When you think about it, there are a lot more instances of haunted houses that have a carton of milk or orange juice in the refrigerator. Should we then assume that milk and orange juice have the potential to call out spirits? No. So why do so many people believe that limestone has special spirit producing properties?
Many in the paranormal community believe that limestone has the ability to absorb and release electromagnetic and psychic energies. They believe that limestone can record traumatic events from history and play them back. This would be a type a residual haunting.
Let’s take a look at the science. Limestone is a rock that is predominantly formed from the accumulation of organic remains (such as shells or coral). The rock is primarily composed of calcium carbonate, which is a type of calcium salt.