Heathermoor Slate is a type of natural stone from the United States. The pricing of Heathermoor Slate can vary depending on factors such as quality, size, thickness, and supplier. Generally, natural slate tends to be more expensive than other types of stone due to its durability and unique aesthetic appeal. However, without specific pricing information, it is difficult to determine if Heathermoor Slate is specifically expensive. It is recommended to consult with local stone suppliers or retailers to get accurate pricing for Heathermoor Slate in your area.