Bitofact on Instagram: "3000 meters beneath Earth’s surface lies something wild—the Black Diamond Layer. It’s a deep geological zone where extreme heat and pressure turn carbon into ultra-dense, dark crystalline formations. These “black diamonds” aren’t the sparkly gems you see in jewelry—they’re tougher, darker, and formed under conditions no human could survive. It’s one of the most mysterious layers scientists drill into… and every sample pulled up tells a story billions of years old. Vis @mi