Rock Identifier
Crazy Lace Agate (Agate (Chalcedony - SiO2)) — Mineral
Mineral

Crazy Lace Agate

Agate (Chalcedony - SiO2)

Hardness of 6.5-7 on the Mohs scale. Colors include red, orange, white, and gray in complex, swirling, lace-like banding patterns. Vitreous to waxy luster. Microcrystalline quartz structure.

Identified More mineral

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Physical properties

Hardness of 6.5-7 on the Mohs scale. Colors include red, orange, white, and gray in complex, swirling, lace-like banding patterns. Vitreous to waxy luster. Microcrystalline quartz structure.

Formation & geological history

Formed in cavities in volcanic rocks or ancient lavas. Silica-rich waters percolate through the rock, depositing microscopic quartz crystals in layers.

Uses & applications

Predominantly used in jewelry, as cabochons, beads, and carvings due to its intricate patterns. Popular among collectors and in lapidary arts.

Geological facts

Crazy Lace Agate is often called the 'Laughter Stone' or 'Happy Lace' in metaphysical circles. It is exclusively found in Chihuahua, Mexico.

Field identification & locations

Identified by its distinctive, chaotic, 'lacy' banding patterns. Collectors look for pieces with bold colors and intricate, well-defined lace formations. The piece shown in the image is a polished cabochon, cut into a teardrop shape and drilled for use as a pendant.