pipestone

Pipestone refers to a type of catlinite, a soft, reddish-brown sedimentary rock. It is primarily composed of clay minerals and is known for its unique workability, making it ideal for carving. The name "pipestone" originates from its historical use by Indigenous peoples of North America, particularly the Plains tribes, for crafting smoking pipes. These pipes, often called calumets, held deep spiritual and ceremonial significance.

The most famous source of pipestone is the Pipestone National Monument in Minnesota, a sacred site for many Indigenous cultures. Other deposits are found in various locations across the United States and Canada. The extraction and use of pipestone are often governed by traditional practices and agreements, recognizing its cultural importance.

Historically, the acquisition of pipestone involved extensive trade networks. The rock's vibrant color and ease of carving made it a valuable commodity. Today, while some traditional carving continues, the rock is also appreciated for its aesthetic qualities in decorative items and art. Conservation efforts are in place at sites like the Pipestone National Monument to preserve the geological and cultural heritage associated with this unique stone.