rottenstone , sold in hardware stores. 2. Rottenstone is an abrasive sold in paint and hardware stores.3. Fossils within the rottenstone beds include brachiopods and corals. 4. The oil is simply a lubricant, to keep the rottenstone from scratching . 3. 5. If that was not enough, he would use tripoli ( rottenstone ) and lead. 6. If that doesn't work, try this : Buy some rottenstone in a hardware or paint store. 7. Put any kind of oil on the stain, and sprinkle rottenstone on the oil until it becomes wet with the oil. 8. The "'Gray Sandstone Group "'is a late Silurian quartzitic sandstones and mudstones, sandy rottenstones are found at outcrop. 9. There is enough abrasive material in the toothpaste ( Colgate is best for this purpose ) and the rottenstone to take off the very top of the finish. 10. If not, buy rottenstone in a paint store, wet the stain with any kind of oil, sprinkle rottenstone on the oil and rub with your hands.
