Mineral

Crazy Lace Agate

Agate (Banded Chalcedony) - SiO2

AI-generated identification · may be incorrect

Hardness: 6.5-7 on the Mohs scale, Color: complex banding in white, gray, cream, brown, and sometimes red or pink, Luster: Waxy to vitreous, Crystal structure: Cryptocrystalline, Cleavage: None (conchoidal fracture), Specific gravity: 2.58-2.64

Hardness: 6

Identified June 19, 2026More mineral →

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Physical properties

Formation & geological history

Formed in cavities within volcanic rocks or ancient lavas. Silica-rich waters percolate through the rock, depositing layers of chalcedony over millions of years. Often found in Mexico.

Uses & applications

Commonly used in lapidary arts for cabochons, beads, carvings, and polished display pieces due to its intricate patterns.

Geological facts

Known as the 'Laughter Stone' or 'Happy Lace' in metaphysical circles. It is almost exclusively found in the state of Chihuahua, Mexico.

Field identification & locations

Identified by its chaotic, swirling, lace-like banding patterns. Found primarily in Mexico. Collectors seek pieces with tight, complex patterns and distinct color contrast.