Amethyst is a purple variety of quartz colored by trace amounts of iron. These crystals range from pale lavender to deep violet, depending on the conditions in which they formed. Each specimen offers a hands-on way to explore mineral formation, crystal growth, and the factors that influence color in natural minerals.

Why You’ll Love This

• Composed of silicon dioxide with trace iron impurities that create its signature purple hues
• Transparent to translucent crystals with natural hexagonal structures and terminations
• Forms in geodes and volcanic rock cavities, demonstrating real-world mineral growth processes
• Hardness of 7 on the Mohs scale with a durable, glassy finish
• Excellent for studying crystal chemistry and mineral color variation

A scientifically fascinating and visually captivating specimen that connects you to the processes shaping Earth’s minerals.