mineral

Blue Lace Agate

Banded Chalcedony (Silica/Quartz), SiO₂

AI-generated identification · may be incorrect

Hardness: 6.5–7 on Mohs scale; Color: Light blue with white or light gray bands; Luster: Waxy to vitreous; Crystal structure: Trigonal/Microcrystalline; Cleavage: None; Specific gravity: 2.58–2.64

Hardness: 6
Color: Light blue with white or light gray bands
Luster: Waxy to vitreous

Identified June 25, 2026More mineral →

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Physical properties

Formation & geological history

Formed in cavities (vesicles) of volcanic rocks through the deposition of silica from groundwater over millions of years. This specific variety is primarily associated with the Kalahari region.

Uses & applications

Highly popular in jewelry including beads, pendants, and cabochons. Also used for ornamental carvings, tumble polishing, and as a 'healing stone' in metaphysical practices.

Geological facts

Blue Lace Agate was first discovered in Namibia, South Africa. It is known for its delicate, lace-like patterns which are actually layers of microscopic quartz crystals.

Field identification & locations

Identified by its distinctive pale blue color and alternating wavy bands of white and blue. Commonly found in Namibia and parts of South Africa. Collectors look for high contrast in the banding and a lack of brown surface staining.