Geodes can include various crystals, including calcite, quartz, amethyst, or celestite. The way geodes form is why this heart-shaped crystal growth is so unusual. Image from Instagram. Lilac-colored, ...

Display cases line the walls, filled with crystals and minerals that would make a geologist swoon with delight. Massive amethyst geodes stand sentinel next to delicate formations of celestite, their ...

Deep within a remote private mine, a remarkable discovery recently captured the attention of all who encountered it. Miners, ...