sedimentary

Pink Botswana Agate

Silicon Dioxide (SiO₂), a cryptocrystalline variety of Quartz and Chalcedony

AI-generated identification · may be incorrect

Hardness: 6.5–7 (Mohs scale); Color: Pink, peach, grey, and cream bands; Luster: Waxy to vitreous; Crystal structure: Trigonal/Microcrystalline; Cleavage: None/Conchoidal fracture; Specific gravity: 2.60–2.65

Hardness: 6
Color: Pink, peach, grey, and cream bands
Luster: Waxy to vitreous

Identified March 24, 2026More sedimentary →

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Physical properties

Formation & geological history

Formed in volcanic rock cavities (vesicles) through the deposition of silica from groundwater. These specific specimens are typically found in the Bobonong district and are approximately 180 million years old.

Uses & applications

Predominantly used in jewelry making for cabochons like the one shown, as well as for decorative carvings, worry stones, and collecting.

Geological facts

Botswana Agates are often called 'The Sunset Stone' due to their warm hues. Historically, they were valued in Africa for protective properties and to ward off spiders.

Field identification & locations

Identify in the field by its distinctive parallel banding or 'eye' formations. It is primarily found in Botswana, Africa. For collectors, look for high band definition and a lack of surface-reaching fractures.