Post #449

🌍 Greenland’s cryolite mine once supplied nearly all the world’s cryolite, a rare mineral essential for aluminum production before synthetics. When the mine closed in 1987, natural cryolite was nearly gone. ✨ #mining⚡#resources⚡#Greenland⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels ​