News

A thumbnail collection proves that wonder does not need an entire shelf. Sometimes one perfect inch is enough to hold a mine, a country, and a geological story.

Flower agate seems to keep a pale garden beneath its surface. Learn what this modern trade name means and how silica, texture, and time create its blossoms.

In daylight, a mineral waits. Under ultraviolet light, hidden color wakes inside it. Here is the science behind fluorescent minerals and how to view them safely.

Ammonites carried their homes through ancient seas, adding one chamber after another as they grew. Millions of years later, their stone spirals still hold a map of vanished oceans.