mineral

Crazy Lace Agate

Chalcedony (SiO2)

AI-generated identification · may be incorrect

Hardness: 6.5-7 on the Mohs scale. Color: Predominantly yellow, orange, brown, gray, and white with intricate banding patterns. Luster: Vitreous to waxy. Crystal structure: Cryptocrystalline (microcrystalline quartz). Cleavage: None. Specific gravity: 2.58-2.64.

Hardness: 6
Luster: Vitreous to waxy

Identified June 17, 2026More mineral →

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Physical properties

Formation & geological history

Formed in cavities of volcanic rocks through the deposition of silica-rich fluids over long periods. Crazy Lace Agate is specifically known from the state of Chihuahua, Mexico, often associated with the Cretaceous period.

Uses & applications

Primarily used as a gemstone in jewelry, often cut into cabochons. Also popular among lapidary artists and collectors for ornamental objects.

Geological facts

Known as the 'Laughter Stone' or 'Happy Lace', it is believed in metaphysical circles to bring joy and absorb emotional pain. Its complex, swirling patterns are highly distinct and make it a favorite among agate collectors.

Field identification & locations

Identified by its distinctive, intricate, and often chaotic banding patterns with earthy tones. Most commonly sourced from Chihuahua, Mexico. Collectors look for pieces with interesting, well-defined patterns and vibrant colors.