Grape Agate

Discover a striking example of natural crystal growth with this grape agate specimen, known for its clusters of small, rounded formations that resemble a bunch of grapes. A variety of chalcedony quartz, grape agate is valued for its deep purple to lavender hues and its distinctive botryoidal growth pattern. Measuring approximately 2–3 inches long, each specimen is unique and offers a tangible way to explore mineral formation and quartz geology.

Why You’ll Love This

• Natural grape agate, a chalcedony variety of quartz with distinctive botryoidal crystal clusters
• Features purple to lavender hues with a naturally textured surface formed through slow silica crystallization
• Approximately 2–3 inches long, making it ideal for display or hands-on learning
• Demonstrates key geology concepts including chalcedony formation, botryoidal growth, and volcanic rock processes
• Each piece is one of a kind, with natural variation in color, shape, and crystal structure

This grape agate specimen highlights the beauty of quartz mineralogy while offering an engaging example of how crystals grow and aggregate in nature.