Rock Identifier
Crazy Lace Agate (SiO2 (Microcrystalline Quartz / Chalcedony)) — gemstone
gemstone

Crazy Lace Agate

SiO2 (Microcrystalline Quartz / Chalcedony)

Hardness of 6.5 to 7 on the Mohs scale, exhibits complex and intricate patterned bands with circular, swirled, or eye-like formations in shades of white, gray, orange, yellow, and red. Luster is waxy to vitreous. Cryptocrystalline structure.

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Physical properties

Hardness of 6.5 to 7 on the Mohs scale, exhibits complex and intricate patterned bands with circular, swirled, or eye-like formations in shades of white, gray, orange, yellow, and red. Luster is waxy to vitreous. Cryptocrystalline structure.

Formation & geological history

Formed within cavities of volcanic and metamorphic rocks through the deposition of silica-rich groundwater solutions over millions of years.

Uses & applications

Widely used in lapidary arts for making cabochons, beads, ornamental carvings, and jewelry.

Geological facts

Known as the 'Laughter Stone' or 'Happy Lace' due to its uplifting, energetic, and complex lace-like patterns. Most notable commercial deposits are found exclusively within the mountainous areas of Chihuahua, Mexico.

Field identification & locations

Easily identified by its distinct, multi-colored chaotic swirling patterns and eyes. Found primarily in Chihuahua, Mexico. Collectors prize intricate web-like patterns.