How much value do large chunks of crystal clear obsidian rocks carry?

The value of large chunks of crystal clear obsidian can vary significantly based on factors such as size, quality, and market demand. Typically, high-quality obsidian can range from $1 to $20 per pound, with exceptional specimens potentially fetching higher prices among collectors and in specialized markets. However, the overall value is influenced by its rarity and aesthetic appeal, making some pieces worth much more. Always consult with a gemologist or mineral expert for precise evaluations.