mineral

Blue Lace Agate

Chalcedony (SiO2) with trace minerals

Hardness: 6.5-7 (Mohs scale), Color: Sky blue with white or darker blue bands, Luster: Vitreous to waxy, Crystal Structure: Trigonal (microcrystalline), Cleavage: None, Specific Gravity: 2.58-2.64

Hardness: 6

Identified April 21, 2026More mineral →

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Physical properties

Hardness: 6.5-7 (Mohs scale), Color: Sky blue with white or darker blue bands, Luster: Vitreous to waxy, Crystal Structure: Trigonal (microcrystalline), Cleavage: None, Specific Gravity: 2.58-2.64

Formation & geological history

Formed through the deposition of silica from groundwater in the cavities of igneous rocks, specifically volcanic lavas. The unique banding is caused by rhythmic crystallization process. Most renowned deposits are from the Kalahari Desert in Namibia.

Uses & applications

Primarily used as a gemstone in jewelry (cabochons, beads, and carvings), ornamental decor, and highly valued by mineral collectors for its soothing aesthetic.

Geological facts

Blue Lace Agate was first discovered in South Africa in the early 1960s. It is considered a relatively rare variety of agate compared to more common moss or fortification agates. It is often associated with calmness and communication in metaphysical circles.

Field identification & locations

Identify in the field by its distinct narrow, wavy bands of light blue and white. It is most commonly found in Namibia. Look for a waxy luster and high hardness that cannot be scratched by a steel knife.

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