Purple‎ & Green Blue Vibrant Slag Glass Specimen Obsidian-Like Swirl 214g

This stunning hand-sized specimen features dramatic swirls of deep purple and translucent teal green. Often called "slag glass" or "furnace glass," this piece is likely a byproduct of industrial glassmaking or metal refining. A beautiful addition to a crystal collection, metaphysical display, or as a unique decor piece. Use: Display, metaphysical, lapidary, cabbing, photography props, or decor