Stone feels cold to the touch because of its high thermal inertia. Gemologists can use thermal inertia, as well as other thermal properties, for gemstone identification.

Why is Stone colder than wood?

Stone conducts heat at least 10 times better than wood - so it sucks the heat away from your hand. Because heat flows. In tile, which is a thermal conductor, the flow causes the heat from your skin to leave, making it feel cold.

Why is Stone colder than air?

Stone has what's called a high thermal conductivity, which is simply a fancypants way of saying that it allows heat to flow through it quickly. ... The sense of coolness that you feel happens because the heat is flowing out of your body and through the stone.