When it comes to crystals, uniformity is the name of the game. A good crystal has a consistent structure, shaped by the repeating pattern of its atoms. But that doesn’t mean there wasn’t plenty of ...

Going back through time, cultures around the world—from ancient Sumer to Indus Valley, China, and South America—have believed crystals could evoke a kind of sorcery, conjure change, and heal disease.

Crystals might look simple, but their growth tells a far more complex and fascinating story. From grains of salt to diamonds, crystals form when particles lock into repeating patterns. For many years, ...