This natural amethyst specimen displays the deep purple coloration characteristic of quartz colored by trace amounts of iron. Its crystal structure and vibrant hue make it a striking example of mineral formation.
Why You’ll Love This
- Mineral group: Quartz (SiO₂)
- Size: Approximately 2 inches tall, 3 inches long
- Purple crystalline surface with varying saturation from light lavender to deep violet
- Forms in geodes and cavities within volcanic rocks as silica-rich fluids crystallize over time
- Mohs hardness 7 with a vitreous luster
- Demonstrates crystal growth, trace element coloration, and quartz mineralogy
A compact and visually captivating specimen that offers a hands-on way to explore mineral science and crystal formation.