Grape Agate 3 inch Cluster Indonesia

Description

Origin & Quality
This beautiful 3-inch grape agate cluster was discovered in the Mamuju area of Sulawesi, Indonesia, the only known locality for this unique mineral. Classified as A-grade for its rich lavender-purple color, strong luster, and clean spherical formation, this piece showcases the best characteristics of grape agate.

Geological Background: Grape Agate
Despite its name, grape agate is not a true agate but a botryoidal form of chalcedony — a microcrystalline variety of quartz. It forms when silica-rich solutions deposit in vesicles, slowly crystallizing into rounded aggregates that resemble clusters of grapes. These clusters can exhibit purple, lavender, green, or even blue tones, depending on trace mineral content.

Color & Structure

• Color: Deep to medium violet-purple with occasional translucence under bright light.

• Texture: Smooth, rounded “grape-like” nodules create a natural 3D sculptural form.

• Size: Approximately 3 inches wide — perfect for display cases or collection trays.

Collector Appeal

• Locality Significance: Grape agate is exclusive to Indonesia, making high-quality specimens increasingly collectible.

• Aesthetic Quality: A-grade pieces with vibrant color and intact nodules are sought after by both mineral and metaphysical collectors.

• Educational Value: Excellent teaching example for botryoidal mineral formation and chalcedony structure.

Metaphysical Notes
Grape agate is believed to promote inner stability, calm, and spiritual growth. Its rounded, clustered shape symbolizes unity and collective harmony, making it a favorite for meditation or energy work.

Care & Display

• Handle gently — nodules can be delicate.

• Avoid prolonged exposure to direct sunlight to preserve color vibrancy.

• Display under LED or natural light to enhance translucence and luster.