The crystal lattice of our Himalayan Pink Salt Blocks has a high specific energy (energy per unit of mass), so they hold any temperature you bring it to for a good while. Likewise, this makes for excellent heat distribution, making grandma's heavy old cast iron skillet seem like tinfoil by comparison.
Because Himalayan Salt Blocks generally have an extremely low amount of porosity, and virtually no residual moisture (.026%), the salt plates can be safely heated or chilled to great extremes. We have tested them from 0°F up to 700°F (-18°C to 370°C). Salt melts at 1473.4°F (800.8°C).