【Badakhshan, 】Afghanistan Mining: Dark Blue Semi Precious Stone & Gold
Editor’s NoteThis article examines the enduring significance of Afghanistan’s mineral wealth, focusing on the historic lapis lazuli mines of…
Lapis Lazuli
Science Popularization | Besides Sapphire, What Other Gemstones Can Be Called ‘Classic Blue’?
Editor’s NoteThis article explores the enduring appeal of sapphire, connecting its classic blue hue to themes of calm, confidence, and spiritual…