Agates

For nearly 50 years, the violet color in Coyamito agates had no scientific explanation. A 2026 study finally answered it, and what they found changes how we understand agate color entirely.

Every agate started as a gas bubble trapped inside a volcano. Here's how 38 million years turned that into something you can hold in your hand.

Agates are not just beautiful stones, they are natural records of time. Formed slowly within ancient volcanic landscapes, each layer tells a story of Earth’s history written in color, banding, and crystal.

A focused presentation of Mexican agates—shared in person during the 2026 Tucson show season.

Finding a truly exceptional agate takes far more than luck. This article explores the hard work, uncertainty, and countless cuts behind discovering the rare pieces that stand out—and why most agates never reach that level.

Explore Mexican agates through real collector experience. Learn why Laguna, Coyamito, Moctezuma, and Loma Pinta agates are rare, how they form, and how collectors evaluate quality.

Agates aren’t just admired for their beauty — they’re studied, compared, and passionately debated by collectors around the world.

Mexican agates are known worldwide for their unmatched color, banding, and rare optical effects. Here’s what makes them some of the most collectible agates on Earth.

A simple guide to starting your agate collection without feeling overwhelmed. Learn what to look for, how to choose quality stones, and why Mexican agates are a perfect place to begin.

Discover why Coyamito and Laguna agates from northern Mexico are considered the finest in the world, prized for their vivid colors, rare patterns, and unmatched beauty.