Explore the fascinating properties, uses, and locations of Earth's most remarkable minerals.
Explore the fascinating world of quartz, from its piezoelectric properties to its stunning crystal formations. Learn why this mineral is essential to both nature and technology.
Discover the rich history and science behind the world's most popular purple gemstone. From ancient myths of sobriety to modern geological understanding of its formation.
From Garnet in January to Topaz in November, discover the meaning, history, and science behind your birthstone. A complete guide to the gems that celebrate you.
Have you ever wondered why a diamond can scratch glass but a fingernail cannot? Learn about the Mohs scale, the standard used by geologists for over 200 years to test mineral hardness.
Turn into a mineral detective! Learn the step-by-step process geologists use to identify mystery stones using simple tests, including streak, hardness, and cleavage.