The product is a lot of 5 to 7 oz of anthracite hard coal, sourced from the United States. This product falls under the category of collectibles and science & medicine, specifically in the mining industry. It is known for its high carbon content and durability, making it a valuable resource for various industries. The product can be used for educational purposes or as a decorative piece. These anthracite hard coal specimens are actually hard like rock with a variety of color shades and mineral inclusions. You will receive at least one decorative large (1.5"+) interesting shiny piece within your 5 to 7 oz package. All are excellent conversion pieces, whether displayed or shown on occasion.

Anthracite Hard Coal - 5 To 7 Oz Lots